According to the specifications, the M104 series is made to travel 400,000 kilometers. However, many of the issues surrounding oil leaks in the Mercedes M104 can be deterred by using high-quality oil and timely oil changes. Particulate traps have long been a necessity for diesel engines to meet emissions requirements around the world. Ask questions or send a hint for future articles on the author's page. 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. The Mercedes M104 can be found in the initially introduced 2.8 L ranging upwards to the 3.4L and 3.6L AMG versions. 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. Currently, turbocharger kits for the M103 and M104 engines are still available from different manufacturers, notably from Asia and Europe. 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. The units that are particularly scarce are the 3.4L and the 3.6L variants. Mercedes M113 V8 Engine Problems, Reliability, Specs. It would be much cheaper to build your own turbo kit. All of these engines have a straight-six configuration, except for the original Volkswagen VR6 adaptation used in the Vito van. The rear engine seal bracket and engine seal has more girth which is a major improvement. Obviously theres no need for another alternator, and electric motors are used to drive the water pump and the air-conditioning compressor. Scion xB Catalytic Converter Scrap Price - How Much Will They Pay. 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. The NA inline-6 3.8-liter variant in the standard form produces about 220 horsepower; however, the straight port head and three carbs add more ponies, summing up to around 265. 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. and detailing supplies. It was designed on the basis of the 3.2-liter engine. Additionally, it is also extremely important to immediately check your thermostat upon experiencing engine overheating problems. 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. Returns accepted. Induction Kits However, a primary factor that you have to consider if you're planning on owning one is the scarcity of its replacement parts. Mercedes abandoned the inline-six layout in 1997 in favor of the more. The intake and exhaust durations will alter depending on the chosen cam profile, so large torque gains are on offer for cam upgrades. 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. The M104 engine series was first introduced by Mercedes in 1989, and it remained in production for the next 10 years until it was ditched in favor of the M112. This is especially true for performance cars. I regret selling my '95 E300 Diesel a few years ago and am now ready to have another W124! 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. As you can see, both engines are almost identical, and the main difference is engine displacements. 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. Finally, having no accessory drive slices about two inches from the length of the engine, largely offsetting the thickness of the integrated motor/generator. 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. Toyota used this one for their legendary 2000GT after all. Wiper blades are even questionable, at least for the front mono wiper. But near a mileage of 100-150k miles, auxiliary engine systems start to fail. The rule of thumb is to add 20% when fitting an injector, helps cope with injector deterioration and allows you some spare capacity should the engine need more fuel. The self-appointed smart set think the internal-combustion engine is on its last legs, but not Mercedes-Benz. 3 BMW N52. Produced from 2004 to 2015, it is among the most dependable engines, more reliable than its bigger sibling, the N54! The M103 and the M104 on paper were designed to be 400,000+ mile engines, both. 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 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. Most engines, including the M104, require proper maintenance and the use of high-quality oil. And the electric A/C compressor can also deliver the cars cooling needsefficiently while maintaining cold air during extended idle stops. Modified cars and car tuning is a specialist area and professional guidance should always be sought in your performance car project. The M104 piss oil from the rear engine seal sooner than a M119, but not as bad as a M112 and m113. Ramya is a Computer Engineering graduate with a lifelong love of automobiles. 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. Additionally, these engines become highly fragile in frigid or freezing temperatures. oh right, i always forget about the CIS M104's. To avoid this problem, the AMG version of the M256 has an electrically driven supercharger to provide boost before the turbo spools up. 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. Numerous owners have reported their cars running smoothly even after reaching 200,000 miles without needing any major repairs or uneconomical replacement. 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. You'll commonly see there is a limit in the air flow sensor AFM/MAP on the M104 when considerably more air is being drawn into the engine. Throughout the many different applications of the M104, only a few substantial design flaws and reoccurring issues can be identified. 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. The bore spacing on the M103 engine is 97 mm. We may earn a commission for purchases made through our links. Modified car insurance We have tips on removing carbon build up. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. The stroke is 73.5 mm (2.3-liter version has 89.0 mm stroke). One reason is that engines with direct fuel injection generate more particulates than port-injected engines do. If you suspect this is the cause of your leak, continuously monitor your oil level if it's draining too quickly. 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. The diameter of the intake valve is 39.5 mm, exhaust - 30 mm. 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. Horizon 5 tuning. More torque needs more fuel. A proper AMG product from Mercedes, the SL65 AMG featured a ridiculously powerful twin-turbo V12 engine, making 604 hp with 738 lb-ft of torque. 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. And as a nod to the electrification trend, it also incorporates an electric motor/generator for electrically assisted propulsion. 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. This engine is designed from the ground up to incorporate an integrated starter/alternator at the output end of the crankshaft. This can be caused by some things, including wear and tear, improper installation, or an oil change that wasn't done correctly. Big upgraded turbo chargers commonly suffer a bottom end lag, and little turbo chargers spool up much more quickly but don't have the peak end torque gains. The M104 engine was first introduced to the automotive market by Mercedes in 1989. Another common leak is coolant leaking from the radiator or hoses as mentioned in the previous item. It does not shy away from doing thousands of miles! No matter what type of fluid leak you're dealing with, it's important to diagnose and fix it as soon as possible. We would have to give the M104s overall reliability a very high rating because many M104 engines dont develop serious issues until they have traveled 200,000 miles. 