MERCEDES-BENZ SLK300 · model year

2016 MERCEDES-BENZ SLK300

3 NHTSA complaints for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 2016MERCEDES-BENZSLK300 carries 3 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.

Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2016 SLK300 is unknown or other with 2 filings, followed by structure:body (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.

NHTSA currently has 15 investigation files overlapping the 2016 SLK300. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

3
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths

Total Complaints

3 filings

Crashes Reported

0 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
UNKNOWN OR OTHER2
STRUCTURE:BODY1

Recent Complaints

20250822UNKNOWN OR OTHER

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 TO THEM AROUND JULY 31 2025 TO THE MERCEDES CARE PEOPLE. THEY TOLD ME THAT SINCE MY CAR DID NOT HAVE A WARRANTY OR AN EXTENDED WARRANTY AND THAT THE CAR WAS OVER NINE YEARS OLD PLUS WITH THE MILEAGE ON THE CAR THAT THIS WAS NOT THERE PROBLEM. MY INSURANCE AGENT TOLD ME THAT THIS WAS A MECHAICAL FAILURE AND THATA THEY WOULD NOT BE COVER UNDER MY POLICY. HOWEVER AFTER READING THIS ARTICLE THEY KNEW THAT THIS COULD HAPPEN TO ANY OF THERE MODEL. I'M ASKING FOR YOUR ASSISTANT TO RESOLVE THIS ISSUE.

20250822STRUCTURE:BODY

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 TO THEM AROUND JULY 31 2025 TO THE MERCEDES CARE PEOPLE. THEY TOLD ME THAT SINCE MY CAR DID NOT HAVE A WARRANTY OR AN EXTENDED WARRANTY AND THAT THE CAR WAS OVER NINE YEARS OLD PLUS WITH THE MILEAGE ON THE CAR THAT THIS WAS NOT THERE PROBLEM. MY INSURANCE AGENT TOLD ME THAT THIS WAS A MECHAICAL FAILURE AND THATA THEY WOULD NOT BE COVER UNDER MY POLICY. HOWEVER AFTER READING THIS ARTICLE THEY KNEW THAT THIS COULD HAPPEN TO ANY OF THERE MODEL. I'M ASKING FOR YOUR ASSISTANT TO RESOLVE THIS ISSUE.

20210103UNKNOWN OR OTHER

VAPOR CANISTER FELL OF UNDERSIDE OF VEHICLE. PART NUMBER 171-470-00-59 AT HIGH SPEED THIS HAS THE POTENTIAL TO BE CATASTROPHIC AS THE PART IS LARGER THAN THE UNDERSIDE OF THE VEHICLE AND COULD HAVE PUNCTURED GAS TANK IF TANK IS IN REAR CLOSE TO PART. FORTUNATELY I WAS BACKING OUT OF GARAGE AND I WAS ABLE TO STOP AND LOOK. THE IMAGE OF IT UNDER CAR IS WITH CAR ON AN 8 INCH BLOCK OF WOOD

Mileage: 25,000

Compare 2016MERCEDES-BENZSLK300 to Similar Vehicles

NHTSA Investigations

View all investigations

Frequently Asked Questions

How many complaints does the 2016 MERCEDES-BENZ SLK300 have?
The 2016 MERCEDES-BENZ SLK300 has 3 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2016 MERCEDES-BENZ SLK300?
The most-complained component for the 2016 MERCEDES-BENZ SLK300 is UNKNOWN OR OTHER with 2 complaints. Other frequently reported areas include STRUCTURE:BODY.
Is the 2016 MERCEDES-BENZ SLK300 safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.