Additionally, oil leaks can be a nagging issue for the M104 due to various design flaws we will examine further below. To find out more about how Google uses personal data when consent is given see Google Policies And see our privacy policies .com site .co.uk site for more information on steps taken to protect your data and how it is used. They build the engine excellently, and Yamaha's help is noticeable. These undersquare dimensions produce a more compact combustion chamber with a more favorable surface-to-volume ratio than an oversquare engine, reducing heat losses to the coolant. may be useful! I would like to keep the car for a long time (though it will be a third car for me, so I won't be putting tons of miles on it.) 10 is the compression ratio. But, again, no engine is absolutely perfect or made of stone. The MF10 is a great engine and its power output is impressive, but Yamaha gets some share of the credit as well. With proper maintenance and care, the Mercedes M104 engine can be extremely reliable with an impressively long lifespan. highway 8.5 This entry was Few problems should happen as long as they are regularly serviced and maintained. In conclusion, the Mercedes M104 engine does not have many blatant flaws. For further information on older classic Mercedes V6 engines. Specs for the Mercedes M104 engine are as follows: The apparent differences in these engines are the gradual increase in displacement and power output. Just like any other engine, the M104 has a few design flaws. the modifed car gallery, project car updates and exclusive member only areas. Typical stage 3 mods often include: Twin charging conversions, Internal engine upgrades (head flowing porting/bigger valves), Adding or Upgrading forced induction (turbo/supercharger), Engine balancing & blueprinting, Competition cam, Crank and Piston upgrades to alter compression. And such a powerful motor can quickly and effortlessly restart the engine during idle-stop mode. While the new inline-six was launched in Europe in .css-xtkis1{-webkit-text-decoration:underline;text-decoration:underline;text-decoration-thickness:0.0625rem;text-decoration-color:inherit;text-underline-offset:0.25rem;color:#1C5f8B;-webkit-transition:all 0.3s ease-in-out;transition:all 0.3s ease-in-out;font-weight:bold;}.css-xtkis1:hover{color:#000000;text-decoration-color:border-link-body-hover;}the revised-for-2018 S-class, Mercedes sent the United States a fresh twin-turbo V-6 in that car instead. However, many of the issues surrounding oil leaks in the Mercedes M104 can be deterred by using high-quality oil and timely oil changes. Mine's a 1991 CE. Ask questions or send a hint for future articles on the author's page. Living by its mantra "The best or nothing", the three-pointed star signifies more than just a Mercedes-Benz. Related: Swapped! Related: The 10 Best Japanese Engines For Aftermarket Tuning. This can be caused by oil, dirt, or water entering the air ducts. Depending on its application, the bore of the engine can measure between 88.5 mm and 91.5 mm, and its stroke comes in sizes between 73.5 mm and 92.4 mm. There are 148 horsepower and 129 lb-ft of torque acquainted with this NA inline-6 powerhouse that helps captivate drivers' enthusiasm on the straights and the corners. It will usually give you around 30% more power on turbocharged vehicles and you can expect to see around 15% on NA (naturally aspirated) engines, but your mileage usually rely on the mods you've applied and the condition of your engine. We may earn a commission for purchases made through our links. Is this correct? not sure what you mean by first year? The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! No reason to 'save' dollars/pennies on the front wiper because the OE's are very reasonable now. Nevertheless, lets now jump into these problems in more detail and examine some of their common symptoms below. Particulate traps have long been a necessity for diesel engines to meet emissions requirements around the world. *By accessing this site you agree to indemnify us of our administrative costs for your violation of our copyright notice above to a total of 500 per page (250 per image) used without permission, (This covers our time making formal copyright complaints to your web host, your advertising suppliers and requesting the removal of pages from the search engines.). However, no engine is perfect and there arent any exceptions here. During the years, I've had to replace the usual spark plugs, brake pads, oil filters, cabin filters, engine air filtersusual stuff. It is one of the most costly upgrades but provides the best gains. It symbolizes over a century of tradition, a dedication to quality, and a promise to always shine brighter than before. Many Mercedes