Mercedes CDI: common problems and engine life
The usual problem: injector seals and timing chain on 2.1 CDI. These engines usually reach about 400k km before needing major work, and a well-serviced one can go further.
Usually lasts~400k km
For sale now1,3550% already past ~400k km
Cars with this engine
| Model | Typical price | Typical km | For sale |
|---|---|---|---|
| Mercedes-Benz E-Class | €22,000 | 135k | 367 |
| Mercedes-Benz C-Class | €18,950 | 137k | 245 |
| Mercedes-Benz A-Class | €22,950 | 91k | 166 |
| Mercedes-Benz CLA-Class | €26,950 | 93k | 125 |
| Mercedes-Benz GLC-Class | €32,950 | 109k | 105 |
| Mercedes-Benz GLA-Class | €42,900 | 48k | 79 |
| Mercedes-Benz GLB | €44,000 | 53k | 68 |
| Mercedes-Benz CLS-Class | €28,000 | 142k | 48 |
| Mercedes-Benz GLE-Class | €42,950 | 138k | 37 |
| Mercedes-Benz S-Class | €39,900 | 127k | 35 |
Before you buy one
Ask for the service history (regular oil changes matter most), start it from cold yourself and listen for rattles, look for warning lights and smoke, and budget for the usual problem if there's no proof it's been sorted. The used car checklist covers the rest.