m104 engine reliability

It is your responsibility to check and verify any tip advice or other articles content with a qualified mechanic before undertaking work or following instructions. Reducing the number of camshafts and cam drives also reduces friction. Don't forget to over specify your injectors flow rate. The M256 engines dimensions83.0-mm bore, 92.4-mm stroke, and 90.0 mm between bore centersessentially match those of Mercedes current 2.0-liter inline-four and 4.0-liter V-8 engines (thelast two have a 92.0-mm stroke). Thing is, call me stupid, but I once heard, that it produced up to 35kw (45hp) more than the 12 valve. When these burn, they produce particulates. It is one of the most reliable engines made by BMW, proving its significance even in today's era. The diameter of the intake valve is 39.5 mm, exhaust - 30 mm. Yet, it is essential to note that these milestones are dependent on many different variables. We see 4 bar air sensors coping with quite large power gains, whereas the OEM air sensor was restricting torque at a much lower level. We will also evaluate the M112's reliability and durability and offer insight into any potential upgrades . Finally, if the engine block is cracked, the hole will need to be sealed or replaced. It is the shape and material more than the bore size. To fix this, you'll need to replace the radiator cap and hose. 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. Like the Jaguars' E-Type, this engine is also somewhat timeless. And the smaller valve sizes inherent with the smaller bore dont matter so much with a turbocharger force-feeding air into the combustion chambers. The best wiper I've ever used was OE which are now very reasonable.probably because they're third-world made, but they work great. Regular oil changes are vital on the M104, especially when tuned and will help extend the life and reliability of the engine. That wasn't their only partnership, though. of course there will still be problems and weaknesses of this machine. Its available as a 4.3, 5.0, 5.4, and 5.4L supercharged engine. With proper maintenance and care, the Mercedes M104 engine can be extremely reliable with an impressively long lifespan. For another, a larger turbocharger flows better and creates less back pressure at high rpm, extending the engines powerband. Also, it is important to note these issues are more likely to occur in areas with high saltwater concentrations. The naturally aspirated straight six! 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. Nevertheless, lets now jump into these problems in more detail and examine some of their common symptoms below. However, it's always best to consult with a qualified Mercedes technician before attempting any repairs on your own. Mercedes-Benz Sedan / Coupe / Wagon Forums. Wiper blades are even questionable, at least for the front mono wiper. Some of our members have had issues with flat spots or glitches after applying mods and upgrades or tuning, this is not usually related to this engines design, so instead see our article on diagnosing flat spots and problems after tuning which should help you get the bottom of this issue. In this article, we will explore what makes the engine stand out and what are its drawbacks. Track day insurance cover Another common cause is a damaged or worn internal component. Instead, the M256 employs a generously sized twin-scroll turbo that pays several dividends. may be useful! However, it is still an excellent engine series when its overall packaging is to be considered. Saltwater specifically can cause much faster erosion. Mercedes makes some of the most fanatic cars on this planet and even crazier engines. The idea was to achieve design commonality between the V-6 and V-8 engines, reducing the cost of manufacturing. It would be an understatement to, Read More Best Formula 1 Cars Of The 2000sContinue. The two forces are collaborating once again to produce a 5.0-liter V8 engine that runs on Hydrogen. (In some cases, as the factory ECU is locked flashing is not an option, so an aftermarket ECU is the route to take, and many of these will outperform factory ECU's but make sure it has knock protection and that you get it setup properly.). Mercedes M256 Engine Reliability & Problems. Of course this new straight-six measures 3.0 liters, in keeping with the now standard 500-cubic-centimeters-per-cylinder displacement. I found a '94 E320 that is very promising; it has been owned by an enthusiast and has lots of recordsbut it has 250k miles. The longer stroke also produces less side thrust on the pistons, which reduces internal friction. With proper maintenance and care, the Mercedes M104 engine can be extremely reliable with an impressively long lifespan. Of course, the problems started right at the dealership, with an MSRP of $180,000. Thats because there is less time for the air and fuel to mixinjection occurs only during the compression stroke rather than spanning both the intake and compression strokesand this results in local pockets of rich mixture. The slight changes in its configuration over the years have resulted in its outputs peaking at 190 to 276 hp and 195 to 284 lb-ft of torque. 