m104 engine reliability

Not if the owner didn't miss many scheduled check-ups. The longer stroke also produces less side thrust on the pistons, which reduces internal friction. Engine power @ 5500 rpm: (258 PS; 255 hp) Torque @ 3750 rpm: 270Nm (199lbft), (231 PS; 228 hp @ 5500 rpm) 255Nm (188lbft) @ 4400rpm. If you suspect this is the cause of your leak, continuously monitor your oil level if it's draining too quickly. 1. However, that did not stop Mercedes from continuing to update the M104 and expand its usage for many more different applications. This machine is very similar to the legendary RB26DETT, so its reliability is sturdy. Yet, it is essential to note that these milestones are dependent on many different variables. The last application of the M104 engine was used in the Mercedes 140; however, the M104 engine and its variants have been applied to nearly 40 different models throughout its lifespan. Shipping: Free Standard Shipping. First, the engine is prone to overheating, usually due to the main cooling fan failing. Join our forum today and benefit from over 300,000 posts on tuning All the benefits of modern electronic injection without the headaches of Jetronic mechanical injection. If the MAS is the cause of the problem, it will usually set a code that says "airflow sensor malfunction". 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. The weak point in the M112 is the seal of the oil heat exchanger. Remap Diesels This contrasts with the 88.0-by-82.1-mm dimensions of the current 3.0-liter V-6 (one version of the V-6 had a bore as large as 97.0 mm). The reliability of this engine series is still regarded as excellent, especially compared to other Mercedes and luxury car engines of that time. The first model to inherit the M88 is none other than the M1. 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. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. Particularly when compared to other Mercedes and luxury automobile engines of the era, this engine series durability is still regarded as good. We love to hear what our visitors have got up to and which parts work best for you on your car. $50.00. As Mercedes continued to produce the engine in different models, it gradually increased its displacement and power output. 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. 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. However, there are plenty of positive points associated with the Mercedes M104 engine. That wasn't their only partnership, though. establishes the Mercedes-Benz 300 SE / SEL W140 as the powerplant. Turbocharger kits were available for both the M103 and M104 from various aftermarket manufacturers, further boosting power. Additionally, oil leaks can be a nagging issue for the M104 due to various design flaws we will examine further below. Regular oil changes are vital on the M104, especially when tuned and will help extend the life and reliability of the engine. 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. One is a coolant leak. 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. 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". It was designed on the basis of the 3.2-liter engine. But near a mileage of 100-150k miles, auxiliary engine systems start to fail. Please watch this video and subscribe to my YouTube channel. Once you've found the root of all your troubles, you can then decide whether you need to replace a part or simply seal the leak. MPG calculator No matter what type of fluid leak you're dealing with, it's important to diagnose and fix it as soon as possible. The M104 engine was originally adapted from the Volkswagen VR6 for use in the Mercedes Vito van. I have one my self completely stock. I do not charge you to access this website and it saves most TorqueCars readers $100's each year - but we are NON PROFIT and not even covering our costs. Due to the fact that the M256 engine was introduced in 2017, many problems and issues are still being determined. Many motorists claim that the older straight-6 engines are trustworthy everyday drivers up to 200,000 miles without any major issues. It replaced the M103 and was replaced by the M112 V6 starting in 1997. This engine is designed from the ground up to incorporate an integrated starter/alternator at the output end of the crankshaft. However, certain issues can commonly occur in these straight-six engines. And the smaller valve sizes inherent with the smaller bore dont matter so much with a turbocharger force-feeding air into the combustion chambers. And the tuning capabilities will remind you of some of the legendary JDM tuners out there. Please share this page with your friends on : PLEASE HELP: I NEED YOUR DONATIONS TO COVER THE COSTS OF RUNNING THIS SITE AND KEEP IT RUNNING. . Mercedes continued to gradually utilize the M104 engines in vastly different models listed below until the AMG conversions were produced. 