Mercedes-Benz CLK350 Problems by Model Year
NHTSA recorded 102 consumer complaints across the 4 model years of the Mercedes-Benz CLK350 (2006–2009) that have at least 5 complaints. 2007 has the most, with 42. Across all years, the part named most often is fuel system (33 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.
All CLK350 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 |
|---|---|---|---|---|---|---|
| 2009 | 8 | 75,739 | 3 | 36 | — | Not enough data |
| 2008 | 15 | 54,000 | 3 | 37 | — | Falling |
| 2007 | 42 | 68,500 | 4 | 57 | Not compared (before 2008) | Falling |
| 2006 | 37 | 70,000 | 4 | 50 | Not compared (before 2008) | Falling |
Parts named most often, all years
Counts add up complaint mentions across the listed years. A complaint can name several parts.
- Fuel system33 33%
- Air bags15 15%
- Electrical system13 13%
- Engine11 11%
- Transmission and drivetrain10 10%
- Visibility (wipers, defrost, mirrors)8 8.0%
- Seats5 5.0%
- Exterior lighting5 5.0%
Example complaints
One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.
2007: “Bought the vehicle at 42k miles 3 years and it smells fuel inside the vehicle and the garage for a couple of days on each tank fill up. It smells so bad I have leave the garage door open sometimes so that my house does not catch fire along the vehicle. Searched online a lot of owners of the same vehicle have the same complaint.”
NHTSA complaint #11301880, filed 2020-01, 42,000 miles2006: “On 10/26/20 I was rear end, I own a 2006 clk 350 mercedes. I was sitting still in my , a car hit be in the rear causing my head restraint to deploy. From that dual impact, I sustain traumatic brain injury ,lumbar and cervical injury and diplopia ( double vision) ringing in ear (tinnitus) equilibrium,”
NHTSA complaint #11404440, filed 2021-03, 128,000 miles2008: “Takata recall. Srs light came on. Took car to dealership. Advised that airbag in passenger seat had high resistance.the seat back was removed and airbag replaced. Approximately 3 weeks later and $981.00 my car was returned to me.”
NHTSA complaint #10939041, filed 2017-01, 99,392 milesOther Mercedes-Benz models
3,965 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
659 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Methodology