995 (19951997 onwards): 220 horsepower at 5500 revolutions per minute and 315 Nm of torque at 3850. The M278, and its V6 brother the M276, were the successors to the outgoing M272/3 engines. The bore spacing is identical to that of its predecessor, the M104, but it has a revised cylinder . Breathe easy. MPG calculator Additionally, these engines become highly fragile in frigid or freezing temperatures. Meanwhile, its compression ratio lies between 9.2:1 and 10.5:1 for its standard Benz and high-performance AMG models. Ask questions or send a hint for future articles on the author's page. It was designed on the basis of the 3.2-liter engine. This can be caused by some things, including wear and tear, improper installation, or an oil change that wasn't done correctly. To avoid this problem, the AMG version of the M256 has an electrically driven supercharger to provide boost before the turbo spools up. Turbocharger kits were available for both the M103 and M104 from various aftermarket manufacturers, further boosting power. Ships from United States. For further information on older classic Mercedes V6 engines, check out our previous guide on the M112 V6. And it returns to the classic six-cylinders-in-a-row layout that Mercedes abandoned two decades ago in favor of V-6 designs. However, regardless of the M104 engines simplicity, they are known for their reliability as well as exceptional power and performance. Finally, the other common sources of oil leaks should be assessed, like oil filter housing, oil cooler lines, or even the engine itself. The M104 started life in 1990 in the 300E-24 and its coup and then convertible guises. The self-appointed smart set think the internal-combustion engine is on its last legs, but not Mercedes-Benz. This machine is very similar to the legendary RB26DETT, so its reliability is sturdy. No reason to 'save' dollars/pennies on the front wiper because the OE's are very reasonable now. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. However, due to the variety of causes for oil leaks, its crucial to identify the main cause and repair these issues quickly before more severe engine damage occurs. Consequently, it is easy to see why many enthusiasts still view the M104 as one of the iconic classic engines from Mercedes. Mercedes continued to gradually utilize the M104 engines in vastly different models listed below until the AMG conversions were produced. The most common symptom is a loss of power. Mine was overhauled at 420k kms after its second head gasket failure. The big stuff were just the battery, water pump, and alternator. The first model to inherit the M88 is none other than the M1. Head work - The goals of porting and flowing the head are to get air flowing into the engine while removing flow restrictions and turbulence. 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. Mercedes M104 E320 Engine: History, Specs, Modifications, Problems And Reliability August 11, 2022 July 16, 2022 by Cantika Hello everyone, this time we're going to talk about the Mercedes M104 E320 series, an in-line 6-cylinder engine with 3.2 liters of displacement. The M104 is respected as one of Mercedes most reliable engines ever produced. Related: The 10 Best Japanese Engines For Aftermarket Tuning. Upgrades to turbochargers and superchargers - forced induction is the most efficient approach to increase air supply, allowing you to burn more fuel and make more power. The most common is the contamination of the sensor by elements. Also, the tuning potential of this motor is very high, keeping the name of the RB26 name intact. And yes, aside from head gasket issues, it's pretty bulletproof. The N52B30 is a 3.0-liter inline six-cylinder powerhouse that churns out anywhere between 218 horsepower to 272 horsepower and 199 to 232 lb-ft of torque, depending on the tune. The M104 piss oil from the rear engine seal sooner than a M119, but not as bad as a M112 and m113. 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. Furthermore, symptoms of Mercedes M104 oil leaks can include: The M104 engine series had a great lifespan due to its exceptional reliability and balance of power and performance capabilities. In some cases, it may be necessary to replace the entire MAS assembly. Oil leaks. So, look after it with regular, good quality oil changes. 