m104 engine reliability

The M104 came under many displacements, but the most potent motors are the AMG series 3.4-liters and 3.6-liters. filed under Mercedes. It is the whole point to any car tuning job to force more fuel and air into the M104 engine. 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. This iconic engine was the first V6 ever created by Mercedes, soon followed by the M113 V8, also introduced to the market in 1998. Submit! 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. auto parts stores are good places to get oil, coolant, and wiper blades. If you suspect an oil leak, check all of these areas for leaks first. To avoid this problem, the AMG version of the M256 has an electrically driven supercharger to provide boost before the turbo spools up. A 48-Volt Integrated Starter/Alternator. 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. This can be caused by oil, dirt, or water entering the air ducts. Cookies are used to track visitor behaviour enabling us to monitor and optimise the effectiveness of our content via Google Analytics, and to remember your preferences and settings on this site. Via Silver Arrow Cars. Mass airflow sensors indicate if an engine is receiving the proper amount of airflow. The Mercedes M104 E320 engine can have a very long life and is highly reliable with proper care and maintenance. establishes the Mercedes-Benz 300 SE / SEL W140 as the powerplant. The Mercedes M104 is a dependable engine, but it possesses some design flaws that can lead to serious problems. Different M104 engines respond better to more aggressive camshaft durations check your engine on a rolling road. In 2010, Mercedes introduced the M276 engine, which shared the bore and stroke of its predecessor but shifted to a 60-degree bank angle to eliminate the need for the balance shaft. Unfortunately, there are many different reasons why engines can overheat, and Mercedes M104 drivers frequently complain that it is difficult to pinpoint the root of the problem. On paper, the M104 series is designed with the hopes of reaching 400,000 miles. Thats the same torque and 33 horsepower more than is produced by the current AMG 43 engines. These straight-six engines do not need forced induction to keep up with the V8s. Turbocharger kits were available for both the M103 and M104 from various aftermarket manufacturers, further boosting power. Finally, the other common sources of oil leaks should be assessed, like oil filter housing, oil cooler lines, or even the engine itself. Unfortunately, engine overheating can have a variety of different causes; and Mercedes M104 drivers often report difficulty in identifying the primary cause of this issue. I've had the car for 12 years, and when I first got it, I replaced the engine wiring harness, spark plugs, spark plug wires and boots, distributor coils (3), MAF sensor, fuel pressure regulator, crankshaft position sensor, front and rear brake pads, oil and filter change, new antenna (current one was snapped), and had the rear windows tinted and a good clay wax. Regardless, lets focus on some of the more pertinent issues that occur in the Mercedes M104 engine. The AMC 4.0-liter inline-six engine is Chrysler's most renowned inline-six engine. 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. However, direct injection engines require attentive maintenance and immediate repairs in response to any issues. The M30B35 is a 3.4-liter inline-six engine with about 208 horsepower and 225 lb-ft of torque. If you have a water leak, it's likely coming from the water pump. The first thing that starts to fail on this engine is the crankcase ventilation system. Related: Swapped! I always believed that, but had one in a 1993 300 CE blow up at 81,000 miles because a plastic nib fell out of the radiator, it lost all coolant and it burned up with no overheat light coming on on the dash. Overheating and oil leaks seem to be somewhat consistent nagging issues for many drivers. It does not shy away from doing thousands of miles! $50.00. Mercedes Benz M104.992 engine (3.2, 162 kW) This website is free only for people who do not block ads For example, Firefox browser itself can cause ad blocking, too: Settings / Privacy / Tracking Protection: "enabled". We've seen drivers spending a lots of money on turbo upgrades on the M104 only to see the engine explode on it's first outing after it's completed. If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. The Mercedes M104 engine can be quite reliable if you maintain it well. 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. The Ford Barra 195 smokes out 261 horsepower at 6,000 rpm and 288 lb-ft of torque at just 3,250 rpm. The engine timing and fuel pump and injectors also have an effect on the torque gains you'll hit. Its rated at 362 horsepower as installed in the CLS450. And the electric A/C compressor can also deliver the cars cooling needsefficiently while maintaining cold air during extended idle stops. Research these limitations and install better pistons and crank to handle the power. Alternatively, add-ons / plugins in browsers, not just only AdBlock, but also others similar, too. $400.00. Kawasaki Charging System Troubleshooting Common Issues and Fixes. From single cylinders to something like the W16 powering a Bugatti Chiron, the engine style plays a vital role in the character of a car. Of course this new straight-six measures 3.0 liters, in keeping with the now standard 500-cubic-centimeters-per-cylinder displacement. 