2012 Mercedes-Benz SLK350 Transmission and drivetrain Problems
- Complaints
- 1about this part
- Share
- 8%of 12 total for the year
- Median mileage
- 4,900miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the transmission and drivetrain of the 2012 Mercedes-Benz SLK350, 8% of the 12 complaints for this model year. Where a mileage was given, the median is 4,900 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.
“Transmission wouldn't go into gear. Car lost power on freeway. Many repairs last one being electronic gas pedal. ## VIN passed ## mercedes SLK350 2012 ##”
NHTSA complaint #10494364, filed 2013-01, 4,900 milesRelated service bulletins
- 11035005Jul 14, 2026Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of…
- 11019018May 21, 2025Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse…
- 11013332Jan 15, 2025Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing…
- 11010818Nov 20, 2024Complaint Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick test and/or no communication possible with VGS. Cause…
Transmission and drivetrain: other model years
Other parts of the 2012 Mercedes-Benz SLK350
3 complaintsOther or unknown
3 complaintsAir bags
1 complaintsElectrical system
1 complaintsEngine
1 complaintsSeats
1 complaintsSteering
1 complaintsBody and structure
1 complaintsSuspension
1 complaintsWheels
1 complaints
← All problems reported for the 2012 Mercedes-Benz SLK350
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