2012 Mercedes-Benz SLK350Problems, recalls & complaints
NHTSA has logged 12 owner complaints about the 2012 Mercedes-Benz SLK350, most often about the fuel/propulsion system. It has no vehicle safety recalls on record.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through September 2, 2026. Updated daily.
Where the 2012 Mercedes-Benz SLK350 has problems
12 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Fuel/propulsion system | 3 | 0 |
| Engine | 1 | 0 |
| Power train | 1 | 0 |
| Seats | 1 | 0 |
| Steering | 1 | 0 |
| Structure | 1 | 0 |
| Suspension | 1 | 0 |
| Air bags | 1 | 0 |
| Wheels | 1 | 0 |
| 1 other systems | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
2012 Mercedes-Benz SLK350 recalls and how many were fixed
No vehicle safety recalls are on record for this model year.
2012 vs. every other SLK350 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the SLK350 median. How we score
- Avoid
- Caution
- Solid
- Best
- Not rated
NHTSA defect investigations
Federal investigations that included the 2012 Mercedes-Benz SLK350, and the recalls they led to.
- Desiccated Air Bag Inflator RuptureOpen
What SLK350 owners report
Recent fuel/propulsion system complaints filed with NHTSA, shortened. Personal details are removed.
My mechanic says it's the fuel filter and it has been discontinued. I am a single woman and I am now afraid to drive my car. l am stressed about breaking down or being killed. Please help me. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
TRANSMISSION WOULDN'T GO INTO GEAR. CAR LOST POWER ON FREEWAY. MANY REPAIRS LAST ONE BEING ELECTRONIC GAS PEDAL. *TR ## VIN PASSED ## MERCEDES SLK350 2012 ##
I PARKED MY CAR WITH AN ALMOST FULL TANK OF GAS WHILE I WAS AT WORK. AFTER LEAVING WORK, I STARTED THE CAR AND WHILE I WAS DRIVING I SMELLED A STRONG GASOLINE ODOR, AND IN ABOUT 3 MILES THE ENGINE ACTED LIKE IT WAS RUNNING OUT OF FUEL, THEN DIED ON A FREEWAY OFF-RAMP DUE TO FUEL EXHAUSTION. A…
Own a 2012 SLK350?
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