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. Eventually, a short run of 75 turbocharged M104 engines was sold directly from the Mercedes dealership Hughes of Beaconsfield. The 3.6-liter inline-six cylinder generates 276 horsepower and 284 lb-ft of torque. Modifications Mercedes continued producing the M104 series for a decade until its succession by the M112 in 1999. Scion xB Catalytic Converter Scrap Price - How Much Will They Pay. Chip Tuning Additionally, the primary cooling fan might frequently stop working altogether. The budget is such that it is better to replace the engine in large blocks with a more powerful one, since it will require revision / replacement of almost the entire connecting rod-piston group, shafts, cylinders. M112 E32 3.2l Engine Problems and Reliability 1. Another possible cause of overheating is a failing water pump. . There are a few possible solutions to the overheating problem. 10 is the compression ratio. This entry was The intake and exhaust durations will alter depending on the chosen cam profile, so large torque gains are on offer for cam upgrades. Join our forum today and benefit from over 300,000 posts on tuning Horizon 5 tuning. Also, keep in mind that these issues are more likely to occur due to lack of maintenance, bad driving habits, procrastinating even when signs of problems are already evident, or exposure to areas with harsh environmental conditions. 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. However, that didn't stop Mercedes from continuing to update and improve the engine, expanding its usage for many more different applications. And as a nod to the electrification trend, it also incorporates an electric motor/generator for electrically assisted propulsion. Nine Things You Must Know about the New Mercedes Inline-Six, 2024 Porsche Cayenne Gives You More of Everything, the now standard 500-cubic-centimeters-per-cylinder displacement, Why 0.5-Liter Cylinders Will Soon Dominate Automotive Engine Design, First Drive: 2019 Mercedes-AMG CLS53 and Mercedes-Benz CLS450, 2019 Mercedes-AMG GT 4-Door: The More-Door AMG, Your Privacy Choices: Opt Out of Sale/Targeted Ads. This will allow them to read any trouble codes that have been stored by the ECU. While you can still get your hands on a 2005-2008 . Finally, water pumps and serpentine belts also may eventually need complete replacement to deter any other causes for overheating issues. Fast and reliable. But, the best part is that it has smooth and subtle power delivery across the rev range, even smoother than we expect from a NA engine. The Mercedes M256 engine is a turbocharged straight-six cylinder engine that succeeded the M276 V6 engine. Various different culprits can cause these oil leaks and high oil consumption. Many drivers claim to have reached the 200,000-mile mark without having to make any major repairs. The Fora platform includes forum software by XenForo. The issues about it are fairly few and repairable at their onset. Yet that can be a narrow-minded perspective considering the versatility of different engines throughout the manufacturers history. It would also be worth reading our unbiased tuning articles to get a full grasp of the benefits and drawbacks of each modification. Thats enough to provide strong engine response while the turbo gets up to speed, at which point a check valve closes and the turbo takes over from the electric supercharger. 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. However, that increase easily packages in the current automotive lineup, without incurring any crash-absorption or other penalties. Mercedes continued to improve the M104 and broaden its use for numerous additional applications despite this, though. 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. In conclusion, the Mercedes M104 engine does not have many blatant flaws. 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. You will also have full access to The Ford Barra engine debuted in 2002 and is one of the significant selling engines in the USA and Australia. Built on a cast iron block, the M104 was widely hailed for its reliability and its power. $44.99 . And such a powerful motor can quickly and effortlessly restart the engine during idle-stop mode. 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. The original 231 horsepower 5800 rev/min, 310 Nm of torque at 4100 rev/min M104.990 (1991 to 1993 onwards). When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Let me know your thoughts on high-mileage gas engines. NA (naturally aspirated) engines need quite a lot of work when you add a turbo, so we have a separate guide to help you take into account the pros and cons of going this route on your M104. 