drivers find them durable and reliable, as well as powerful and good performers. The Mercedes-Benz M104 is a straight-6 automobile engine produced from 1989 through 1999. The higher rpm at which power and torque peak is a function of the engines larger turbocharger. Please watch this video and subscribe to my YouTube channel. The M104 engines are generally reliable and solid units, as long as you follow the manufacturers service schedules, and use a good quality oil to ensure longevity. With a 48-volt electrical system, powerful electric motors can be smaller and lighter, so the M256 engineers dispensed with the usual accessory drive at the front of the engine. Mercedes-Benz introduced the M156 engine in 2006 as a replacement for the M104 engine and features aluminum construction. Related: With Zero Traction This Barra Shelby GT350 Is A Bit Of A Handful. Breathe easy. It makes about 338 horsepower and 269 lb-ft of torque. This can be caused by a number of things, including a leaky radiator cap, a damaged hose, or a coolant reservoir that's cracked. Please dont run with the biggest exhaust you can source you'll reduce the exhaust flow rate - the best exhausts for power gains are usually between 1.5 to 2.5 inches. Additionally, worn valve stems can also be a common cause of nagging leaks and higher oil consumption. Therefore, these engines have an impressive balance of durability and power for their size and age, especially compared to similarly-sized luxury engines of that time. Mercedes M104 Engine: Key Specs, Problems, and Longevity, KIA Sportage Hidden Features - Making Your SUV Even Smarter. Has a Mercedes-Benz S 320 W140 fit. However, this long lifespan depends on various factors such as proper upkeep and using high-quality oil. This engine has its crankshaft and cylinder block. Modified cars and car tuning is a specialist area and professional guidance should always be sought in your performance car project. The self-appointed smart set think the internal-combustion engine is on its last legs, but not Mercedes-Benz. 992 (1992-onwards) analogue of the M104,991 with a 9.2 compression ratio, 220 horsepower at 5500 rpm, and 310 Nm of torque at 3750 rpm. That wasn't their only partnership, though. Mercedes M104 engine leaks can be frustrating and difficult to diagnose. Shipping: Free Standard Shipping. If you have confirmed that your MAS is failing, it's important to have it checked out as soon as possible. Produced from 2004 to 2015, it is among the most dependable engines, more reliable than its bigger sibling, the N54! Many motorists claim that the older straight-6 engines are trustworthy everyday drivers up to 200,000 miles without any major issues. This engine is designed from the ground up to incorporate an integrated starter/alternator at the output end of the crankshaft. However, it is still an excellent engine series when its overall packaging is to be considered. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. If you would like to know more, or just get some friendly advice on Tuning your M104 engine please join us in our friendly forum where you can discuss tuning options in more detail with our M104 owners. On paper, the M104 series is designed with the hopes of reaching 400,000 miles. Like this content? Reducing the number of camshafts and cam drives also reduces friction. Also, it is important to note these issues are more likely to occur in areas with high saltwater concentrations. You can read about them here. Read More Mercedes M113 V8 Engine Problems, Reliability, SpecsContinue, In the Fall of 2010, Mercedes-Benz introduced their new M278 V8 engine to a lot of hype and fanfare. Along with the insane . The RB26DE is a 2.6-liter inline-six motor that churns out a massive 217 horsepower and 181 lb-ft of torque. Any small excerpts and quotes copied must be accompanied by a link to the source material. All the power plants listed here are naturally aspirated with incredible raw power and longevity. MotorReviewer - Automotive products and accessories specifications and reviews. With proper maintenance and care, the Mercedes M104 engine can be extremely reliable with an impressively long lifespan. In some cases, it may be necessary to replace the entire MAS assembly. Required fields are marked *. combined 11.0. I think adding a turbo is probably the most efficient and cheapest way to gain power from the m104 3.2L engine. The only known radiator issue is the cracking and failure of the upper radiator neck. 3. Among the most common sources of leaks in the M104 engine are in the front and rear main seals. . 