2015 Mercedes-Benz Glk350 problems, complaints & recalls
Most-reported problem areas: Air Bags (81) · Vehicle Speed Control (4) · Steering (4)
🧭 Reliability snapshot
Compared against other Mercedes-Benz Glk350 model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
26 NHTSA complaints that reported an odometer reading.
Safety recalls (4)
Communication 2019-11-01 · campaign 19V787000 · 24,226 vehicles
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V787-4620.pdf
Risk: An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
Fix: MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers will check software for a successful OTA or update the communication module software as needed, free of charge. The recall began December 23, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019120008.
Air Bags:frontal:passenger Side:inflator Module 2019-01-09 · campaign 19V010000 · 288,779 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014 C250, C300 4Matic, C350, C63 AMG, E350 4Matic Coupe, E350 Cabrio, E350 Coupe, SLS AMG Cabrio, SLS AMG Coupe, 2014-2015 C250 Coupe, C350 4Matic Coupe, C350 Coupe, C63 AMG Coupe, GLK 350, GLK250 BlueTec 4Matic, GLK350 RWD, 2015-2017 E400 4Matic Coupe, E400 Cabrio, E400 Coupe, 2014-2017 E550 Cabrio, and 2014-2016 E550 Coupe vehicles sold, or ever registered, in the states of AL, CA, FL, GA, HI, LA, MS, SC, TX, PR, AS, GU, the MP, and VI or "Z
Risk: An inflator explosion may result in sharp metal fragments striking the passenger or other occupants resulting in serious injury or death.
Fix: MBUSA will notify owners, and dealers will replace the passenger frontal air bag module, free of charge. The recall began March 29, 2019. Owners may contact MBUSA customer service at 1-800-367-6372.
Air Bags:frontal 2017-10-06 · campaign 17V627000 · 495,290 vehicles
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling these vehicles: 2014-2018 CLA250, CLA250 4Matic, CLA45 AMG 4Matic, 2015-2018 GLA250, GLA250 4Matic, GLA45 AMG 4Matic, C300 4Matic, C63S AMG, 2012-2014 C250, C350, C300 4Matic, E550 4Matic, 2013-2014 C63 AMG, 2012-2015 C250 Coupe, C350 Coupe, C63 AMG Coupe, 2013-2015 C350 4Matic Coupe, GLK250 4Matic BlueTec, GLK350, GLK350 4Matic, 2016-2017 C350e, C43 AMG, 2015 C400 4Matic, 2016-2018 C63 AMG, GLC300, GLC300 4Matic, 2017-2018 C300 Coupe, C300 4Matic Cou
Risk: If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.
Fix: MBUSA will notify owners, and dealers will add sufficient grounding to the steering components, free of charge. The recall began in December 6, 2017. Owners may contact MBUSA customer service at 1-877-496-3691.
Steering 2017-04-12 · campaign 17V252000 · 168 vehicles
Defect: Mercedes-Benz USA LLC. (MBUSA) is recalling certain 2013-2014 C250, C300 4MATIC, GLK250 4MATIC BLUETEC and GLK350 vehicles, 2013 C250 Coupe, C350, C350 4MATIC Coupe, C350 Coupe and C63 AMG Coupe vehicles, and 2013-2015 GLK350 4MATIC vehicles. The steering coupling connecting bolt may have been insufficiently tightened, possibly resulting in a loss of steering.
Risk: A loss of steering can increase the risk of a crash.
Fix: MBUSA will notify owners, and dealers will inspect the steering coupling connecting bolt, tightening it as necessary, free of charge. The recall began May 2017. Owners may contact MBUSA customer service at 1-800-367-6372.
Service bulletins (59)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Service Brakes 2026-09-22 · LI42.10-P-078779 · Service Bulletin/Repair Instructions
complaint repeat workshop visit for vehicle vibration while braking from 60mph. note: although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. cause although the cause of the vibra
Structure:body 2026-09-14 · LI82.62-P-078631 · Service Bulletin/Repair Instructions
complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,
Structure:body 2026-08-06 · LI82.62-P-078631 · Service Bulletin/Repair Instructions
complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,
Power Train 2026-07-14 · LI35.30-P-058566 · Service Bulletin/Repair Instructions
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 if the complaint is eliminated by experimentally loosening the outboard collar n
Suspension 2026-05-13 · LI35.10-P-078931 · Service Bulletin/Repair Instructions
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 the event of a complaint, the optimized repair method must be used when replacing t
Suspension 2026-05-12 · LI33.20-P-078406 · Service Bulletin/Repair Instructions
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/ maneuvering. sound file attached for comparison. must match noise for proper diagnos
Showing the 6 most recent of 59 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-04-14 · Steering“hello. since i bought this car in 2015. every now and again it will go into park when driving and tge car will stop suddenly. it has done it a few times over the years and it’s quite scary. mercedes has put me off on you, without addressing the situation or looking at the car, unless i pay first it. i think there is a mechanical defect on this car …”
2026-01-18 · Seat Belts“any time a passenger sits in the passenger seat in the shows on my dashboard “ front right malfunction service required “ …”
2024-11-26 · Fuel/Propulsion System“my truck has been smelling like gas for a while. i replaced the gas cap and still smelled gas when i was driving. recently i started smelling it inside the car. it was leaking from two places under the car when i would drive it or just have it running. the mechanic took the plastic piece off the bottom and gas started pouring down. he took the back…”
2024-08-08 · Fuel/Propulsion System“gasoline smell around the car when parked in the garage. an inspection underneath the car and in the engine, bay failed to locate the leak. a [xxx] search for fuel leak on mercedes benz (mb) returned a number of hits for problems with leaks around fuel tank components on the glk and other mb models. upon removal of the rear seat and a check un…”
2024-08-06 · Electrical System“key in electronic ignition switch is not recognized, automatic transmission shifts to automatic park before vehicle comes to a stop. when car slows to 5 miles per hour it abruptly slams into park, putting myself in danger of being rear ended in no fault of my own. it happened multiple times before i could get my vehicle to safety. this has been a …”
2024-07-01 · Seats“the leather seat on the drivers side has melted. after trying to research for a recall, i did see that others have had this problem also. it appears that the seat heater causes the leather to melt. the leather has melted and peeled and is flaking.…”
2023-08-01 · Wheels“there are two issues with my vehicle, both started recently. the mileage is only around 33000 miles. the two front tire pressure warnings keep coming on, and i have tried multiple times to correct this, doesn't matter if it exactly correct on reading for pump, or above or below, it just keeps saying they need adjusting. it is only the two f…”
2023-06-06 · Fuel System, Gasoline · 62,000 mi“the contact owns a 2015 mercedes-benz glk350. the contact stated after refueling; while driving 65 mph, there was an abnormal gasoline odor inside the cabin of the vehicle. the vehicle was not taken to be diagnosed or repaired. the manufacturer was contacted and stated that the vin was not under recall. the failure mileage was approximately 62,000.…”
2023-01-19 · Steering“the lien keeping assistant is stuck in operative mode. so i had a recall on my airbag and got it changed out yesterday and had the dealership check why it was on they told me i need a new steering wheel. prior to yesterday two months ago. all the lights came on warning light and i lost power to the engine and then it will kick back on. i’m concern…”
2022-10-24 · Power Train · 107,000 mi“the contact owns a 2015 mercedes-benz glk350. the contact stated that while her husband was driving at an undisclosed speed, the brake pedal was depressed, and the vehicle inadvertently shifted into park(p). the vehicle was towed to the dealer; however, the dealer was unable to duplicate the failure. the failure recurred and the vehicle was taken b…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.