AdBlue / SCR faults
usually 100,000–180,000 km · Medium risk
Signs: AdBlue warning
Fix: Replace NOx sensor or doser
€300–1,000
Engine: common problems, timing drive and oil
2.0 d (Mercedes OM654)
Diesel · 1,950 cm³ · 100–194 kW
15
model generations
1
known faults
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
Fuel: Diesel. Timing drive: chain.
In our database this engine is fitted to 15 model generations, among them: Mercedes-Benz C-Class (W205), Mercedes-Benz E-Class (W213), Mercedes-Benz A-Class (W177), Mercedes-Benz GLC (X253), Mercedes-Benz CLA (C118), Mercedes-Benz Vito (W447) and 9 more.
The most expensive known risk is adBlue / SCR faults: it usually appears at 100,000–180,000 km and costs €300–1,000 to fix.
Key facts
| Fuel | Diesel |
|---|---|
| Displacement | 1,950 cm³ |
| Power | 100–194 kW |
| Years | 2016–2027 |
| Timing drive | Chain |
| Oil | 0W-20 / 5W-30 · MB 229.52 / 229.71 · ~6.5 L · every 15,000 km |
| Engine codes | OM654 |
Known engine faults
Faults that belong to the engine itself. They apply to every model with this engine, and each model has its own extra faults on its model page.
Engine-related service
Intervals and typical prices, using the Mercedes-Benz C-Class (W205) as an example. The app gives the exact plan for your car.
| Item | Interval | Typical price |
|---|---|---|
| DPF health check (soot / ash load)Emissions | every 20,000 km | €0–60 |
| Engine oil + oil filterEngine | every 15,000 km or every 12 months | €70–150 |
| AdBlue top-upEmissions | every 15,000 km | €10–30 |
| Air filterEngine | every 30,000 km or every 24 months | €15–45 |
| Fuel filterFuel | every 30,000 km or every 24 months | €40–110 |
| Glow plugsEngine | every 100,000 km | €120–300 |
| Auxiliary (serpentine) beltEngine | every 120,000 km | €70–180 |
| Coolant replacementCooling | every 150,000 km or every 96 months | €70–150 |
| Timing chain inspection (listen on cold start)Engine | every 150,000 km | €0–120 |
Models with this engine
Model generations this engine is fitted to.
Mercedes-Benz A-Class (W177) 2018–Mercedes-Benz B-Class (W247) 2018–Mercedes-Benz C-Class (W205) 2014–2021Mercedes-Benz C-Class (W206) 2021–Mercedes-Benz CLA (C118) 2019–Mercedes-Benz CLS (C257) 2018–2023Mercedes-Benz E-Class (W213) 2016–2023Mercedes-Benz E-Class (W214) 2023–Mercedes-Benz GLA (H247) 2020–Mercedes-Benz GLB (X247) 2019–Mercedes-Benz GLC (X253) 2015–2022Mercedes-Benz GLC (X254) 2022–Mercedes-Benz GLE (V167) 2019–Mercedes-Benz Sprinter (907 / 910) 2018–Mercedes-Benz Vito (W447) 2014–
Common questions
Does the 2.0 d (Mercedes OM654) engine have a timing chain or a timing belt?
Chain.
What oil does the 2.0 d (Mercedes OM654) engine take?
0W-20 / 5W-30 · MB 229.52 / 229.71 · ~6.5 L · every 15,000 km.
What are the known problems with the 2.0 d (Mercedes OM654) engine?
The faults with the highest risk: adBlue / SCR faults (100,000–180,000 km, €300–1,000).
Which cars have the 2.0 d (Mercedes OM654) engine?
Mercedes-Benz C-Class (W205), Mercedes-Benz E-Class (W213), Mercedes-Benz A-Class (W177), Mercedes-Benz GLC (X253), Mercedes-Benz CLA (C118), Mercedes-Benz Vito (W447) and 9 more.
Sources and notes
Faults, intervals and prices are indicative and collected from public sources and owner experience; always rely on the service book and a qualified workshop. Test statistics: DVSA – Anonymised MOT tests and results, Open Government Licence v3.0. Dutch tests: RDW Open Data (CC0). Owner complaints: NHTSA ODI (public domain). Recalls: DVSA Vehicle Safety Branch Recalls Database, OGL v3.0. Brand and model names are trademarks of their owners and are used only to describe the vehicles.
Updated 08/10/2026