2012 Mercedes-Benz SLK-Class reliability
Owners have filed 12 complaints with NHTSA about the 2012 Mercedes-Benz SLK-Class over 15 years — 1 per year. That is the most complaints per year among the 5 SLK-Class years on this site. NHTSA has no recalls on file for this model year.
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The complaints owners file most often name Fuel and propulsion system (3 of 12), then Air bags (1) and Electrical system (1). Those filings include 1 that reports an injury.
The 2013 SLK-Class has 9 complaints, 1 per year. The 2012 has more complaints per year than the 2013.
The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2012 Mercedes-Benz SLK-Class. How we count. Data as of .
Recalls (0)
No recalls on file with NHTSA for this model year.
Complaints by component (12 total)
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Complaints filed per year
Excerpts from recent NHTSA complaint filings
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"While driving on the highway the roof polycarbonate top started to buffet at speed prompting a rapid deceleration of the car for fear of the roof flying off. The car has been evaluated at the Mercedes dealer which…"
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"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…"
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"The contact owns a 2012 Mercedes-Benz SLK350. The contact stated that while driving at an undisclosed speed, a loud noise was heard coming from the rear of the vehicle. The contact stated that as she pulled over and…"
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"The contact owns a 2012 Mercedes-Benz SLK350. The contact stated while driving approximately 45 MPH, the front passenger’s side headrest erroneously deployed. During the failure no crash had occurred, and no passenger…"
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"GLOVE BOX FACING HAS DETACHED FROM THE LOWER SIDE. IT HANGS FURTHER OUT THAN THE GLOVE BOX AND COULD BE A DANGER TO THE PASSENGER IN THE EVENT OF AN ACCIDENT OR EVEN A HARD STOP. IT STARTED COMING APART 3 YEARS AGO.…"
NHTSA crash ratings
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2012 Mercedes-Benz SLK-Class C RWD | Not rated | Not rated | Not rated | Not rated |
Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.
Specs and fitment
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Frequently asked questions
Is the 2012 Mercedes-Benz SLK-Class reliable?
Owners have filed 12 complaints with NHTSA about the 2012 Mercedes-Benz SLK-Class over 15 years — 1 per year. That is the most complaints per year among the 5 SLK-Class years on this site. NHTSA has no recalls on file for this model year.
What are common problems with a 2012 Mercedes-Benz SLK-Class?
The complaints owners file most often name Fuel and propulsion system (3 of 12), then Air bags (1) and Electrical system (1). Those filings include 1 that reports an injury.
Is the 2012 Mercedes-Benz SLK-Class more reliable than the years next to it?
The 2013 SLK-Class has 9 complaints, 1 per year. The 2012 has more complaints per year than the 2013.
Has the 2012 Mercedes-Benz SLK-Class been recalled?
NHTSA has no recalls on file for the 2012 Mercedes-Benz SLK-Class.
How many complaints have owners filed about the 2012 Mercedes-Benz SLK-Class?
Owners have filed 12 complaints about the 2012 Mercedes-Benz SLK-Class with NHTSA.
What engine oil does a US Mercedes-Benz SLK-Class use?
0W-30 or 0W-40 (verify Mercedes LL label) With filter, about 6.9 qt is commonly listed for this generation—confirm in the owner manual.
What tire sizes fit a US Mercedes-Benz SLK-Class?
Published US specs commonly list front 225/45R17, 225/40R18, 245/40R17, 245/35R18 and rear 225/45R17, 225/40R18, 245/40R17, 245/35R18; confirm on the door jamb placard for your trim.
Where should I confirm Mercedes-Benz SLK-Class maintenance specs?
Use the US owner manual and under-hood labels for oil grade, capacities, and tire pressures; this page summarizes common US fitments but does not replace the manual.