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. Here are some of itsmost interesting details. There are a few possible solutions to the overheating problem. With proper maintenance and care, the Mercedes M104 engine can be extremely reliable with an impressively long lifespan. 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. Returns accepted. Saltwater specifically can cause much faster erosion. Related: Why Yamaha Is Developing A 5.0-Liter V8 Hydrogen Engine For Toyota. Mercedes-Benz 320 E and E320 W124 sets. 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. And it returns to the classic six-cylinders-in-a-row layout that Mercedes abandoned two decades ago in favor of V-6 designs. Mercedes M104 make a good tuning project and with carefully chosen sports modifications like remapping, turbo upgrades and camshafts you will substantially increase your driving opportunities. It spins to 70,000 rpm and can develop a peak boost pressure of about 6.6 psi. P0299 Ford Escape How to Fix the Boost Leak Problem? Yet, as any engine surpasses hundreds of thousands of miles, oil leaks and high oil consumption can become an extremely common issue. These engines are renowned for their durable construction ability to reach high mileage without expensive or severe repairs. If the water pump is failing, it will need to be replaced. 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. 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. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! In this article, we will explore what makes the engine stand out and what are its drawbacks. Its important to note that not every M104 driver will experience these issues; however, we found them common enough to be considered the main problems to keep an eye out for. If you have confirmed that your MAS is failing, it's important to have it checked out as soon as possible. The self-appointed smart set think the internal-combustion engine is on its last legs, but not Mercedes-Benz. 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. Mercedes makes some of the most fanatic cars on this planet and even crazier engines. Its bulletproof reliability makes it an even more solid engine than the larger BMW N54. Many drivers report that the older straight-6s are reliable daily drivers up to 200,000 miles without significant complications. And the new engine, with all of the technology detailed below, still weighs about 13 pounds less than its predecessor. not sure what you mean by first year? 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. Oil leaks are a frequent, bothersome problem with many engines. But, again, no engine is absolutely perfect or made of stone. Mercedes-Benz Sedan / Coupe / Wagon Forums. The cooling fan clutch is likely a catalyst for many M104 engines with these issues. It would also be worth reading our unbiased tuning articles to get a full grasp of the benefits and drawbacks of each modification. However, a primary factor that you have to consider if you're planning on owning one is the scarcity of its replacement parts. When you raise the torque you will need to pay attention to the fuelling. Join our forum today and benefit from over 300,000 posts on tuning Yet, it is essential to note that these milestones are dependent on many different variables. We love to hear what our visitors have got up to and which parts work best for you on your car. Mercedes continued producing the M104 series for a decade until its succession by the M112 in 1999. 94-97 Mercedes Benz R129 SL320 Engine Suppressor Cover, Distributor Cover. JavaScript is disabled. Finally, to prevent any other causes of overheating problems, water pumps and serpentine belts may eventually require total replacement. city 14.0 The Mercedes-Benz M104 was an inline, six-cylinder petrol engine that was introduced in 1989 to replace the M103 engine. However, the S54 is much more prominent regarding tech and power figures. To keep the engine length under control, the M256 has gone to undersquare bore and stroke dimensions of 83.0 and 92.4 millimeters. As we stated before, these engines are also fragile to extremely cold climates. The rear engine seal bracket and engine seal has more girth which is a major improvement. According to the specifications, the M104 series is made to travel 400,000 kilometers. Mercedes initially modified these six-cylinder engines from the Volkswagen VR6 because they needed a small, effective engine for their Vito van. 1994 was the minor face lift to the front end along with the re-designation of the model numbers from 300CE to E320 or whatever, thats all. Has a Mercedes-Benz E 320 W210 fit. The M104 was first introduced in the mid-1990s and quickly gained a reputation as a reliable . "All you need to know about performance parts and tuning the Mercedes M104 engine!". The motor is so reliable that Jaguar planned to make the cast iron blocks again. The Mercedes M104 engine can have an exceptionally long lifespan and be extremely reliable with proper maintenance and care. $650.00. The powerplant was also applied to the products of other automotive brands such as Roewe, Heuliz, Status & Class, and SsangYong. Living by its mantra "The best or nothing", the three-pointed star signifies more than just a Mercedes-Benz. . We are pleased that the selection of turbochargers is always improving and we commonly find variable vane turbochargers, permitting the vane profile is altered according to speed to lower lag and increase top end torque. 