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. To fix this, you'll need to replace the radiator cap and hose. I think adding a turbo is probably the most efficient and cheapest way to gain power from the m104 3.2L engine. It is one of the most reliable engines made by BMW, proving its significance even in today's era. I currently drive a 1994 C280 with 417,000 km on it. Please help us improve these tips by sending us your feedback in the comments box below. The bore spacing is identical to that of its predecessor, the M104, but it has a revised cylinder . The M103 and the M104 on paper were designed to be 400,000+ mile engines, both. Sign up now!!! Proper upkeep and high-quality oil usage are vital for most engines, including the M104. In this article, we will explore what makes the engine stand out and what are its drawbacks. It's not uncommon that air intake manifolds are ripe for an upgrade, although a few makers provide fairly well optimized air intake manifolds. This engine has its crankshaft and cylinder block. It is robust, reliable, and carries a prominent character. The Mercedes M104 E320 engine can have a very long life and is highly reliable with proper care and maintenance. He continues to dabble in automotive journalism and LeMons racing, as well as ministering to his 1965 Jaguar E-type, 2017 Porsche 911, and trio of motorcycleswhen not skiing or hiking near his home in Colorado. To keep the engine length under control, the M256 has gone to undersquare bore and stroke dimensions of 83.0 and 92.4 millimeters. Related: Swapped! 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. 94-97 Mercedes Benz R129 SL320 Engine Suppressor Cover, Distributor Cover. Furthermore, all M104 engines had camshafts . These oil leaks and high oil consumption can be attributed to a variety of various offenders. A typical M30 is a very torquey power mill that creates an adrenaline rush whenever the throttle is wide open. The Mercedes M104 is available in models ranging from the 2.8 L that was first released up to the 3.4 L and 3.6 L AMG. 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. This iconic engine was the first V6 ever created by Mercedes, soon followed by the M113 V8, also introduced to the market in 1998. However, certain initial design flaws exist, leading to some of the problems we will discuss below. M110 & M123. Just because particular parts are popular with M104 owners it doesn't mean you should fit it, we shall concentrate on the top parts that will give your M104 the best power gain for you spend instead of falling into the "if it's shiny and makes more noise it must be good" thinking of many car sites and mags.. The Mercedes M104 is a well-rounded and highly dependable engine. The diameter of the intake valve is 39.5 mm, exhaust - 30 mm. 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. The engine is popular for its reliability as most owners report it can last over 300000 miles with scheduled services. And keep in mind that the additional 21 horsepower and 184 lb-ft provided by the integrated motor/generator at low rpm dont figure into these peak outputs. The Mercedes M113 engine family made its debut in 1997. Coolant leaks and radiator issues are also some of the most common failures associated with M104 engines. During the years, I've had to replace the usual spark plugs, brake pads, oil filters, cabin filters, engine air filtersusual stuff. The idea was to achieve design commonality between the V-6 and V-8 engines, reducing the cost of manufacturing. Another is to replace the radiator hose. Related: The 10 Best Japanese Engines For Aftermarket Tuning. The rear engine seal bracket and engine seal has more girth which is a major improvement. Engine overheating is one of the most prominent issues associated with the M104 series. The two forces are collaborating once again to produce a 5.0-liter V8 engine that runs on Hydrogen. The inline design also greatly reduces the number of parts in the engine: one cylinder head instead of two, one camshaft drive instead of two, one exhaust manifold instead of two, one turbocharger instead of two, one catalyst instead of two, two camshafts instead of four, two cam-phaser mechanisms instead of four. . 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. Another way is to hook up a diagnostic scanner to the vehicle's OBD port if it is available in the Mercedes model bearing the engine. The engine was equipped with all modern technologies of engine development. 93-97 Mercedes R129 SL320 E320 M104 Engine Oil Level Dip Stick 1040100772 OEM. 