Mercedes-Benz CLK550 Problems by Model Year
NHTSA recorded 5 consumer complaints across the 1 model years of the Mercedes-Benz CLK550 (2007–2007) that have at least 5 complaints. 2007 has the most, with 5. Across all years, the part named most often is fuel system (3 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.
All CLK550 model years
Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.
| Year | Complaints | Median mi | Recalls | TSBs | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|
| 2007 | 5 | 63,460 | 4 | 56 | — | Not enough data |
Parts named most often, all years
Counts add up complaint mentions across the listed years. A complaint can name several parts.
- Fuel system3 50%
- Other or unknown1 17%
- Engine cooling1 17%
- Engine1 17%
Example complaints
One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.
2007: “Parked my car in my garage for the night, next morning my garage had a strong smell of gas. When I got in the car it was even stronger. Has been 3 days now and you can even smell the gas outside of the car when it's been parked.the overwhelming smell of gasoline inside cabin of my car is nauseating and I'm afraid it's gonna cause me to lose consciousness.”
NHTSA complaint #11378107, filed 2020-12, 82,000 milesOther Mercedes-Benz models
3,963 complaintsMercedes-Benz E350
2,215 complaintsMercedes-Benz E320
1,164 complaintsMercedes-Benz ML350
952 complaintsMercedes-Benz GLK350
901 complaintsMercedes-Benz ML320
740 complaintsMercedes-Benz C250
725 complaintsMercedes-Benz GLC 300
657 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Methodology