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2016 Mercedes-Benz SLK300Problems, recalls & complaints

NHTSA has logged 2 owner complaints about the 2016 Mercedes-Benz SLK300, most often about the structure. It is covered by 4 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 recalls4Lowest repair rate 78%Owner complaints20 with a crash, fire or injuryTop problem1Structure

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through August 22, 2025. Updated daily.

Complaints by system

Where the 2016 Mercedes-Benz SLK300 has problems

2 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
Structure10

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

4 recalls

2016 Mercedes-Benz SLK300 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 →

96%repaired · 2017 Q3

Suspension: rear

Recall 16V-306 · May 16, 2016 · 327 vehicles · 314 repaired

Risk. A change of the rear wheel alignment and independent steering of the rear axle may increase the risk of a crash.

Problem, fix and repair progress →

92%repaired · 2017 Q3

Electrical system: wiring

Recall 16V-211 · Apr 13, 2016 · 223 vehicles · 206 repaired

Risk. In this situation, without the backup power supply, the only way to keep the vehicle from moving is to press the brake pedal.

Problem, fix and repair progress →

91%repaired · 2017 Q1

Engine and engine cooling: engine

Recall 15V-662 · Oct 16, 2015 · 857 vehicles · 784 repaired

Risk. Engine damage may result in a stall, increasing the risk of a crash.

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

2016 vs. every other SLK300 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 SLK300 median. How we score

'09'15'16
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
1 investigation

NHTSA defect investigations

Federal investigations that included the 2016 Mercedes-Benz SLK300, and the recalls they led to.

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

What SLK300 owners report

Recent structure complaints filed with NHTSA, shortened. Personal details are removed.

SUNROOF PANEL DETACH AND LET GLASS PANEL LOOSE ON ROADWAY. I FELL THAT MY MODEL SHOULD ALSO BE PART OF THIS CLASSIFIED AS 22V-954. HOWEVER, SINCE IT WAS NOT ON THE LIST SO THERE FORE THEY REFUSED TO RECOGNIZE IT AS BEING ONE OF THERE PROBLEM. I BELIEVE THIS IS AN OVER SIGHT WITH THEM. I REPORTED IT…
Complaint 11682301 · Aug 22, 2025

Own a 2016 SLK300?

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