2007 Mercedes-Benz CLK: common problems
Owners of the 2007 Mercedes-Benz CLK filed 3 complaints with NHTSA, most often about fuel/propulsion system and equipment. Details by component below, with sources.
Key figures
- Owner complaints
- 3
What fails most often
- 1 Fuel/propulsion system 67% of all complaints
- 2 Equipment 33% of all complaints
- Fuel/propulsion system: 2 complaints (67% of all).
- Equipment: 1 complaints (33% of all).
Symptoms owners describe
How many of the 3 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 | 2 | 0 | 0 |
| Equipment | 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.
After filling up the gas tank and parking it in the garage it gives off a terrible gas odor which gets more and more strong the longer the car is in the garage. Once the cars fuel tank empties somewhat it seems to not emit the gas odors as much . Shame on mercedes usa for not doing a recall on this hazard.
The contact inspected the vehicle and noticed that there was fuel leaking from the vehicle. The vehicle was taken to a dealer where it was diagnosed that the fuel sending unit needed to be replaced. The manufacturer was not notified of the failure. The vehicle was not repaired.
The contact stated that the air conditioner would not blow any air out the vents. The vehicle was inspected by a dealer and they stated that the air conditioner was working properly. The manufacturer was notified and they offered no assistance. The failure and current mileages were approximately 1,136.
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 17,152 of 36,659 model years in the NHTSA data (top 47% most complained about).
On average one model year of the CLK has 2 complaints (9 years in the data). This year has 3, above average.
What to check before buying
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
Other years of this model
Questions and answers
What are the most common problems with the 2007 Mercedes-Benz CLK?
Owner complaints to NHTSA most often mention: fuel/propulsion system, equipment. Total complaints: 3. The most frequent symptoms in complaint texts: A/C or heater (33%), fuel system, fuel smell (33%).
How many service bulletins (TSB) were issued for the 2007 Mercedes-Benz CLK?
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 2007 Mercedes-Benz CLK 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 2007 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 2026-11-06.