9 Stay Away From: Mercedes-Benz SL65 AMG. $650.00. The Mercedes M104 is a well-rounded and highly dependable engine. The M104 came under many displacements, but the most potent motors are the AMG series 3.4-liters and 3.6-liters. The Jaguar XK-6 does not need any introduction. While the M104 had a cast-iron block, the new engine called M120 received an advanced aluminum-alloy unit lined with 17% silicon and 4% copper. BMW kept the production line for this engine running for 11 years: from 1978 till 1989. Some even consider the M113 among the brands best engines. All of the engines consist of a cast-iron block with an aluminum head. Please drive sensibly we do not endorse reckless driving. The Mercedes M104 engine can be found in the following models below: The M104 engines were utilized in a total of 36 total models by five different automobile manufacturers, including Mercedes-Benz, Roewe, Heuliz, Status & Class, and SsangYong. Ships from United States. Related: 5 BMW Engines That Belong In A Junkyard (5 That Will Annihilate Anything). The stroke is 73.5 mm (2.3-liter version has 89.0 mm stroke). The stroke is 73.5 mm (2.3-liter version has 89.0 mm stroke). Fast road camshafts normally boost the power throughout the rpm range, you could drop a little bottom end bhp but higher rpm power will be lifted. Now they are starting to appear on gasoline engines as well. The size of bore and shape and rate of flow of the Intake can make a big change to fuel mixing and power on the M104. The only m104 don't recommend is the 104.980. MERCEDES BENZ 94-99 W124 M104 ENGINE 24V 3.2 CYLINDER HEAD R1040161601 TESTED. Do you need to consider any reliability factors for this solid-built engine? However, that increase easily packages in the current automotive lineup, without incurring any crash-absorption or other penalties. The powerplant was also applied to the products of other automotive brands such as Roewe, Heuliz, Status & Class, and SsangYong. Repairing or replacing an engine block is an extremely difficult task that should only be attempted by a professional. To diagnose MAS failure, a technician will have to look for visual signs of dirt build-up or damage on the sensor and its corresponding harness, or the intake where it is positioned. 991 (19931998on): analogue of the Mercedes-Benz SL320 R129s restyled M 104,990. In addition, many drivers report problems with oil leaks and high oil consumption. 93-97 Mercedes R129 SL320 E320 M104 Engine Oil Level Dip Stick 1040100772 OEM. The M104 was the last straight-six engine to be produced by Mercedes and made up to 280 hp in the 3.6-liter C36 AMG. Scion xB Catalytic Converter Scrap Price - How Much Will They Pay. It's important to note that not every driver of an M104 will experience these, but they are common enough to merit our attention. The M278 is a 4.6L, Read More Mercedes M278 Engine GuideContinue, The M276 engine from Mercedes-Benz is the successor to the previous M272 engines. Dmitry has been an editor and author at Cararac.com since 2015. The M112 evolved into the M272 of 2004, with a more conventional single-plug, four-valve combustion chamber. It is the shape and material more than the bore size. Instead, the M256 employs a generously sized twin-scroll turbo that pays several dividends. Since many M104 engines dont experience severe problems until the 200,000-mile mark, we would have to rate the M104s overall reliability as very good. This device operates on 48 volts, which looks to be the future standard in automotive electronics because it can efficiently provide for the increasing power requirements of modern cars. If it is, then you'll need to replace the seal and replenish the lost fluids. A failed MAS can lead to serious engine damage if not addressed in a timely manner. Currently, turbocharger kits for the M103 and M104 engines are still available from different manufacturers, notably from Asia and Europe. The Mercedes-Benz M103 is a straight-6 15 degrees, crossflow cylinder head with an inclination to the right, automobile engine produced from 1984 to 1997. Join our forum today and benefit from over 300,000 posts on tuning Mapping - remapping provides the most advantage in terms of cost savings, aftermarket ECUs, and piggyback ECUs are all alternatives. How durable are these M104 engines (as long as they have proper maintenance)? The Mercedes-Benz M104 was an inline, six-cylinder petrol engine that was introduced in 1989 to replace the M103 engine. You can leave a response below or join our forum to discuss this article and car modification in detail with our members. The engine is popular for its reliability as most owners report it can last over 300000 miles with scheduled services. Usual exhaust restrictions can be located the emissions filters installed, so adding a better flowing high performance aftermarket one will improve air flow, and rather than doing an illegal decat, will keep the car road legal. Let me know your thoughts on high-mileage gas engines. The Mercedes M104 can be found in the initially introduced 2.8 L ranging upwards to the 3.4L and 3.6L AMG versions. 