2012 Mercedes-Benz GLK350Problems, recalls & complaints

NHTSA has logged 167 owner complaints about the 2012 Mercedes-Benz GLK350, most often about the air bags. It is covered by 4 safety recalls, and for recall 16V-081 the manufacturer reports only 65% of affected cars repaired.

2012 Mercedes-Benz GLK350

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through January 18, 2026. Updated daily. Photo: IFCAR, Public domain.

Complaints by system

Where the 2012 Mercedes-Benz GLK350 has problems

167 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
Air bags1322
Fuel/propulsion system120
Service brakes62
Electrical system42
Suspension40
Steering31
Power train30
Seats31
Wheels21
8 other systems105

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

4 recalls

2012 Mercedes-Benz GLK350 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.

82%repaired · 2026 Q3

Passenger side: inflator module

Recall 19V-010 · Jan 9, 2019 · 288,779 vehicles · 237,356 repaired

Risk. An inflator explosion may result in sharp metal fragments striking the passenger or other occupants resulting in serious injury or death.

Problem, fix and repair progress →

71%repaired · 2026 Q3

Passenger side: inflator module

Recall 17V-017 · Jan 10, 2017 · 104,119 vehicles · 73,436 repaired

Risk. An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.

Problem, fix and repair progress →

65%repaired · 2026 Q3

Driver side: inflator module

Recall 16V-081 · Feb 11, 2016 · 711,159 vehicles · 464,166 repaired

Risk. In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the driver or other…

Problem, fix and repair progress →

–no report yet

Fuel system, gasoline

Recall 12V-557 · Dec 3, 2012 · 5,800 vehicles

Risk. If the fuel filter flange cracks, it will leak fuel which may lead to a fire if an external ignition source is present.

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

2012 vs. every other GLK350 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 GLK350 median. How we score

'10'11'12'13'14'15
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
1 investigation

NHTSA defect investigations

Federal investigations that included the 2012 Mercedes-Benz GLK350, and the recalls they led to.

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

What GLK350 owners report

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

On August 17, 2025 I rearended a vehicle in front of me who jammed on their brakes for no apparent reason. We were the only two vehicles in the area. Upon impact, the following airbags deployed....steering wheel, driver knee airbag. I sustained injuries to my lower extremities from the exploded…
Complaint 11711759 · Jan 18, 2026
The component or system failed or malfunctioned: Brake pedal -does not brake effectively Engine :Alternator/ignition-the car would not start on me Cigarette lighter: front cigarette lighter does not work (greater fuse or electrical problem Inspection: Car was returned to Hawthorne Auto Square for…
Complaint 11459870 · Apr 6, 2022
POSTCARDS SENT TO ME SAID DEALER HAD PARTS. MADE APPOINTMENT ONLINE WITH DETAIL THAT THIS WAS FOR AIRBAGS, WENT IN, AND WAS TOLD THEY DIDN'T HAVE. REPEATED REQUESTS FOR ASSISTANCE FROM DEALER -- NO RESPONSE.
Complaint 11297439 · Jan 6, 2020

Own a 2012 GLK350?

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