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2015 Mercedes-Benz SL-Class problems, recalls and owner complaints
What the 2015 Mercedes-Benz SL-Class has been recalled for, how often it fails the UK MOT and what owners report, from official government data. Updated October 25, 2026.
- 0safety recalls
- 4owner complaints
- 0crash reports
- 0fire reports
- 10%fail the UK MOT
4 complaints, against an average of 8 for the other 4 Mercedes-Benz SL-Class model years.
Every Mercedes-Benz SL-Class model year with its number of owner complaints. Pick a year to compare.
What goes wrong with the 2015 Mercedes-Benz SL-Class?
The components named most often in the 4 owner complaints. One complaint can name several, so the shares can add up to more than 100%.
Has the 2015 Mercedes-Benz SL-Class been recalled?
NHTSA lists no safety recalls for the 2015 Mercedes-Benz SL-Class as of October 25, 2026. Recalls can be issued at any time, so check your VIN before you rely on this.
Is the 2015 Mercedes-Benz SL-Class recalled in the UK or Europe?
Recalls issued by the UK's DVSA and through the EU's Safety Gate system that cover this model and build period. European models can differ from U.S. ones, and "years estimated" means the recall gave no build dates, so confirm your own car with your registration or VIN.
UK DVSALoss of power steering supportYears estimated
Risk: It has been identified that the pins within the electric power assisted steering control unit may not have been contact welded correctly. This can result in an open circuit which will lead to a loss of power steering assistance and possible loss of control of the vehicle.
Fix: Recall all affected vehicles and replace electric power assisted steering.
EU Safety GateFaulty configurations of the control units (traction systems, signal recording triggering modules, engine control units and headlights)…Faulty configurations of the control units (traction systems, signal recording triggering modules, engine control units and headlights) could cause one or more control units to malfunction, which could increase the risk of an accident. The exhaust emissions exceed the legal limits, posing a risk to the environment.
Measures: Type of economic operator taking notified measure(s): Manufacturer; Category of measure(s): Recall of the product from end users; Date of entry into force: Unknown
EU Safety GateThe power-assisted steering control units may have been fitted with defectively welded contacts.As a result, a permanent electrical connection between the contacts cannot be guaranteed, which could lead to loss of support to the power-assisted steering and thus an increased risk of accidents.
Measures: Type of economic operator taking notified measure(s): Manufacturer; Category of measure(s): Recall of the product from end users; Date of entry into force: Unknown
How often does the 2015 Mercedes-Benz SL-Class fail its MOT?
Why they failed: the share of failed tests with at least one fault in each area (a test can fail on several). Cars first registered in 2015, tested in Great Britain in 2023; first registration is usually, but not always, the model year. Source: DVSA anonymised MOT tests and results, Open Government Licence v3.0.
What do 2015 Mercedes-Benz SL-Class owners report?
4 of the 4 complaints, the most recent for the most-reported components, as the owners wrote them. NHTSA removes names and VINs; long reports are trimmed. CarHooq has not verified individual claims.
Multiple wheel rims (4) have cracked while driving under normal driving conditions. The last wheel rim crack occurred while on the highway leading to a flat tire upon arriving at destination. The rim was found cracked in two places.
THE ENGINE HARNESS, ME CONTROL UNIT ANDCAM SENSOR FAILED CAUSING OIL TO LEAK INSIDE ENGINE AND COSTLY REPAIR. THIS IS A KNOW ISSUE ON PREVIOUS YEARS AND MODELS. AT THE TIME THE CAR ONLY HAD 50730 MILES.
MY SL400 SEEMED TO HAVE A SLOW LEAK SINCE I BOUGHT IT, PARTICULARLY ON ONE TIRE. FINALLY WHILE OUT FOR A DRIVE THE TIRE DRAMATICALLY LOST TIRE PRESSURE AND IT LED ME TO GET SERVICE, WHERE I FOUND THAT THE RIM WAS CRACKED. I HAD THE RIM REPLACED FOR OVER USD$1000 IN OCTOBER. THEN IN DECEMBER, SAME SYMPTOM, SLOW LEAK, THEN DRAMATIC LOSS OF PRESSURE. CAR WAS TAKEN TO DEALERSHIP FOR SERVICE AND THEY FOUND THE SAME SYMPTOM, CRACKED RIM, AND INSPECTED THE OTHERS AND FOUND ANOTHER. THREE (3) CRACKED RIMS IN LESS THAN 3 MONTHS. I MAY ADD THAT THE CHANGE FROM SLOW LEAK TO DRASTIC LOSS COMES QUICKLY. I…
CHECK ENGINE LIGHT CAME ON. MERCEDES DEALERSHIP STATED THAT THE CAM SOLENOID FAILED, WHICH CAUSED OIL TO LEAK TO OTHER COMPONENTS OF THE ENGINE THAT NEEDED TO BE REPLACED INCLUDING ENGINE WIRING HARNESS, CONTROL UNIT, SOLENOID, POSITION SENSOR, OXYGEN SENSOR, LAMBDA PROBE AND INJECTORS. CAR WAS JUST AT DEALERSHIP AT THE END OF MARCH/APRIL DUE TO MISFIRE AND CHECK ENGINE LIGHT. NO MENTION OF DAMAGE OR LEAKAGE. PREMATURE FAILURE ON PART.
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2015 Mercedes-Benz SL-Class: questions owners ask
Is the 2015 Mercedes-Benz SL-Class reliable?
NHTSA data alone cannot rate reliability, but it shows what owners reported. Owners filed 4 complaints with NHTSA about the 2015 Mercedes-Benz SL-Class; the most common categories were engine (2, 50%), wheels (2, 50%). There are no safety recalls listed for this model year.
What are the most common problems with the 2015 Mercedes-Benz SL-Class?
Across 4 owner complaints filed with NHTSA, the categories mentioned most often are engine (50% of complaints), wheels (50% of complaints). One complaint can name several components.
Does the 2015 Mercedes-Benz SL-Class have any recalls?
As of October 2026, NHTSA lists no safety recalls for the 2015 Mercedes-Benz SL-Class. Recalls can be issued at any time, so check your VIN at nhtsa.gov/recalls.
Check your own SL-Class
Counts are a starting point, not a verdict: popular models collect more complaints because more of them are on the road, and NHTSA does not verify individual reports. To see whether a recall is still open on your car, enter your VIN at nhtsa.gov/recalls (U.S.) or your registration at check-vehicle-recalls.service.gov.uk (UK). Had a safety problem? Report it to NHTSA; complaints are what trigger investigations and recalls.
Data: NHTSA Office of Defects Investigation recall and complaint databases (public domain), DVSA anonymised MOT results (Open Government Licence v3.0), DVSA vehicle recalls (Open Government Licence v3.0), EU Safety Gate alerts (© European Union), retrieved October 25, 2026. Model year 2015 only.