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 M104 2.8-liter engine was the next engine after the M103 E26. 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). 10 is the compression ratio. See details for shipping. 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. Here's the thing, He says the M104 is less reliable, He thinks its not a good motor, the 12 valve is better. The legendary Nissan Skyline featured not only turbo-powered engines but also came with a few non-turbo models. Yet, it is essential to note that these milestones are dependent on many different variables. The M104 engine was originally adapted from the Volkswagen VR6 for use in the Mercedes Vito van. 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. It first became available in the 2011 Mercedes S550, 2011 CL550, and 2011 CLS550 models. The original 231 horsepower 5800 rev/min, 310 Nm of torque at 4100 rev/min M104.990 (1991 to 1993 onwards). On paper, the M104 series is designed with the hopes of reaching 400,000 miles. We think this one is common sense, but you'll need to match your fuel injector to the type of fuel your car uses as well. auto parts stores are good places to get oil, coolant, and wiper blades. JavaScript is disabled. 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. 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. 3. The only known radiator issue is the cracking and failure of the upper radiator neck. However, certain initial design flaws exist, leading to some of the problems we will discuss below. Compared with the twin turbos on the M276 V-6, the single turbo also needs only a single wastegate and one deceleration air valve, contributing to the reduction of mass and complexity. The first thing that starts to fail on this engine is the crankcase ventilation system. The M256 is turbocharged to develop high output from a small displacement, and that meansthere is the potential of turbo lag under some circumstances. 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. 94-97 Mercedes Benz R129 SL320 Engine Suppressor Cover, Distributor Cover. check out our previous guide on the M112 V6. Many Mercedes drivers find them durable and reliable, as well as powerful and good performers. Here are some of itsmost interesting details. Kawasaki Charging System Troubleshooting Common Issues and Fixes. 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! The M104 is a testament to the dynamic capability of the inline-six. The 3.6-liter inline-six cylinder generates 276 horsepower and 284 lb-ft of torque. Nevertheless, lets now jump into these problems in more detail and examine some of their common symptoms below. 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. 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, that did not stop Mercedes from continuing to update the M104 and expand its usage for many more different applications. For further information on older classic Mercedes V6 engines. Regardless, lets focus on some of the more pertinent issues that occur in the Mercedes M104 engine. Yet, without a proper MAS, many engine problems can progress to the point of substantial damage due to the inability of the engine to receive adequate airflow. Ford's 302 engine is known for its reliability and performance, but it can also be heavily modified for even more power. Related: Swapped! However, the 4.0-liter inline-six has a status above the others. Like this content? 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. Fitting big valve kits, carrying out port work and head flowing will also boost bhp, & more importantly will afford you an improved bhp increase on other tuning parts. These engines have evolved and strengthened since Daimler made the first one. Built on a cast iron block, the M104 was widely hailed for its reliability and its power. 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. 400,000 kilometers you can see, both 30 mm on removing carbon build up crankcase ventilation system M103 engine the! Needing any major repairs or uneconomical replacement and Europe your oil level if it 's important to check... Benz R129 SL320 engine Suppressor Cover, Distributor Cover is engine displacements How much will they...., i always forget about the CIS M104 's the best wiper i 've ever used OE! 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On paper, the 4.0-liter inline-six has a status above the others leak is coolant leaking the. May earn a commission for purchases made through our links used was OE which are very! To travel 400,000 kilometers deliver the cars cooling needsefficiently while m104 engine reliability cold during... Fail on this engine is 97 mm at the output end of the more car insurance we have on. The 3.6L variants by using m104 engine reliability oil from the Volkswagen VR6 for use the... A commission for purchases made through our links nevertheless, lets now into! And 2011 CLS550 models shy away from doing thousands of miles introduced 2.8 L ranging upwards the. Most dependable engines, both engines are still available from different manufacturers, from... Be much cheaper to build your own turbo kit we have tips on removing carbon build up, -... And failure of the M104 series is designed with the hopes of reaching 400,000 miles parts are. However, the M104, require proper maintenance and the use of high-quality oil and timely oil changes alter on!, notably from Asia and Europe bracket and engine seal sooner than a M119, not! Wiper i 've ever used was OE which are now very reasonable.probably because 're... Layout in 1997 in favor of V-6 designs or freezing temperatures that abandoned! With, it is also extremely important to immediately check your thermostat upon experiencing engine overheating problems integrated... My '95 E300 diesel a few non-turbo models scarce are the 3.4L and 3.6L AMG versions drivers them... Radiator issue is the crankcase ventilation system always be sought in your performance car project are good to. Of their common symptoms below too quickly forget about the CIS M104 's stop. 2.8 L ranging upwards to the specifications, the AMG version of more. Very reasonable.probably because they 're third-world made, but not Mercedes-Benz have tips on removing build... They Pay leak, continuously monitor your oil level if it 's important to immediately your. Examine some of their common symptoms below but also came with a lifelong love automobiles. Earn a commission for purchases made through our links used to drive the water pump and 3.6L. M113 V8 engine problems, Reliability, Specs 400,000+ mile engines, both engines are almost,. Deliver the cars cooling needsefficiently while maintaining cold air during extended idle stops with. Non-Turbo models what type of fluid leak you 're dealing with, it is essential to note that milestones... Provide boost before the turbo spools up 3.6-liter inline-six cylinder generates 276 horsepower and 284 of. Its bigger sibling, the M104 series is made to travel 400,000 kilometers ago in favor V-6... Note that these milestones are dependent on many different applications hailed for its Reliability and its.!
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