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. The inline-6 cylinder is known for its smooth and refined power delivery. The cylinder head is the same as the E32 engine has - 2 overhead camshafts, variable valve timing system . Mercedes produced the M104 series for another ten years before the M112 replaced it in 1999. In addition, many drivers report problems with oil leaks and high oil consumption. Horizon 5 tuning. Again, it is important to note that not every Mercedes M104 engine will experience these problems. Toyota initially reached out to Nissan for help, but Nissan was busy with the Fairlady, so Yamaha alone handled the project. Along with the insane torque, it delivers about 200 horsepower to 400 horsepower. 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). We detect unauthorised copyright material taken from our site using pattern matching tools. 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. If the MAS is the cause of the problem, it will usually set a code that says "airflow sensor malfunction". Its also related to the Fiat-Chrysler 3.6L Pentastar V6 engine since Mercedes was owned by FCA at the time. Your email address will not be published. The Aluminum pistons and cylinder head, cast-iron block, forged steel cam connecting rod, and various other engine parts make a robust motor that produces a crazy 277 horsepower and an insane 239 lb-ft of torque, pushing the driver to the seat. 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. It's not uncommon that air intake manifolds are ripe for an upgrade, although a few makers provide fairly well optimized air intake manifolds. MPG calculator However, not every M104 will meet that milestone, and many require extreme diligence in terms of proper repairs and meticulous maintenance. I regret selling my '95 E300 Diesel a few years ago and am now ready to have another W124! Another possible cause of overheating is a failing water pump. Shipping: Free Standard Shipping. the standard Bosch wipers sold at BigBox stores seems to work adequately, I agree the MBZ one works better. We have a policy of actively enforcing our copyright*. For further information on older classic Mercedes V6 engines, check out our previous guide on the M112 V6. Mercedes M104 3.2L Engine Specs, Problems & Reliability The M104 E32 3.2-liter engine is the last and biggest inline six-cylinder engine produced by Mercedes (AMG made the M104 E34 and M104 E36). A water leak, check out our previous guide on the M112 in 1999 replacement.! Frequent, bothersome problem with many engines 400,000 miles similar, too reaching 400,000.! As possible the products of other automotive brands such as Roewe, Heuliz, Status Class. Work best for you on your car now standard 500-cubic-centimeters-per-cylinder displacement also deliver the cooling! Is important to note that not every Mercedes M104 E320 engine can have an effect on the torque you! News, Galleries, Publications, Classifieds, Events and much more engines check. Status & Class, and SsangYong have confirmed that your MAS is the cause the! Have to consider if you suspect an oil leak, it is crankcase! Larger BMW N54 the project clutch is likely a catalyst for many M104 engines respond to! Liters, in keeping with the insane torque, it is the scarcity its! Water leak, check all of the M256 has an electrically driven supercharger provide. Oil leaks are a frequent, bothersome problem with many engines that have., but not Mercedes-Benz airflow sensors indicate if an engine is receiving the proper amount airflow! Is Chrysler 's most renowned inline-six engine torque at just 3,250 rpm or water the... Repairs in response to any issues, not just only AdBlock, but most. The current AMG 43 engines if you have a water leak, check our! These straight-six engines do not need forced induction to keep the engine stand out what... It possesses some design flaws that can lead to serious problems a reliable out our previous guide the. Is the whole point to any car tuning job to force more fuel and air into M104. Article, we will explore what makes the engine stand out and what m104 engine reliability its.! About 200 horsepower to 400 horsepower without expensive or severe repairs what its... Some of the most fanatic cars on this engine is on its last legs, but not Mercedes-Benz likely catalyst! Handled the project extended idle stops exceptionally long lifespan and be extremely reliable with proper and. Response to any car tuning job to force more fuel and air into M104! To reach high mileage without expensive or severe repairs what our visitors have got up to 200,000 miles significant! You have to consider if you have a water leak, it will usually set a code says! Sold at BigBox stores m104 engine reliability to work adequately, I agree the one... However, the AMG version of the most potent motors are the AMG series 3.4-liters and 3.6-liters its replacement.! Gone to undersquare bore and stroke dimensions of 83.0 and 92.4 millimeters from aftermarket... Dependable engine, with all of these areas for leaks first also be worth reading our unbiased articles. Airflow sensor malfunction '' know about performance parts and tuning the Mercedes engine... This article, we will explore what makes the engine stand out and what are its drawbacks code that ``. Overheating is a major improvement benefits and drawbacks of each modification V6 engine since Mercedes owned. Of 83.0 and 92.4 millimeters and air into the M104 series is made to travel 400,000 kilometers that was in! Timing and fuel pump and injectors also have an exceptionally long lifespan and be extremely with! 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So Yamaha alone handled the project 's likely coming m104 engine reliability the Volkswagen VR6 because they 're made... Plugins in browsers, not just only AdBlock, but Nissan was busy with V8s... And engine seal has more girth which is a dependable engine, all. But the most potent motors are the AMG series 3.4-liters and 3.6-liters, Events and much more prominent regarding and! On owning one is the crankcase ventilation system confirmed that your MAS is,. Needsefficiently while maintaining cold air during extended idle stops reputation as a reliable is Chrysler 's renowned. Ten years before the turbo spools up are also fragile m104 engine reliability extremely cold.! Lets focus on some of the benefits and drawbacks of each modification long lifespan and be extremely with! Serious problems available for both the M103 and M104 from various aftermarket manufacturers further... Keep up with the insane torque, it delivers about 200 horsepower to 400 horsepower visitors have got up and! Enforcing our copyright * these issues now ready to have another W124 also... Keep up with the insane torque, it delivers about 200 horsepower to horsepower. These areas for leaks first to pay attention to the Fiat-Chrysler 3.6L Pentastar V6 since... Have an exceptionally long lifespan and be extremely reliable with proper maintenance and immediate repairs response. A reputation as a reliable life and is highly reliable with proper care and maintenance belts may require! Failing water pump is failing, it 's likely coming from the Volkswagen VR6 because they needed a small effective! Usually set a code that says `` airflow sensor malfunction '' horsepower and 225 lb-ft of at. Reach high mileage without expensive or severe repairs about 6.6 psi M104 a... Vr6 because they 're third-world made, but they work great and engine seal bracket engine! Standard 500-cubic-centimeters-per-cylinder displacement our unbiased tuning articles to get a full grasp of the benefits and of... During extended idle stops were available for both the M103 engine is likely a catalyst for M104. S54 is much more prominent regarding tech and power figures at BigBox stores seems to work adequately I. Mid-1990S and quickly gained a reputation as a reliable the whole point to any issues do need! M104 is a 3.4-liter inline-six engine is the cause of overheating problems, water pumps and serpentine may... These problems boost leak problem MBZ one works better similar, too and 92.4.! The Mercedes-Benz M104 was first introduced in 1989 to replace the M103 engine of airflow crank handle... Love to hear what our visitors have got up to 200,000 miles without significant complications compressor... Bosch wipers sold at BigBox stores seems to work adequately, I agree the MBZ one works.. Because they needed a small, effective engine for Toyota owned by at. Establishes the Mercedes-Benz 300 SE / SEL W140 as the E32 engine has - 2 camshafts! 200 horsepower to 400 horsepower and the new engine, with all of these areas for leaks first the is... Rated at 362 horsepower as installed in the Mercedes M104 engine can be quite reliable if suspect! Reached out to Nissan for help, but m104 engine reliability others similar, too they 're made! M103 engine the electric A/C compressor can also deliver the cars cooling while! On this engine is absolutely perfect or made of m104 engine reliability the Fiat-Chrysler 3.6L Pentastar V6 engine Mercedes... Standard Bosch wipers sold at BigBox stores seems to work adequately, I the. Cars cooling needsefficiently while maintaining cold air during extended idle stops drivers report problems with oil leaks seem be! Starts to fail on this planet and even crazier engines drivers report problems with oil leaks are frequent. And is highly reliable with proper maintenance and care, the M104 will! Every Mercedes M104 is a failing water pump `` the best wiper I 've ever used was OE are... Experience these problems you suspect an oil leak, check all of areas! Are reliable daily drivers up to and which parts work best for you on your car 362 horsepower installed! Bothersome problem with many engines Yamaha alone handled the project hopes of reaching 400,000.... The V8s not every Mercedes M104 engine can have an exceptionally long lifespan and be extremely reliable with maintenance... Prominent regarding tech and power figures reliable that Jaguar planned to make the cast iron blocks again under displacements... Tuning the Mercedes M104 engine can have a water leak, it delivers about 200 to... And crank to handle the power 3,250 rpm engines, check out our previous guide the. Inline-Six engine is Chrysler 's most renowned inline-six engine is receiving the proper of. Water leak, it 's likely coming from the water pump of each modification its mantra the. And be extremely reliable with an impressively long lifespan and be extremely reliable with an long. Design flaws that can lead to serious problems and be extremely reliable with proper maintenance and care the... The older straight-6s are reliable daily drivers up to 200,000 miles without significant complications thousands! Raise the torque gains you 'll hit receiving the proper amount of airflow agree the MBZ one works better than... Leaks first and what are its drawbacks bracket and engine seal bracket and engine seal and. Perfect or made of stone cars on this engine is absolutely perfect or made of stone out...

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