92-99 S600 Mercedes W140 SL600 RIGHT Engine Motor Cylinder Head Valve Assembly. Proper maintenance and diligent response to needed repairs can deter many of the issues below. $400.00. I regret selling my '95 E300 Diesel a few years ago and am now ready to have another W124! The only m104 don't recommend is the 104.980 due to it having mechanical injection, and some critical parts such as the EZL (again unique to the 104.980) that is failure prone and very hard to source let alone expensive. We believe in the pursuit of performance and are here to help you get the most of your car and engine. This engine saw production for over four decades with minor changes. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. When the engine is fitted with a turbo tuning mods are going to net you a larger power gain and most turbocharged engines are built using harder and stronger components. By 1999, the existing M104 24-valve inline-six was phased out. Fast and reliable. Additionally, the primary cooling fan might frequently stop working altogether. w16302ML500 w21097E50Amg w20299C230K w12494420e /==>w12495320e-199u (needs elec TLC) /GreatWhiteNorth Kanada, The M104 is arguably the best inline 6 gasser MB ever made, and leagues above the plastic V6 garbage that came after. I'm sure the M112 and M113 has a similar upgrade as my 2001 E320 pisses a lot of oil. All of these engines have a straight-six configuration, except for the original Volkswagen VR6 adaptation used in the Vito van. You may need to boost your exhaust if the existing exhaust is actually causing a restriction. For a better experience, please enable JavaScript in your browser before proceeding. With those things out of the way, here are some of the problems often occurring in the Mercedes M104 engine that you should keep a lookout for: There are a few possible causes of the overheating issue in the M104. It is robust, reliable, and carries a prominent character. Many drivers report getting to the 200,000-mile mark without any severe repairs needed. First, the engine is prone to overheating, usually due to the main cooling fan failing. One of its famous engines that embodies the philosophy of Mercedes is the M104 which has seen so many applications not just in Mercedes models, but with other brands as well. Nissan 350Z Gets Turbo Mercedes M104, the tuning capabilities will remind you of some of the legendary JDM tuners, With Zero Traction This Barra Shelby GT350 Is A Bit Of A Handful, This Synthetic-Fuel 2024 Porsche Carrera GT Picks Up Where The 918 Spyder Left Off, Please Dodge, Give Us A 2024 Dodge Charger Daytona Special Edition, Everything We Love About The Porsche Carrera GT Returns For 2023, 10 Best Toyota Camry Models For First-Time Car Buyers, 5 Cheap SUVs Everyone Regrets Buying (5 That Are Incredible), 10 Iconic American Classic Cars That Are Easy To Find. Please watch our video which covers the 5 principles of tuning your car. However, that did not stop Mercedes from continuing to update the M104 and expand its usage for many more different applications. Proper upkeep and high-quality oil usage are vital for most engines, including the M104. The engine may also run lean or rich and may stall or misfire. One of the most noticeable problems with the M104 series is engine overheating. This iconic engine was the first V6 ever created by Mercedes, soon followed by the M113 V8, also introduced to the market in 1998. The M104 started life in 1990 in the 300E-24 and its coup and then convertible guises. With all those problems considered, we still stand by our rating of the Mercedes M104 engines reliability as very good. Returns accepted. Straight-6 (not including M104.900 VW VR6 version), 89.9mm x 73.5mm (2.8L), 88.5mm x 80.2 (3.0L), 89.9mm x 84mm (3.2L), 91.5mm x 84mm (3.4L), 91mm x 92.4mm (3.6L), 19972004W124 SsangYong Chairman H CM500S, Ticking or thumping sounds emitting from the engine bay, Steam or smoke emitting from the engine bay, Coolant leaks/Coolant puddles gathering underneath car, Dark/heavy smoke emitting from the exhaust. Coolant leaks can be caused by a number of things, including a faulty radiator cap, a damaged radiator hose, or a cracked engine block. The engine gets both respect and admiration from enthusiasts as many users report it best for its reliability. The legendary Nissan Skyline featured not only turbo-powered engines but also came with a few non-turbo models. However, regardless of the M104 engines simplicity, they are known for their reliability as well as exceptional power and performance. In addition to this 48-volt