The 4.6-liter V8 twin-turbocharged Mercedes M278 engine was introduced in 2010 as a replacement for the well-known M273 engine under the hood of the popular E, S and GL class models. The power unit is offered only in one volume, but in different degrees of forcing.
The V8-family includes: M113 E43, M113 E50, M113 E55, M119 E42, M119 E50, M119 E60, M156, M157, M177, M273, M278.
The BENZ M278 Engine was installed on:
- For Mercedes CL-Class C216 in 2010 – 2014; CL-Class C217 in 2014 – 2017;
- For Mercedes CLS-Class W218 in 2011 – 2018;
- For Mercedes E-Class W212 in 2011 – 2016;
- For Mercedes GL-Class X166 in 2012 – 2015;
- For Mercedes GLE-Class W166 in 2015 – 2018;
- For Mercedes GLS-Class X166 in 2015 – 2019;
- For Mercedes ML-Class W166 in 2012 – 2015;
- For Mercedes S-Class W221 in 2011 – 2013; S-Class W222 in 2013 – 2017;
- For Mercedes SL-Class R231 in 2012 – 2020.
| Production years | since 2010 |
| Displacement, cc | 4663 |
| Fuel system | direct injection CGI |
| Power output, hp | 367 – 408 (M 278 DE 46 AL red.)-435 – 455 (M 278 DE 46 AL) |
| Torque output, Nm | 550 – 600 (M 278 DE 46 AL red.)-700 (M 278 DE 46 AL) |
| Cylinder block | aluminum V8 |
| Block head | aluminum 32v |
| Cylinder bore, mm | 92.9 |
| Piston stroke, mm | 86 |
| Compression ratio | 10.5 |
| Features | Bi-Turbo |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | yes |
| Turbocharging | two Garrett MGT1752SM |
| Recommended engine oil | 0W-40 |
| Engine oil capacity, liter | 8.5 |
| Fuel type | petrol |
| Euro standards | EURO 5/6 |
| Fuel consumption, L/100 km (for Mercedes CLS 500 2012)— city— highway— combined | 12.5-6.9-9.0 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 220 |
Packing & Delivery
Purchase Instructions：
1. For countries that can support door-to-door delivery, customs formalities, and duties will be handled by us.
2. During the delivery process, we will maintain close communication with the logistics company to ensure real-time updates on the status of your shipment.
3. If you need faster transportation (e.g. air freight), please contact our customer service staff in advance, so that we can provide quotes and services.
4. We provide comprehensive after-sales service with 12-18 months warranty.
5. If you need to buy in bulk, please be sure to contact us for consultation. The customer service staff will provide favorable quotations payment methods and other information according to your needs.
6. If you encounter any problems during the use, please feel free to contact our customer service team, we will be happy to help you.
The BENZ M278 machine is a real car engine. Not a model.
We are a company with more than 10 years of production experience specializing in a full range of automotive engines for Mercedes-Benz, BMW, Land Rover, Hyundai, Volkswagen, Toyota, Honda &, etc. Also with Piston, Valve Cover, Oil Pump, Cylinder block, and other accessories. If you need anything, please feel free to contact me at any time. Quotes will be provided.
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