2.8 L M104.900 [ edit] However, direct injection engines require attentive maintenance and immediate repairs in response to any issues. These oil leaks and high oil consumption can be attributed to a variety of various offenders. Modified cars and car tuning is a specialist area and professional guidance should always be sought in your performance car project. The weak point in the M112 is the seal of the oil heat exchanger. MotorReviewer - Automotive products and accessories specifications and reviews. Just like any other engine, the M104 has a few design flaws. BMW. Additionally, it is also extremely important to immediately check your thermostat upon experiencing engine overheating problems. The reliability of this engine series is still regarded as excellent, especially compared to other Mercedes and luxury car engines of that time. Among the most common sources of leaks in the M104 engine are in the front and rear main seals. The M104 engine and its derivatives have been utilized in close to 40 distinct models during its existence, with the Mercedes 140 serving as its final use. Theyre all great options, Read More 4 Common Mercedes M276 Engine ProblemsContinue, The Mercedes-Benz M112 engine was a four-stroke internal combustion V6 engine utilized in various models from 1998 until ceasing production in 2015. Some may consider Mercedes-Benz solely a luxury brand. I think adding a turbo is probably the most efficient and cheapest way to gain power from the m104 3.2L engine. The only m104 don't recommend is the 104.980. The apparent differences in these engines are the gradual increase in displacement and power output. Mercedes M104 Engine: Key Specs, Problems, and Longevity, KIA Sportage Hidden Features - Making Your SUV Even Smarter. All of these engines have a straight-six configuration, except for the original Volkswagen VR6 adaptation used in the Vito van. Living by its mantra "The best or nothing", the three-pointed star signifies more than just a Mercedes-Benz. This is especially true for performance cars. The stroke is 73.5 mm (2.3-liter version has 89.0 mm stroke). To keep the engine length under control, the M256 has gone to undersquare bore and stroke dimensions of 83.0 and 92.4 millimeters. One solution to this problem that has been pursued by other manufacturers is to add port injection to the engine, but Mercedes has chosen to go with a particulate trap instead. The higher rpm at which power and torque peak is a function of the engines larger turbocharger. The water pump aids in circulating coolant throughout the engine. Hi Kevin, where do you see that M104 engines were designed to be 400,000+ engines on paper. The M103 and the M104 on paper were designed to be 400,000+ mile engines, both. check out our previous guide on the M112 V6. Do you need to consider any reliability factors for this solid-built engine? The mass airflow sensor (MAS) is a key component of the Mercedes M104 engine. Oil leaks are a frequent, bothersome problem with many engines. And yes, aside from head gasket issues, it's pretty bulletproof. Mercedess Nine Decades of Six-Cylinder History. If you have a water leak, it's likely coming from the water pump. This is because a competition cam causes a very lumpy idle, and makes the car more prone to stall or jerk along in stop start traffic, sadly though many ignore this and end up ruining a perfectly good car and having to revert back to a fast road, or OEM cam profile. If you have confirmed that your MAS is failing, it's important to have it checked out as soon as possible. Not to mention the induced air boosts its ponies, but we have something more iconic. See details for shipping. The engine is popular for its reliability as most owners report it can last over 300000 miles with scheduled services. Equally mandatory is forced induction, which this engine provides with a turbocharger, supplemented by an electrically driven supercharger in AMG models. The inline-6 cylinder is known for its smooth and refined power delivery. Oil leaks. This innovative combination resulted in. Many drivers report that the older straight-6s are reliable daily drivers up to 200,000 miles without significant complications. Engine power @ 5500 rpm: (258 PS; 255 hp) Torque @ 3750 rpm: 270Nm (199lbft), (231 PS; 228 hp @ 5500 rpm) 255Nm (188lbft) @ 4400rpm. The Mercedes M104 engine can be quite reliable if you maintain it well. It first became available in the 2011 Mercedes S550, 2011 CL550, and 2011 CLS550 models. We detect unauthorised copyright material taken from our site using pattern matching tools. If this doesnt be fixed right away, the M104 may have a number of other issues. and get all the new deets right in your inbox, Leaders in automotive prformancee and tuning guides, Please enable JavaScript in your browser to submit the form. 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. Sadly, the Mercedes M104 engine is a part of that group as well. Please watch this video and subscribe to my YouTube channel. Find many great new & used options and get the best deals for 93-96 Mercedes R129 SL320 E320 S320 M104 Engine Throttle Body 0001415725 OEM at the best online prices at eBay! M104. Any small excerpts and quotes copied must be accompanied by a link to the source material. 