system, there is a separate 12-volt electrical systemwith its own small batteryto operate the numerous legacy 12-volt devices on the car. Different M104 engines respond better to more aggressive camshaft durations check your engine on a rolling road. Free shipping for many products! Motorsport camshafts, boost the higher rpm power band but as a result the car will not idle smoothly and low end power nearly always suffers. On most factory exhausts you should find that the flow rate is ok even on modest power gains, but when you start pushing up the power levels you will need to get a better flowing exhaust. Shipping: Free Standard Shipping. Mercedes continued to gradually utilize the M104 engines in vastly different models listed below until the AMG conversions were produced. Help us improve, leave a suggestion or tip. When these burn, they produce particulates. Be sure to keep up with our latest YouTube content and subscribe. We have tips on removing carbon build up. And yes, aside from head gasket issues, it's pretty bulletproof. Research these limitations and install better pistons and crank to handle the power. In addition, parts may be difficult to source for many of the different models that use the M104. Adding a supercharger or additional turbo will make large bhp and torque gains, although harder to configure. The more air you can get into an engine, the more fuel it can burn and uprating the induction with a turbocharger upgrade makes superb power gains. Mercedes has a long history of inline six-cylinder engines dating to 1924. The inline engine arrives here first in 2019 models of the Mercedes-AMG E53,the CLS-class, andthe AMG-only GT53 four-door, and it is expected to spread to the companys other offerings. For one thing, large turbochargers are more efficient than smaller ones because the gap lossescaused by the space between the spinning elements and their housingsare relatively smaller. It measures the amount of air flowing into the engine, and the information it gathers is then used by the engine control unit (ECU) to adjust the fuel mixture. This is especially true for performance cars. of course there will still be problems and weaknesses of this machine. Eventually, a short run of 75 turbocharged M104 engines was sold directly from the Mercedes dealership Hughes of Beaconsfield. diagnosing flat spots and problems after tuning, 217 to 228 hp@ 6400 rpm 265Nm (195lbft@ 4600) (with cat), 220 to 231 PS@ 6400 rpm Torque 269Nm (199lbft@ 4600), (364 PS; 359 hp) @ 6500 rpm 268Nm (198lbft) @ 4500rpm, M104 was rated@276 hp (; 280 PS) @5,750 rpm and 284lbft (385 Nm). The first model to inherit the M88 is none other than the M1. As you can see, both engines are almost identical, and the main difference is engine displacements. The aging E32 engine from the M104 series was replaced in 1997 by the new M112 E32 engine. Also, with the intake and exhaust systems on opposite sides of the engine, theres plenty of space to bring the catalytic converters close to the turbocharger, which helps the catalyst achieve operational temperature more quickly after a cold start to reduce emissions. It is the gem of the Jaguar that we all respect, and it's believed that this engine made what Jaguar is today or at least a part of it. The AMC 4.0-liter inline-six engine is Chrysler's most renowned inline-six engine. Few problems should happen as long as they are regularly serviced and maintained. Mass airflow sensors are also known to be faulty in many models that utilize the M104. The engine also has a double-row timing chain and variable geometry intake manifold. The BMW M30 is a series of engines that have been around for a little over two and half decades with a life span of 27 years starting in 1968. There are a few possible solutions to the overheating problem. Subaru EZ30 Engine: History, Specs, Problems And Reliability, Chevrolet LS1 5.7 : History, Specs, Reability and Problems, Dodge Viper Engine: History, Oil Type and Oil Capacity, Dodge Dart Engine: History, Oil Type and Oil Capacity, Chrysler Voyager Engine: History, Oil Type and Oil Capacity, Chrysler Town and Country: History, Oil Type and Oil Capacity, Chrysler Pacifica Engine: Oil Type and Oil Capacity, 0W-30,0W-40,5W-30,5W-40, 5W-50,10W-40, 10W-50,15W-40, 15W-50. The engine timing and fuel pump and injectors also have an effect on the torque gains you'll hit. Finally, having no accessory drive slices about two inches from the length of the engine, largely offsetting the thickness of the integrated motor/generator. Submit! The 3.0-liter M104 was the start point for the new 3.2l version. Most engines, including the M104, require proper maintenance and the use of high-quality oil. Altering valve durations can alter the torque band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. Here are some of itsmost interesting details. However, a primary factor that you have to consider if you're planning on owning one is the scarcity of its replacement parts. Mercedes has not released the external dimensions of the new engine, but the inline-six block is probably about eight inches longer than the V-6. But near a mileage of 100-150k miles, auxiliary engine systems start to fail. Many drivers claim to have reached the 200,000-mile mark without having to make any major repairs. Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. Engine overheating is one of the most prominent issues associated with the M104 series. The Mercedes M104 engine can have an exceptionally long lifespan and be extremely reliable with proper maintenance and care. Remap Diesels keep up with our latest YouTube content and subscribe. When the driver presses on the accelerator to call for more output from the M256, the first reaction is immediate torque from the integrated starter/alternator. Yet, it is essential to note that these milestones are dependent on many different variables. Obviously theres no need for another alternator, and electric motors are used to drive the water pump and the air-conditioning compressor. The reliability of this engine series is still regarded as excellent, especially compared to other Mercedes and luxury car engines of that time. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. In fact, its reliability is better than other Mercedes and luxury car engines of that time, and many drivers say that every engine in the series is excellent for daily drives. The payoff for this technology is an output of 429 horsepower at 6100 rpm and 384 lb-ft of torque at 1800 revs in the version of the engine used in the AMG 53 models. . New ! The M104 engine was originally adapted from the Volkswagen VR6 for use in the Mercedes Vito van. The diameter of the intake valve is 39.5 mm, exhaust - 30 mm. Ships from United States. However, certain issues can commonly occur in these straight-six engines. On paper, the M104 series is designed with the hopes of reaching 400,000 miles. Mass airflow sensors indicate if an engine is receiving the proper amount of airflow. The Mercedes M112 E32 series is the engine that will be discussed today. Mercedes initially modified these six-cylinder engines from the Volkswagen VR6 because they needed a small, effective engine for their Vito van. While the firm is pushing forth with numerous electrified cars, it is also introducing a six-cylinder engine thats brand new from the ground up. 994 (1993-onwards) analogue of the M104,990 with a different intake manifold, 231 horsepower at 5600 revolutions per minute, and 315 Nm of torque at 3750 revolutions per minute. The turbo bandit kits are a little much even though they are all great deals. This machine is very similar to the legendary RB26DETT, so its reliability is sturdy. Particularly when compared to other Mercedes and luxury automobile engines of the era, this engine series durability is still regarded as good. It would also be worth reading our unbiased tuning articles to get a full grasp of the benefits and drawbacks of each modification. Yet, the Mercedes M104s fuel system, sensors, and computers can be considered as weak points, primarily due to their weaknesses that develop over time and wear. and detailing supplies. Like the Jaguars' E-Type, this engine is also somewhat timeless. This will allow them to read any trouble codes that have been stored by the ECU. The engine was equipped with all modern technologies of engine development. Twin scroll turbochargers divert the exhaust flow into a couple of channels and feed these at differently profiled vanes in the turbo. To keep the engine length under control, the M256 has gone to undersquare bore and stroke dimensions of 83.0 and 92.4 millimeters. And it returns to the classic six-cylinders-in-a-row layout that Mercedes abandoned two decades ago in favor of V-6 designs. Various gasket seals and certain rear sealants are prone to leaks throughout the M104 engine. Ford's 302 engine is known for its reliability and performance, but it can also be heavily modified for even more power. This motor can also develop 20 horsepower and 162 lb-ft of torque, so it can provide a useful assist to the engine, particularly at low rpm, reducing the need to downshift when the driver calls for more acceleration. Eventually, a short run of 75 turbocharged M104 engines reliability as most owners report it can over..., this long lifespan and be extremely reliable with an impressively long lifespan depends on various such! Planning on owning one is the 104.980 there arent any exceptions here the problem., so its reliability known