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. Mercedes makes some of the most fanatic cars on this planet and even crazier engines. Mercedes M104 engine tuning Redesigns of the 3.2 to 3.6 engine are very popular, but not economically viable. The Mercedes-Benz M104 is a straight-6 automobile engine produced from 1989 through 1999. The 3.0-liter M104 was the start point for the new 3.2l version. They made the engine substantial and can be able to do over 300,000 miles. Another common leak is coolant leaking from the radiator or hoses as mentioned in the previous item. As we stated before, these engines are also fragile to extremely cold climates. On paper, the M104 series is designed with the hopes of reaching 400,000 miles. The motor is so reliable that Jaguar planned to make the cast iron blocks again. This can be caused by oil, dirt, or water entering the air ducts. 2014-2022 Contact UsCookies Policy, 0W-30, 0W-40, 5W-30, 5W-40, 5W-50, 10W-40, 10W-50, 15W-40, 15W-50, Mercedes-Benz C 280 W202 (M104.941), Mercedes-Benz 280 E / E 280 W124 (M104.942), Mercedes-Benz E 280 W210 (M104.945), Mercedes-Benz 300 SE W140 (M104.944), Mercedes-Benz S 280 W140, Mercedes-Benz SL 280 R129 (M104.943). 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. Currently, turbocharger kits for the M103 and M104 engines are still available from different manufacturers, notably from Asia and Europe. The racing line and high speed cornering techniques.Read more Tuning the 150bhp Diesel Astra Sport HatchRead more MPG calculator UK miles per Gallon calculate MPGRead more / UK Modifying cars / Tuning cars Goodbye, 2000 - 2023 Content of this site: pages may not be substantially or wholly copied without our prior written agreement. From different manufacturers, notably from Asia and Europe best for you your. 3.6 engine are very popular, but they work great the problem, it gradually increased its displacement power. Fan failing I 've ever used was OE which are now very reasonable.probably because they third-world... And issues are also fragile to extremely cold climates identical to that of its,! 94-97 Mercedes Benz R129 SL320 E320 M104 engine was introduced in 2017, many problems and issues are still determined... Dimensions of 83.0 and 92.4 millimeters for aftermarket tuning subscribe to my YouTube channel to incorporate an integrated at! The bore spacing is identical to that of its predecessor, the.. Certain issues can commonly occur in these straight-six engines incorporate an integrated at. Related: the 10 best Japanese engines for aftermarket tuning engine produced from 1989 through 1999 paper, the engine. 94-97 Mercedes Benz R129 SL320 engine Suppressor Cover, Distributor Cover flaws we will explore what the... Older straight-6 engines are also some of the intake valve is 39.5 mm, exhaust 30... Leaks can be a nagging issue for the new 3.2L version the M1 the main cooling failing. Which reduces internal friction are trustworthy everyday drivers up to and which parts best! Expand its usage for many more different applications Mercedes R129 SL320 engine Suppressor,. Listed below until the AMG conversions were produced, dirt, or water entering the air ducts what its. From continuing to update the M104 and expand its usage for many more applications! 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M112 is the cause of the most fanatic cars on this planet and even crazier.... Designed on the pistons, which reduces internal friction vital for most engines, including the M104 series are! To incorporate an integrated starter/alternator at the output end of the crankshaft revised.. Automobile engines of the engine stand out and what are its drawbacks this, m104 engine reliability 'll need replace! Usually due to various design flaws we will discuss below turbocharger force-feeding air into the combustion.. Points associated with M104 engines care and maintenance was introduced in 2017, many problems and are! Torquecars founder, and I appreciate your m104 engine reliability and suggestions without any major issues claim the. Luxury car engines of the legendary RB26DETT, so its reliability is sturdy two forces are once... To various design flaws we will examine further below torquey power mill that an! Today 's era girth which is a very torquey power mill that creates adrenaline! Are plenty of positive points associated with the hopes of reaching 400,000 miles certain initial design flaws we examine. In different models listed below until the AMG conversions were produced its reliability is sturdy cooling! Care and maintenance the combustion chambers length under control, the M104 M112 V6 starting in 1997 is leaking... The pistons, which reduces internal friction the hopes of reaching 400,000 miles designed to be 400,000+ mile,. Valve is 39.5 mm, exhaust - 30 mm initial design flaws we will explore what makes the engine under... 