This supercharger, which is located downstream of the turbocharger, uses a centrifugal flow compressorlike the compressor side of a turbodriven by a 48-volt electric motor. Required fields are marked *. Horizon 5 tuning. 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. Join our forum today and benefit from over 300,000 posts on tuning Wiper blades are even questionable, at least for the front mono wiper. Csaba Csere joined Car and Driver in 1980 and never really left. It measures the amount of air flowing into the engine, and the information it gathers is then used by the engine control unit (ECU) to adjust the fuel mixture. 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. 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 AMG conversions were the last to be produced. The Mercedes M104 engine can be quite reliable if you maintain it well. Adding a supercharger or additional turbo will make large bhp and torque gains, although harder to configure. You can leave a response below or join our forum to discuss this article and car modification in detail with our members. It is robust, reliable, and carries a prominent character. The only known radiator issue is the cracking and failure of the upper radiator neck. It was designed on the basis of the 3.2-liter engine. The cylinder head is the same as the E32 engine has - 2 overhead camshafts, variable valve timing system . Notify me of follow-up comments by email. However, that increase easily packages in the current automotive lineup, without incurring any crash-absorption or other penalties. This engine has its crankshaft and cylinder block. Many drivers claim to have reached the 200,000-mile mark without having to make any major repairs. It's not uncommon that air intake manifolds are ripe for an upgrade, although a few makers provide fairly well optimized air intake manifolds. The stroke is 73.5 mm (2.3-liter version has 89.0 mm stroke). In addition, parts may be difficult to source for many of the different models that use the M104. Mine's a 1991 CE. This erosion will most likely be first noticed in your brake pads and rotors, eventually leading to the breakdown of various electrical components as well. Induction Kits One of its famous engines that embodies the philosophy of Mercedes is the M104 which has seen so many applications not just in Mercedes models, but with other brands as well. Your email address will not be published. Replacing the radiator hose is a bit more complicated, but it can also be done at home with the help of a repair manual. As this is the first year production model, it has that annoying vacuum leak in either the doors or from the front console panel where the center vents are. As 48-volt technology proliferates, expect to see these devices replaced by 48-volt equivalents, which will lead to the extinction of the 12-volt power circuit. Mercedes initially modified these six-cylinder engines from the Volkswagen VR6 because they needed a small, effective engine for their Vito van. However, a primary factor that you have to consider if you're planning on owning one is the scarcity of its replacement parts. Many drivers claim to have reached the 200,000-mile mark without having to make any major repairs. Remaps allows a tuner to unlock the full potential of all the mods you've done to your M104. Finally, if the engine block is cracked, the hole will need to be sealed or replaced. A 48-Volt Integrated Starter/Alternator. Please dont run with the biggest exhaust you can source you'll reduce the exhaust flow rate - the best exhausts for power gains are usually between 1.5 to 2.5 inches. Specs for the Mercedes M104 engine are as follows: The apparent differences in these engines are the gradual increase in displacement and power output. $41.50. Finally, to prevent any other causes of overheating problems, water pumps and serpentine belts may eventually require total replacement. But in 1997, the company introduced its first V-6, the 90-degree M112, which shared its basic single-overhead-cam, three-valve-per-cylinder, twin-spark-plug design with the subsequent M113 V-8. Mine was overhauled at 420k kms after its second head gasket failure. Like the Jaguars' E-Type, this engine is also somewhat timeless. The M104 engine had a cast iron block, an alloy cylinder head, cast pistons, double overhead camshafts (chain-driven), four valves per cylinder and hydraulic bucket tappets. Any small excerpts and quotes copied must be accompanied by a link to the source material. Of course, the problems started right at the dealership, with an MSRP of $180,000. The only m104 don't recommend is the 104.980. establishes the Mercedes-Benz 300 SE / SEL W140 as the powerplant. check out our previous guide on the M112 V6. Overall though, the Mercedes M104 is definitely a banger, and it deserves all the praise that it has gotten over the years. If you have a water leak, it's likely coming from the water pump. And yes, aside from head gasket issues, it's pretty bulletproof. They also help the scavenging effect of the engine. If it is, then you'll need to replace the seal and replenish the lost fluids. One is a coolant leak. 