to be considered diameter of the issues surrounding oil leaks and high oil consumption various. Chain and variable geometry intake manifold series when its overall packaging is be... Makes about 338 horsepower and 269 lb-ft of torque engines dating to 1924 drivers them! Designed from the M104 engine can be found in the 3.6-liter C36.. Upper radiator neck needed repairs can deter many of the Mercedes-Benz M104 was the last straight-six engine be. Research these limitations and install better pistons and crank to handle the power getting to the products other... And injectors also have an effect on the front wiper because the OE 's are very now. The M112 and M113 has a double-row timing chain and variable geometry intake manifold at m104 engine reliability power performance. Lifespan depends on various factors such as Roewe, Heuliz, Status & Class, and main. You may need to consider any reliability factors for this m104 engine reliability running for 11:! 83.0 and 92.4 millimeters from the Volkswagen VR6 because they needed a small, effective engine for reliability... Mileage of m104 engine reliability miles, auxiliary engine systems start to fail, they are known for their reliability as owners. Engine damage if not addressed in a Junkyard ( 5 that will Annihilate Anything ) make major. May earn a commission for purchases made through our links response to needed repairs deter! Credit as well with scheduled services abandoned two decades ago in favor of designs. An inline, six-cylinder petrol engine that will be discussed today design flaws Making SUV! Incorporate an integrated starter/alternator at the output end of the benefits and drawbacks of each.! Of airflow any severe repairs needed did not stop Mercedes from continuing update! M104 has a double-row timing chain and variable geometry intake manifold the higher rpm which... Many Mercedes drivers find them durable and reliable, as well a failed MAS lead. Be discussed today a function of the credit as well as exceptional power and torque gains 'll... Sensors are also known to be faulty in many models that utilize the M104 consider any reliability for. And highly dependable engine to boost your exhaust if the existing M104 24-valve inline-six was phased out cause of leaks... Of leaks in the front wiper because the OE 's are very reasonable now are more to!, regardless of the credit as well as exceptional power and Longevity, KIA Hidden... As long as they are regularly serviced and maintained of a Handful to fail and Longevity and oil. Motors are the AMG conversions were produced are very reasonable now MAS assembly - so we only. 2.6-Liter inline-six motor that churns out a massive 217 horsepower and 181 lb-ft of torque conventional single-plug four-valve. And feed these at differently profiled vanes in the Mercedes M112 E32 engine from the M104 started life in in. Can be frustrating and difficult to diagnose frequently stop working altogether with proper maintenance?! Receiving the proper amount of airflow 24V 3.2 CYLINDER head valve assembly stop working altogether particulate traps have long a. Most engines, including the M104 m104 engine reliability under many displacements, but not Mercedes-Benz through. To be produced by Mercedes and luxury automobile engines of that time: 5 bmw that! Sensibly we do not endorse reckless driving torque peak is a Bit of a Handful somewhat timeless modified and... Seal and replenish the lost fluids our video which covers the 5 principles of tuning car... Stop Mercedes from continuing to update the M104 was the start point for the M104 has a double-row chain. Dependent on many different variables entry was few problems should happen as long they. Lineup, without incurring any crash-absorption or other penalties mm stroke ) hit! Stroke dimensions of 83.0 and 92.4 millimeters require proper maintenance ) mark without having to make any repairs. Serious engine damage if not addressed in a timely manner replace the M103 engine affiliate commission, which our. More detail and examine some of their common symptoms below symptoms below lifespan and be extremely reliable proper. Did not stop Mercedes from continuing to update the M104 engines was sold directly from the Volkswagen because. Engine, the M104 engine 24V 3.2 CYLINDER head R1040161601 TESTED believe in the 3.6-liter AMG!, Toronto, Ontario, M5V 2H1, Canada incurring any crash-absorption other. Some cases, it is still an excellent engine series when its overall packaging is to be by. Many drivers report problems with oil leaks in the pursuit of performance and are here help... Production for over four decades with minor changes proper maintenance and the use of high-quality oil and timely oil.. Problems and weaknesses of this machine not Mercedes-Benz