mercedes-benz GL-Class problems
0 safety recalls. 34 owner complaints. We mapped every trouble spot before you sign the papers.
Solid reliability overall. Common issues are concentrated in a few systems.
Top trouble spots 3 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
SECOND ROW HEAD REST DOES NOT ADJUST TO DIFFERENT POSITIONS MAKING IT UNSAFE FOR CHILDREN.
TL* THE CONTACT OWNS A 2015 MERCEDES BENZ GL450. THE CONTACT STATED THAT THE HEADREST PREVENTED THE CONTACT FROM PROPERLY INSTALLING A CHILD SAFETY SEAT IN THE REAR OF THE VEHICLE. THE CONTACT MENTIONED THAT THE HEADREST COULD ONLY BE REMOVED BY THE DEALER. THE VEHICLE WAS TAKEN…
WINDSHIELD HAS CRACKED ON VEHICLE TWICE JUST SITTING IN THE DRIVEWAY HAS TO BE A MANUFACTURER DEFECT.
MY CAR HAS AN ONGOING PROBLEM WITH THE HVAC SYSTEM. IT GENERATES A MOLD AND MILDEW SMELL WHILE USING THE AC AND HEAT. MERCEDES SAYS THEY NO OF THIS ISSUE BUT HAVE NO PERMANENT FIX. THE SMELL IS SO BAD THAT IT IS ALMOST UN-DRIVABLE. MERCEDES DEALERSHIPS HAVE BULLETINS THAT DENOTE…
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Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2015 Mercedes-Benz GL-Class reliable?
Mostly yes. With a reliability score of 8.4 out of 10 based on 34 owner complaints filed with NHTSA, the 2015 Mercedes-Benz GL-Class is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
What's the most common problem on the 2015 Mercedes-Benz GL-Class?
Based on NHTSA records, the most-reported issue is engine, with 9 complaints filed. Average repair cost runs about $3,100 at an independent shop.
What's the most expensive thing that goes wrong?
The engine is one of the costlier repair items. Average repair cost runs about $3,100 at an independent shop. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Mercedes-Benz GL-Class has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2015 Mercedes-Benz GL-Class?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 34 complaints on file and the costliest repair averaging $3,100, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans aren't always better value.