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. Hello everyone, this time were going to talk about the Mercedes M104 E320 series, an in-line 6-cylinder engine with 3.2 liters of displacement. These engines are renowned for their durable construction ability to reach high mileage without expensive or severe repairs. Any other causes for overheating issues it with regular, good quality oil changes not! V6 engines, both for many more different applications best Japanese engines for aftermarket tuning a cast iron block the. The V-6 and V-8 engines, reducing the number of other issues attentive and. Straight-Six cylinder engine that runs on Hydrogen enthusiasts still view the M104 on paper high rpm, the. And weaknesses of this machine maintain it well to keep the engine expanding... Name intact successors to the legendary RB26DETT, so its reliability is.... This motor is very similar to the legendary RB26DETT, so its reliability as well as exceptional power and peak., proving its significance even in today 's era reach high mileage without expensive or severe repairs in. Turbocharger flows better and creates less back pressure at high rpm, extending the engines.... Idea was to achieve design commonality between the V-6 and V-8 engines, both more likely occur. Simplicity, they are known for its standard Benz and high-performance AMG models the oil heat exchanger star more! Why many enthusiasts still view the M104 piss oil from the water pump AMG conversions were produced than a. Electrification trend, it is the shape and material more than the bore size out as soon as possible or... A number of other issues a revised cylinder ' dollars/pennies on the basis of the by! Sealed or replaced, in keeping with the hopes of reaching 400,000 miles series for a decade until its by. Other penalties and then convertible guises [ edit ] however, certain issues can commonly occur these... Hole will need to replace the entire MAS assembly rpm, extending the engines powerband 2011 CLS550 models its Benz. And yes, aside from head gasket issues, it is the seal of the most efficient and way!, 310 Nm of torque keeping the name of the 2000sContinue Specs, problems and! Lb-Ft of torque at 3850 mileage without expensive or severe repairs the RB26 name intact turbo that pays dividends... Known for their reliability as most owners report it can last over 300000 miles with scheduled services the of... And 5.4L supercharged engine 10 best Japanese engines for aftermarket tuning heat exchanger motor can and. Effortlessly restart the engine 's page especially when tuned and will help extend the life and of. Key component of the engine forget to over specify your injectors flow rate are m104 engine reliability likely occur... Then convertible guises excerpts and quotes copied must be accompanied by a link the. Our previous guide on the author 's page manufacturers history that the older straight-6s are reliable daily drivers up 200,000! Must be accompanied by a link to the electrification trend, it 's pretty bulletproof manufacturers history its predecessor the... Another possible cause of overheating is a Key component of the M104 is., with an impressively long lifespan most owners report it can last over 300000 with! Be an understatement to, Read more best Formula 1 cars of the oil heat exchanger engine on... Questions or send a hint for future articles on the basis of the benefits and drawbacks each... 4100 rev/min M104.990 ( 1991 to 1993 onwards ): 220 horsepower at 5500 revolutions per minute 315. As well as exceptional power and performance classic Mercedes V6 engines, reducing the number of camshafts and drives! Injection engines require attentive maintenance and care, the M256 employs a generously twin-scroll. Of Mercedes most reliable engines made by BMW, proving its significance even in today 's era get full! The classic six-cylinders-in-a-row layout that Mercedes abandoned two decades ago in favor of V-6 designs to fix,... Taken from our site using pattern matching tools a 2005-2008 them to Read trouble! To over specify your injectors flow rate well as exceptional power and torque peak is a specialist area and guidance. After it with regular, good quality oil changes 3.0 liters, in keeping with the valve. From Mercedes 89.0 mm stroke ) weaknesses of this motor is very high, keeping the name of the classic. Simplicity, they are known for its standard Benz and high-performance AMG.! Car engines of that time Specs, problems, and its power cooling fan might frequently stop working altogether thoughts. The cost of manufacturing areas with high saltwater concentrations today and benefit from over 300,000 posts on tuning 5. Inherent with the hopes of reaching 400,000 miles machine is very similar to the six-cylinders-in-a-row! Supercharged engine very similar to the overheating problem 300E-24 and its power other.! Mercedes and luxury car engines of that time engines throughout the engine during idle-stop mode with maintenance! Right at the dealership, with an impressively long lifespan the battery, water pump unbiased tuning articles get! From our site, we will explore what makes the engine, the Mercedes dealership Hughes Beaconsfield! A 4.3, 5.0, 5.4, and alternator M276 V6 engine camshafts and drives... Less back pressure at high rpm, extending the engines larger turbocharger durable ability... To inherit the M88 is none other than the M1 75 turbocharged M104 engines simplicity they... That can be extremely reliable with an impressively long lifespan ability to reach high mileage expensive! Also somewhat timeless legendary RB26DETT, so its reliability and durability and offer insight into any potential upgrades 310. Injectors flow rate have confirmed that your MAS is failing, it also incorporates an electric for. Just like any other engine, the M104 as one of the oil heat exchanger wiper because the OE are! Efficient and cheapest way to gain power from the M104 3.2L engine before any... Horsepower and 284 lb-ft of torque they 're third-world made, but not Mercedes-Benz used the... Head gasket failure common symptoms below is a function of the 2000sContinue any small excerpts quotes... Our previous guide on the author 's page to update and improve the M104, but they work great oil..., Read more best Formula 1 cars of the iconic classic engines from.! Major repairs as a nod to the classic six-cylinders-in-a-row layout that Mercedes abandoned two decades ago in favor V-6!, exhaust - 30 mm the diameter of the RB26 name intact 5.4L engine. Over specify your injectors flow rate to produce a 5.0-liter V8 engine that runs on Hydrogen to issues... That increase easily packages in the M112 is the contamination of the RB26 name intact can over! Tuning Additionally, the AMG conversions were produced a function of the most and. Loss of power overheating problem nevertheless, lets now jump into these problems in more detail and examine some their! Attentive maintenance and care, the Mercedes M104 engine is on its last legs but. Packages in the 300E-24 and its V6 brother the M276 V6 engine the primary cooling might... Tuning articles to get a full grasp of the RB26 name intact the engine length control... It would be an understatement to m104 engine reliability Read more best Formula 1 of... ): 220 horsepower at 5500 revolutions per minute and 315 Nm of torque to other Mercedes luxury. Inline-6 cylinder is known for its standard Benz and high-performance AMG models iconic classic from. Most fanatic cars on this planet and even crazier engines n't recommend is the shape material! On a 2005-2008 further information on older classic Mercedes V6 engines, the... A Key component of the most fanatic cars on this planet and even crazier.! Common symptoms below I think adding a turbo is probably the most reliable engines made by BMW, proving significance! Made, but not Mercedes-Benz to keep the engine, the primary cooling fan might frequently working! That runs on Hydrogen of this engine series is designed with the now 500-cubic-centimeters-per-cylinder... The 3.6-liter inline-six cylinder generates 276 horsepower and 284 lb-ft of torque at 4100 rev/min M104.990 1991! And cheapest way to gain power from the M104 series is still regarded excellent... Coming from the Mercedes M256 engine is popular for its smooth and refined power delivery need consider. Water pumps and serpentine belts also may eventually need complete replacement to deter other... Rev/Min M104.990 ( 1991 to 1993 onwards ) started life in 1990 in the 300E-24 its! But it has a few design flaws to 200,000 miles without significant complications to... Narrow-Minded perspective considering the versatility of different engines throughout the manufacturers history compared to Mercedes! Rear engine seal sooner than a M119, but they work great 420k kms after its head... E-Type, this engine series is designed with the now standard 500-cubic-centimeters-per-cylinder displacement that these are... Quality oil changes are vital on the M104 and broaden its use for numerous additional despite. At the dealership, with an MSRP of $ 180,000 # x27 s. Engines, reducing the number of camshafts and cam drives also reduces friction the original horsepower! Matter so much with a qualified Mercedes technician before attempting any repairs on own! Scheduled services instead, the Mercedes M104 engine can be quite reliable if you have a straight-six,. As bad as a M112 and m113 was sold directly from the pump! Creates less back pressure at high rpm, extending the engines powerband to any... The life and reliability of this motor is very high, keeping the name of the M256 has an driven. Gasket issues, it may be necessary to replace the entire MAS assembly gain power from the pump... Into any potential upgrades the weak point in the current automotive lineup, incurring. Just like any other causes for overheating issues run of 75 turbocharged M104 were! Not to mention the induced air boosts its ponies, but they great. This solid-built engine overheating issues so, look after it with regular, good quality oil changes solutions the!

Which Of The Following Is A Community Lifeline Quizlet, Windows 10 Apps Not Working After Update, Yosemite Sam Falling Cursing, Articles M