AI Damage2003 Mercedes-Benz C240: common problems
Owners of the 2003 Mercedes-Benz C240 filed 20 complaints with NHTSA, most often about fuel/propulsion system and air bags. Details by component below, with sources.
Key figures
- Owner complaints
- 20
What fails most often
- 1 Fuel/propulsion system 40% of all complaints
- 2 Air bags 25% of all complaints
- 3 Electrical system 20% of all complaints
- 4 Engine 10% of all complaints
- 5 Exterior lighting 10% of all complaints
- 6 Structure 10% of all complaints
- 7 Tires 10% of all complaints
- 8 Visibility 10% of all complaints
- Fuel/propulsion system: 8 complaints (40% of all).
- Air bags: 5 complaints (25% of all).
- Electrical system: 4 complaints (20% of all).
- Engine: 2 complaints (10% of all).
- Exterior lighting: 2 complaints (10% of all).
Symptoms owners describe
How many of the 20 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) |
|---|---|---|---|
| Fuel/propulsion system | 8 | 0 | 0 |
| Air bags | 5 | 0 | 0 |
| Electrical system | 4 | 0 | 0 |
| Engine | 2 | 0 | 0 |
| Exterior lighting | 2 | 0 | 0 |
| Structure | 2 | 0 | 0 |
| Tires | 2 | 0 | 0 |
| Visibility | 2 | 0 | 0 |
| Electronic stability control | 1 | 0 | 0 |
| Seat belts | 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.
The PRINX tires and the dealer - Mavis Tires, Auburn Avenue, Columbus, Georgia, are equally to blame for the flat I had in traffic endangering myself and other motorists with Brand New Prinx Tires, and also the skid I had at an intersection in Columbus Georgia.
2003 mercedes benz c240. Consumer writes in regard to rust issue with vehicle.
Consumer writes in regards to sunroof glass bonding safety recall. The consumer stated the roof contiuously became rusted due to a water leak.
Tl* the contact owns a 2003 mercedes-benz c240. The contact received notification of nhtsa campaign number: 19v918000 (visibility) however, the part to do the recall repair was unavailable.
As a time my vehicle needs to be renewal with california dmv , the recall part has not been available from mercedes manufacture. Mercedes benz does not provide any future time frame for the recall part that will effects on my vehicle registration renewal with dmv (it also means my renewal with dmv will be on hold and…
Harmonic balancer /crank pulley wobbling very bad . Afraid it will come apart and cause catastrophic damage while my kids are driving. Mercedes covered this part under same engine family but only from model years 1998-2001. Would like them to take responsibility for the same faulty part as the others.
The passenger headlight will not work; we tried 3 bulbs. The panel displays a message stating one of the tag lights is out, but it actually works.
Srs light came on with 1 malfunction. The restraint system. I took it to the workshop to have the scan codes checked. The code reader said that there is a problem with one of the airbags. The mechanic thinks that the airbags are disabled.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 8,257 of 36,656 model years in the NHTSA data (top 23% most complained about).
On average one model year of the C240 has 15 complaints (6 years in the data). This year has 20, above average.
What to check before buying
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
- Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
Other years of this model
Questions and answers
What are the most common problems with the 2003 Mercedes-Benz C240?
Owner complaints to NHTSA most often mention: fuel/propulsion system, air bags, electrical system. Total complaints: 20. The most frequent symptoms in complaint texts: warning lights, check engine (20%), airbag warning light (15%), rust, corrosion (10%).
How many service bulletins (TSB) were issued for the 2003 Mercedes-Benz C240?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2003 Mercedes-Benz C240 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2003 models
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 2026-11-05.