AI DamageMercedes-Benz 203: problems, complaints, bulletins
Summary for the Mercedes-Benz 203 across 3 model years: 4 owner complaints and 0 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
| Year | Owner complaints | involving a crash | Technical service bulletins (TSB) | YouTube repair videos |
|---|---|---|---|---|
| 2003 | 1 | 0 | 0 | 0 |
| 2002 | 1 | 0 | 0 | 0 |
| 2001 | 2 | 0 | 0 | 0 |
What fails most often
- 1 Engine and cooling 25% of all complaints
- 2 Powertrain 25% of all complaints
- 3 Seat belts 25% of all complaints
- 4 Seats 25% of all complaints
- Engine and cooling: 1 complaints (25% of all).
- Powertrain: 1 complaints (25% of all).
- Seat belts: 1 complaints (25% of all).
- Seats: 1 complaints (25% of all).
Symptoms owners describe
How many of the 4 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine and cooling | 1 | 0 | 0 |
| Powertrain | 1 | 0 | 0 |
| Seat belts | 1 | 0 | 0 |
| Seats | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
I) when I was driving along and noticed that there was no pick up of power at all at the intermiate.the maximum speed is about 100km/h, and it took an age to accelerate, maximum rpm do not more than 2500rpm. I dropped it from d to 3, and the revolutions per minute(rpm) increased, but the power output didn't.
Seat control modules are staying powered with the key removed from the ignition in 2001-2003 mercedes benz c320's. In reviewing other owner complaints on benzworld.org, this is a common problem causing the battery to die and the driver to be stranded (and potentially worse problems).
2) possible failure during driving and possible overheat or unknown problem down the road. 3) have giving to dealer more then 5 times to fix the vibration problem. Since visit(with in warranty period), dealer had replaced leaking radiator, engine mount, drive shaft, flash tourqe converter and new transmission.
Seat belt latch inoperative. Dealer has been unable to replace in two weeks, says part is on "back order." previously had difficulty obtaining warranty service for replacement of turn signal wiring harness, took two and a half months while they "ordered the part."
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
What to check before buying
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Seat belts. Belt pretensioners after airbag deployment, SRS codes.
- Seats. Occupant sensor, power adjustment, seat mounts.
Other models of this make
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-06.