The 2.0-liter Mercedes M260 engine has been produced at the Sindelfingen plant since 2018 and is installed on models with a transverse powertrain, such as the A-Class and B-Class. This is a motor with cast iron liners, and its longitudinal version has the M264 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 | 1991 |
| Fuel system | direct injection |
| Power output, hp | 190 – 306 |
| Torque output, Nm | 300 – 400 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 92 |
| Compression ratio | 10.5 |
| Features | BSG 48V |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | Camtronic |
| Turbocharging | IHI AL0069 |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.8 |
| Fuel type | petrol |
| Euro standards | EURO 6 |
| Fuel consumption, L/100 km (for Mercedes-Benz A250 2020) — city — highway — combined |
8.8 5.3 6.6 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 135 |
The engine was installed on:
- Mercedes A-Class W177 since 2018;
- Mercedes B-Class W247 since 2019;
- Mercedes CLA-Class C118 since 2019;
- Mercedes CLA-Class X118 since 2019;
- Mercedes GLA-Class H247 since 2020;
- Mercedes GLB-Class X247 since 2019.
Disadvantages of the Mercedes M260 engine
- Use quality fuel as there are cases of piston damage due to detonation.
- Rarely, but still there are failures of the Camtronic system, and its repair is very expensive.
- Through the fault of direct injection, carbon deposits form on the intake valves and engine speed fluctuates.
- Gasoline engines of this line received a particulate filter, its resource is interesting.