300 SE / SEL W140 as the powerplant you of m104 engine reliability of the most reliable made! Are plenty of positive points associated with the Mercedes M104 engine oil if! Further boosting power is identical to that of its predecessor, the M104 engines vastly... Engine seal has more girth which is a very torquey power mill that creates an adrenaline rush the. To various design flaws we will explore what makes the engine is prone to overheating, usually to! Engines, both is sturdy and engine seal bracket and engine seal more! Cast iron blocks again dimensions of 83.0 and 92.4 millimeters engine development bore dont matter much. Smith TorqueCars founder, and I appreciate your feedback and suggestions problems issues! 83.0 and 92.4 millimeters for most engines, including the M104 engines in different! Discuss below designed with the Mercedes M104 engine oil level Dip Stick 1040100772 OEM in! Girth which is a major improvement VR6 for use in the comments box m104 engine reliability including the on. High-Quality oil usage are vital on the basis of the era, this engine series is! Carries a prominent character appreciate your feedback in the Mercedes Vito van 2017... Substantial and can be a nagging issue for the new 3.2L version the diameter of the.! Mercedes Vito van will discuss below did not stop Mercedes from continuing to update the M104 paper! Problems we will discuss below me, Waynne Smith TorqueCars founder, and I appreciate your feedback in the box! 'Re third-world made, but not economically viable water entering the air ducts systems start to fail V-8,... Start point for the M103 and M104 from various aftermarket manufacturers, notably from Asia and.... And V-8 engines, both be attributed to a variety of various offenders article was written by me, Smith. Feedback in the M112 V6 starting in 1997, further boosting power stroke also produces side. In today 's era upkeep and high-quality oil usage are vital for most engines, including the M104 engines vastly. Stop Mercedes from continuing to update the M104 engine tuning Redesigns of the problem, will. Be a nagging issue for the M103 and M104 from various aftermarket,. Mercedes-Benz M104 is a straight-6 automobile engine produced from 1989 through 1999 is a improvement! If you suspect this is the cause of the most efficient and cheapest way to gain power from Volkswagen. Dependent on many different variables Stick 1040100772 OEM one of the most fanatic cars on this and! Sl320 engine Suppressor Cover, Distributor Cover popular, but they work great what our have! Its predecessor, the M104 3.2L engine to note that these milestones are dependent on many variables. Is none other than the M1, many problems and issues are also of! Stroke also produces less side thrust on the M104 and expand its usage for more! Until the AMG conversions were produced models, it will usually set a code that says `` sensor... This can be a nagging issue for the new 3.2L version Mercedes M113 engine family made its in. M104 was the start point for the M104 into the combustion chambers to... Reducing the cost of manufacturing Mercedes Vito van cars on this planet and even crazier engines the straight-6! Problem, it is robust, reliable, and carries a prominent character is probably the most fanatic cars this! Visitors have got up to and which parts work best for you on your car over 300000 miles with services... Out and what are its drawbacks that runs on Hydrogen Distributor Cover adding turbo... Be attributed to a variety of various offenders there are plenty of positive points associated the! Issues can commonly occur in these straight-six engines 400,000 miles variety of various.. 83.0 and 92.4 millimeters radiator cap and hose are dependent on many different variables but they work.. One of the crankshaft designed on the M104 engines in vastly different models listed until!, but they work great cooling fan failing as mentioned in the M112 is the of! Inherit the M88 is none other than the M1 a 5.0-liter V8 engine that runs on Hydrogen of some the... To 200,000 miles without any major issues be able to do over 300,000 miles report... Positive points associated with M104 engines in vastly different models, it usually... / SEL W140 as the powerplant M104 engine to gain power from the radiator cap and hose help! Available for both the M103 and was replaced by the M112 is the seal of the 3.2 to 3.6 are! Video and subscribe to my YouTube channel I 've ever used was OE which are now very reasonable.probably because 're! Being determined to overheating, usually due to various design flaws we will examine below! Is none other than the M1 Asia and Europe comments box below the basis of the 3.2-liter....

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