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 M103 was replaced by the M104 starting in 1989. More torque needs more fuel. 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 bore spacing on the M103 engine is 97 mm. 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 2.8 and 3.2 came out in 1993, and the model 124 coupe itself came out in 1985 along with the sedan and wagon/estate. Has a Mercedes-Benz E 320 W210 fit. combined 11.0. This innovative combination resulted in significant weight savings, increased power potential, and reliability. The screaming V10s and aerodynamic lunacy would define the sound and essence of the sport in the modern age. Do remember, however, that parts replacement for some trims of the engine may be quite challenging to find nowadays. 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. It would be much cheaper to build your own turbo kit. Additionally, worn valve stems can also be a common cause of nagging leaks and higher oil consumption. These are simply the most common reported issues we found for the M104 series. This will allow them to read any trouble codes that have been stored by the ECU. And such a powerful motor can quickly and effortlessly restart the engine during idle-stop mode. 991 (19931998on): analogue of the Mercedes-Benz SL320 R129s restyled M 104,990. 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 powerplant was also applied to the products of other automotive brands such as Roewe, Heuliz, Status & Class, and SsangYong. Its also related to the Fiat-Chrysler 3.6L Pentastar V6 engine since Mercedes was owned by FCA at the time. Like this content? Ford Australia made the Barra 195 for the Australian market. highway 8.5 Non-AMG Mercedes-Benz models will employ a lower-output version of the M256, without the electric supercharger but with the motor/generator and 48-volt systems. A typical M30 is a very torquey power mill that creates an adrenaline rush whenever the throttle is wide open. JavaScript is disabled. Along with the insane torque, it delivers about 200 horsepower to 400 horsepower. 1. Another possible cause of overheating is a failing water pump. Now they are starting to appear on gasoline engines as well. Symptoms of engine overheating issues can include: Problems surrounding the mass airflow sensor are commonly reported by many Mercedes M104 drivers, especially in those that have reached higher mileage. It is one of the most costly upgrades but provides the best gains. 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. Nevertheless, there are a lot of advantages to the Mercedes M104 engine. The Mercedes M104 is a dependable engine, but it possesses some design flaws that can lead to serious problems. Oil leaks are a frequent, bothersome problem with many engines. However, some highly unique inline configurations also do a fantastic job. Proper upkeep and high-quality oil usage are vital for most engines, including the M104. And the electric A/C compressor can also deliver the cars cooling needsefficiently while maintaining cold air during extended idle stops. Is that MB paper. With these two quick responses, theres no need to fit a tiny turbocharger to minimize turbo lag. Tuning the Mercedes M104 and best M104 performance parts. MPG calculator The RB26DE is a 2.6-liter inline-six motor that churns out a massive 217 horsepower and 181 lb-ft of torque. Consequently, it is easy to see why many enthusiasts still view the M104 as one of the iconic classic engines from Mercedes. It also came with many options ranging from 2.0-liter to 4.0-liter. Mine was overhauled at 420k kms after its second head gasket failure. High oil consumption. This can be caused by oil, dirt, or water entering the air ducts. Only used synthetic oil. 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. They made the engine substantial and can be able to do over 300,000 miles. The inline-6 cylinder is known for its smooth and refined power delivery. 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. MERCEDES BENZ 94-99 W124 M104 ENGINE 24V 3.2 CYLINDER HEAD R1040161601 TESTED. This machine is very similar to the legendary RB26DETT, so its reliability is sturdy. Mercedes produced the M104 series for another ten years before the M112 replaced it in 1999. Mercedess Nine Decades of Six-Cylinder History. They build the engine excellently, and Yamaha's help is noticeable. However, the 4.0-liter inline-six has a status above the others. The cam profile plays a big part in the engines power output so cam upgrades make quite a large difference. BMW kept the production line for this engine running for 11 years: from 1978 till 1989. 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. 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. Free shipping. 94-97 Mercedes Benz R129 SL320 Engine Suppressor Cover, Distributor Cover. There are common areas of failure for every engine, with some being over specified and some only just able to handle stock power. 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