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SeatsPart report

2014 Mercedes-Benz GLK350 Seats Problems

Complaints
3about this part
Share
3%of 104 total for the year
Median mileage
120,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the seats of the 2014 Mercedes-Benz GLK350, 3% of the 104 complaints for this model year. Where a mileage was given, the median is 120,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“On 1/17/25, I was on my commute to my office when I noted a very strong and unpleasant odor. Thinking it was from a truck in front of me, I passed the truck, cracked my passenger window and continued the short distance to my office. After work, when I returned to my car, I noted a hole burned through my driver's side leather seat. I didn't make the connection to the odor from that morning until I arrived home and did some online research. It turns out that my front seat warmer had malfunctioned, burning all the way through the leather. …”

NHTSA complaint #11638529, filed 2025-01

“On January 01, 2025, I started my wife's car after adding coolant. I just want to warm it up since we did not use it in a couple of days. I activated the heated seat on the driver side where I was seated and was just looking at the dashboard. I felt something on back right side and thought that there was an insect bite. When I turned and look, I discovered a dime size red small flame and smoke on the seat and realized that it is possibly and part of the heated seat heating element that burned through the seat material and burned my sweater a little bit. …”

NHTSA complaint #11633753, filed 2025-01

“The contact owns a 2014 Mercedes Benz GLK. The contact stated he heating element burned through the front driver side seat. The vehicle was taken to the dealer where it was diagnosed with an internal fault in the driver seat back heater; however the vehicle was not repaired. The manufacturer was notified of the issue. The approximate failure mileage was 120,000.”

NHTSA complaint #11740866, filed 2026-05, 120,000 miles

Related service bulletins

Seats: other model years

YearComplaintsShare of year
201511%
201433%
201343%
201232%
201010%

Other parts of the 2014 Mercedes-Benz GLK350

Air bags
62 complaints
Fuel system
8 complaints
Brakes
7 complaints
Other or unknown
5 complaints
Body and structure
5 complaints
Electrical system
4 complaints
Engine
4 complaints
Steering
4 complaints
Visibility (wipers, defrost, mirrors)
4 complaints
Suspension
3 complaints
Transmission and drivetrain
3 complaints
Wheels
3 complaints

← All problems reported for the 2014 Mercedes-Benz GLK350

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology