The 4.0-liter twin-turbo V8 engine of the Mercedes M177 has been assembled in Germany only since 2015 and is installed on AMG versions of such models as the C-Class, E-Class, S-Class, G-Class, and GLS-Class. In addition to the standard one, there is a hybrid modification with an electric motor producing 22 hp and 250 Nm.
Mercedes V8 family: M113 E43, M113 E50, M113 E55, M119 E42, M119 E50, M119 E60, M156, M157, M176, M177, M273, M278.
Specifications M177DE40AL
| Production years | since 2015 |
| Displacement, cc | 3982 |
| Fuel system | direct injection |
| Power output, hp | 476 – 639 |
| Torque output, Nm | 650 – 900 |
| Cylinder block | aluminum V8 |
| Block head | aluminum 32v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 92 |
| Compression ratio | 10.5 (version LS2 – 8.6) |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | on all shafts |
| Turbocharging | two BorgWarner B03G |
| Recommended engine oil | 0W-40 |
| Engine oil capacity, liter | 9.0 |
| Fuel type | petrol |
| Euro standards | EURO 6 |
| Fuel consumption, L/100 km (for Mercedes C63 AMG 2017) — city — highway — combined |
11.0 6.9 8.4 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 209 |
The engine was installed on:
- Aston Martin DB11 1 (AM5) in 2016 – 2023;
- Aston Martin DB12 1 (AM5) since 2023;
- Aston Martin DBX 1 (AM8) since 2020;
- Aston Martin Vantage 3 (AM6) since 2018;
- Mercedes AMG GT X290 since 2018;
- Mercedes C-Class W205 in 2015 – 2023;
- Mercedes E-Class W213 in 2017 – 2023;
- Mercedes G-Class W463 since 2018;
- Mercedes GLC-Class X253 in 2017 – 2022;
- Mercedes GLE-Class W167 since 2020;
- Mercedes GLS-Class X167 since 2020;
- Mercedes S-Class W222 in 2017 – 2020;
- Mercedes SL-Class R232 since 2021.
Disadvantages of the Mercedes M177 engine
- First of all, this engine does not like tuning very much; its connecting rods cannot withstand;
- However, in stock it has a good service life and with proper maintenance it does not bother you;
- Even the Nanoslide coating instead of cast iron sleeves serves without any special problems;
- It is important to use only high-quality fuel or the injectors will quickly fail;
- Some owners experienced oil pump failure on runs up to 100,000 km;
- Also on specialized forums they often complain about leaks and low service life of spark plugs and ignition coils;
- A recall campaign was carried out to replace the turbine oil pipeline and drain plug.
Frequently asked questions about the Mercedes M177
How much power does the Mercedes M177 make?
The Mercedes M177 develops 476 - 639 hp and 650 - 900 Nm of torque.
How much oil does the Mercedes M177 take and which one?
Engine oil capacity: 9.0 liters. Recommended oil: 0W-40.
Does the Mercedes M177 have a timing belt or chain?
The Mercedes M177 uses a timing chain.
Is the Mercedes M177 turbocharged?
Yes, the Mercedes M177 is turbocharged (two BorgWarner B03G).
Does the Mercedes M177 need valve clearance adjustment?
No, the Mercedes M177 has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Mercedes M177 last?
The typical lifespan of the Mercedes M177 is ~250 000 km with proper maintenance.
What is the fuel consumption of the Mercedes M177?
Mercedes C63 AMG 2017: city 11.0, highway 6.9, combined 8.4 L/100 km.
What cars was the Mercedes M177 installed on?
Aston Martin DB11 1 (AM5) in 2016 - 2023; Aston Martin DB12 1 (AM5) since 2023; Aston Martin DBX 1 (AM8) since 2020; Aston Martin Vantage 3 (AM6) since 2018; Mercedes AMG GT X290 since 2018; Mercedes C-Class W205 in 2015 - 2023 and 7 more (see the full list above).
What are the common problems of the Mercedes M177?
First of all, this engine does not like tuning very much; its connecting rods cannot withstand. However, in stock it has a good service life and with proper maintenance it does not bother you. All known problems.
