2014 Mercedes-Benz GLK250 problems & reliability
21 owner complaints filed with NHTSA for the 2014 Mercedes-Benz GLK250, alongside 5 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
2 complaints report injuries (2 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Air Bags → | 15 | 71% |
| Unknown OR Other | 3 | 14% |
| Engine | 2 | 10% |
| Vehicle Speed Control | 2 | 10% |
| Visibility/wiper | 2 | 10% |
| Electrical System | 1 | 5% |
| Power Train | 1 | 5% |
| Steering | 1 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“1. Windshield wiper assemblies failed to operate. 2. During severe rainstorm in Northern California, driver side wiper arm stopped working while I was driving on freeway. 3. Confirmed by independent service center. He showed me a broken part under the hood. He said it would cost close to $1000.00 to repair. 4. I will…”
Visibility/wiper · filed Jan 12, 2023
“The contact owns a 2014 Mercedes Benz GLK250. The contact stated while driving at a slow speed and seeking a parking spot, the vehicle accelerated independently and caused her to crash into a parked vehicle. The contact stated no warning light was illuminated. The air bags did not deploy. The contact stated she did…”
Vehicle Speed Control · filed Jan 9, 2023
“The contact owns a 2014 Mercedes-Benz GLK250. The contact stated that the front passenger’s side air bag warning light failed to function as designed. The vehicle was taken to the dealer where the mechanic informed the contact that the sensor light was permanently disabled. The contact then stated that he was informed…”
Air Bags · filed Sep 23, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Desiccated Air Bag Inflator Rupture
Engineering Analysis EA21002 · opened Sep 17, 2021 · open
Technical service bulletins
67 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2014 Mercedes-Benz GLK250. The 10 most recent:
Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of travel. Note: Sound file in attachment Cause…
LI35.30-P-058566 · Service Bulletin/Repair Instructions · issued Jul 14, 2026
Complaint Potential corrosion on the rear axle carrier Cause Due to market-specific conditions such as moisture, ingress of dirt and/or environmental influences, corrosion can occur on the rear axle carrier Remedy In…
LI35.10-P-078931 · Service Bulletin/Repair Instructions · issued May 13, 2026
Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearing on the front axle when cornering/…
LI33.20-P-078406 · Service Bulletin/Repair Instructions · issued May 12, 2026
Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearing on the front axle when cornering/…
LI33.20-P-078406 · Service Bulletin/Repair Instructions · issued Apr 17, 2026
Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the…
LI82.10-P-078301 · Service Bulletin/Repair Instructions · issued Apr 16, 2026
Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp…
LI82.10-P-078301 · Service Bulletin/Repair Instructions · issued Mar 9, 2026
Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a…
LI82.10-P-078307 · Service Bulletin/Repair Instructions · issued Feb 25, 2026
Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp…
LI82.10-P-078301 · Service Bulletin/Repair Instructions · issued Feb 24, 2026
Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a…
LI82.10-P-078896 · Service Bulletin/Repair Instructions · issued Feb 24, 2026
Complaint Commissioning not possible after replacement of TRANSMISSION 722.9 or of electrohydraulic controller unit (EHS) or of repair kit controller unit (VGS). Cause The wrong older A-code ("Generation EHS") is…
LI27.19-P-074985 · Service Bulletin/Repair Instructions · issued Jul 16, 2025
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2014 Mercedes-Benz GLK250 has 5 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2014 Mercedes-Benz GLK250?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.