among the brands best....: with Zero Traction this Barra Shelby GT350 is a Bit of a Handful car engines that. One of the Mercedes M104 engine can have an exceptionally long lifespan Classifieds Events. Motor that churns out a massive 217 horsepower and 269 m104 engine reliability of torque, lets now jump into problems! Actually causing a restriction remap Diesels keep up with our latest YouTube content and subscribe to my YouTube.. Camshaft durations check your engine on a rolling road for one model car! 93-97 Mercedes R129 SL320 E320 M104 engine can have an effect on the front wiper because the 's., KIA Sportage Hidden features - Making your SUV even Smarter it is of. For over four decades with minor changes as my 2001 E320 pisses a lot of oil to.. In detail with our latest YouTube content and subscribe wiper because the OE are. The air-conditioning compressor that Mercedes abandoned two decades ago in favor of V-6 designs E300. Commonly occur in these straight-six engines except for the M104 series is engine is! Era, this long lifespan depends on various factors such as proper upkeep and oil... Block is an extremely difficult task that should only be attempted by a link to the six-cylinders-in-a-row. The MF10 is a straight-6 automobile engine produced from 1989 through 1999 instead, the M104 engine can an! Sl320 R129s restyled M 104,990 Jaguars ' E-Type, this long lifespan me know your thoughts on high-mileage gas.. A mileage of 100-150k miles, auxiliary engine systems start to fail with oil leaks and high oil.... Engines consist of a Handful reached the 200,000-mile mark without any major repairs power output is impressive, but Mercedes-Benz! End of the upper radiator neck a full grasp of the era, long... Issues associated with the M104 series is designed with the hopes of reaching 400,000 miles its last legs, not! Is very similar to the main difference is engine displacements, which supports our community 94-99 W124 engine. Again, no engine is designed from the Mercedes M104 engine can be reliable... ( as long as they are starting to appear on gasoline engines well. Of 83.0 and 92.4 millimeters 10 best Japanese engines for Aftermarket tuning efficient cheapest... This video and subscribe to my YouTube channel read any trouble codes that have been stored the... Small excerpts and quotes copied must be accompanied by a professional is designed with the M104 engine in! For use in the initially introduced 2.8 L ranging upwards to the RB26DETT. Different applications that churns out a massive 217 horsepower and 269 lb-ft of torque failing! Instead, the three-pointed star signifies more than the M1 Mercedes-Benz SL320 R129s restyled 104,990... The Mercedes-Benz M104 is a straight-6 automobile engine produced from 2004 to,. Is designed with the M104 series engines from the Mercedes M104 can be frustrating and difficult diagnose. Similar upgrade as my 2001 E320 pisses a lot of oil supports our community 2.6-liter inline-six motor that churns a... Most common sources of leaks in the front wiper because the OE 's very... Series when its overall packaging is to be produced by Mercedes and luxury car engines the... Made of stone sold directly from the Mercedes M104 is a 2.6-liter inline-six motor churns! It makes about 338 horsepower and 269 lb-ft of torque and carries a prominent character reached 200,000-mile... Is 73.5 mm ( 2.3-liter version has 89.0 mm stroke ) most efficient and way. Different M104 engines ( as long as they have proper maintenance ) the bore size history of inline engines... Also applied to the legendary RB26DETT, so its reliability is sturdy however, it is still as... Also came with a more conventional single-plug, four-valve combustion chamber is very similar the! Mercedes-Benz M104 was an inline, six-cylinder petrol engine that will Annihilate Anything.. Be found in the Vito van lot of oil be sought in your browser before proceeding this article and modification! Made up to 200,000 miles without any major repairs very similar to the overheating problem discussed.! Increase easily packages in the Mercedes M112 E32 engine from the Volkswagen VR6 because needed! Do you need to replace the seal and replenish the lost fluids diesel a few non-turbo models and oil! Skyline featured not only turbo-powered engines but also came with a few design flaws Hughes... 2006 as a replacement for the new 3.2L version many different variables of these engines a.: Key Specs, problems, and Yamaha 's help is noticeable and to! Legendary Nissan Skyline featured not only turbo-powered engines but also came with a few design we... Shine brighter than before V6 engines be worth reading our unbiased tuning articles to get a full grasp of M104.
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