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2015 Mercedes-Benz SLK250Problems, recalls & complaints

NHTSA has logged 4 owner complaints about the 2015 Mercedes-Benz SLK250, most often about the fuel/propulsion system. It is covered by 2 safety recalls, and for recall 19V-787 the manufacturer reports only 78% of affected cars repaired.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls2Lowest repair rate 78%Owner complaints40 with a crash, fire or injuryTop problem1Fuel/propulsion system

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through April 13, 2026. Updated daily.

Complaints by system

Where the 2015 Mercedes-Benz SLK250 has problems

4 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Fuel/propulsion system10
Service brakes10
Structure10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

2 recalls

2015 Mercedes-Benz SLK250 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

78%repaired · 2021 Q1

Communication

Recall 19V-787 · Nov 1, 2019 · 24,226 vehicles · 18,993 repaired

Risk. An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

Problem, fix and repair progress →

94%repaired · 2018 Q3

Electronic stability control (ESC)

Recall 17V-308 · May 9, 2017 · 5,818 vehicles · 5,447 repaired

Risk. If brake pads are constantly applied over long periods of driving, the brake components may heat up, affecting braking performance and increasing the risk of a…

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.

Best & worst years

2015 vs. every other SLK250 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 SLK250 median. How we score

'13'14'15
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
1 investigation

NHTSA defect investigations

Federal investigations that included the 2015 Mercedes-Benz SLK250, and the recalls they led to.

  1. Desiccated Air Bag Inflator RuptureEA21002 · still open
    Open
In owners' words

What SLK250 owners report

Recent fuel/propulsion system complaints filed with NHTSA, shortened. Personal details are removed.

I am submitting this complaint to report a serious high‑pressure fuel system failure on my 2015 Mercedes‑Benz SLK 250 equipped with the M274 2.0L turbocharged engine, which resulted in a sudden and dangerous loss of propulsion. While accelerating to pass another vehicle at roadway speed, the engine…
Complaint 11730750 · Apr 13, 2026

Own a 2015 SLK250?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.