2007 Mercedes-Benz CLK550 Engine Problems
- Complaints
- 1about this part
- Share
- 20%of 5 total for the year
- Median mileage
- 72,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2007 Mercedes-Benz CLK550, 20% of the 5 complaints for this model year. Where a mileage was given, the median is 72,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2007 Mercedes-Benz CLK550. The contact stated that while driving 30 MPH, the coolant light illuminated as the vehicle stalled. The contact was not able to restart the vehicle and the vehicle was towed to a dealer. The dealer diagnosed that there was an unsecured clamp behind the firewall and as a result, the engine was destroyed and needed to be replaced. The contact did not have the engine replaced. The failure mileage was 72,000.”
NHTSA complaint #10538568, filed 2013-09, 72,000 milesRelated service bulletins
- 11017039Apr 1, 2025Complaint Vehicle with atypical reduced heat output. Cause Silicate granulate may have escaped from a damaged bag in the expansion reservoir (not visible), reducing the coolant…
- 10158329Oct 9, 2017Oil in engine wiring harness
- 11031629Oct 30, 2015To enhance the satisfaction of our customers, avoid further costs of litigation and return focus to its core businesses, Mercedes-Benz USA, LLC (MBUSA) entered into a settlement…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2007 | 1 | 20% |
Other parts of the 2007 Mercedes-Benz CLK550
← All problems reported for the 2007 Mercedes-Benz CLK550
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology