2007 Mercedes-Benz SL550 Engine Problems
- Complaints
- 1about this part
- Share
- 6%of 16 total for the year
- Median mileage
- —not reported
- 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 SL550, 6% of the 16 complaints for this model year.
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.
“2007 mercedes benz sl 550. Consumer writes in regards to several attempts to reach out to dealerships to repair vehicle engine failure. The spark plugs, valve, engine, transmission mounts and cam plugs on the left cylinder head were all replaced. However, two days later, the vehicle exhibited the same shake as before. As the consumer was driving home, the vehicle made a popping noise and lost all power. She later discovered the engine had exploded. The consumer stated a class action suit was sent to her home regarding an issue with shaft sprockets and idle gear.”
NHTSA complaint #10838368, filed 2016-02Related service bulletins
- 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 |
|---|---|---|
| 2013 | 4 | 24% |
| 2007 | 1 | 6% |
Other parts of the 2007 Mercedes-Benz SL550
8 complaintsElectrical system
3 complaintsSuspension
2 complaintsTransmission and drivetrain
2 complaintsAir bags
1 complaintsSteering
1 complaintsBody and structure
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2007 Mercedes-Benz SL550
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.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology