Mercedes M264 engines with a volume of 1.5 and 2.0 liters have been assembled at a factory in Germany since 2018 and installed on many models with a longitudinal engine, such as the C-Class or E-Class. This is a unit with cast iron sleeves, and its transverse version has the M260 index.
R4 Mercedes engines: M102, M111, M133, M139, M166, M200, M254, M260, M264, M266, M270, M271, M274, M282.
Specifications
| Production years | since 2018 |
| Displacement, cc | 1497 (M 264 E15 DEH LA) 1991 (M 264 E20 DEH LA) |
| Fuel system | direct injection |
| Power output, hp | 156 – 184 (M 264 E15 DEH LA) 197 – 299 (M 264 E20 DEH LA) |
| Torque output, Nm | 250 – 280 (M 264 E15 DEH LA) 320 – 400 (M 264 E20 DEH LA) |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 80.4 (M 264 E15 DEH LA) 83 (M 264 E20 DEH LA) |
| Piston stroke, mm | 73.7 (M 264 E15 DEH LA) 92 (M 264 E20 DEH LA) |
| Compression ratio | 10.5 |
| Features | BSG 48V |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | Camtronic |
| Turbocharging | IHI AL0086 (M 264 E15 DEH LA) MHI TD04L6W (M 264 E20 DEH LA) |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 6.6 |
| Fuel type | petrol |
| Euro standards | EURO 6 |
| Fuel consumption, L/100 km (for Mercedes-Benz C200 2019) — city — highway — combined |
9.3 5.5 6.9 |
| Engine lifespan, km | ~260 000 |
| Weight, kg | 135 |
The engine was installed on:
- Mercedes C-Class W205 in 2018 – 2021;
- Mercedes CLS-Class C257 since 2018;
- Mercedes E-Class W213 since 2018;
- Mercedes GLC-Class X253 since 2019.
Disadvantages of the Mercedes M264 engine
- There are already cases of piston damage due to detonation caused by low-octane gasoline.
- Even on specialized forums, a couple of cases of very expensive repair of the Camtronic system are described.
- Through the fault of direct injection, carbon deposits form on the intake valves and engine speed fluctuates.
- There are also several complaints about BSG 48V glitches, it is discharged and does not want to be charged.
