Mercedes-Benz GLK-Class problems
133 owner complaints with NHTSA, no active recalls. Here's where owners say it breaks.
Solid reliability overall. Common issues are concentrated in a few systems.
Worth owning if you verify the specific issues below before you buy.
- Reliability score 7.6/10 — above the segment average
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
Top trouble spots 6 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
Tl* the contact owns a 2015 Mercedes-benz glk350. The contact stated that NHTSA campaign number: 19v010000 (air bags) exceeded a reasonable amount of time for repair. The contact did not receive a recall notification from the manufacturer. The contact spoke with arrowhead…
Tacata airbag is not repaired jet ## VIN passed ## Mercedes-benz 2015glk3504matic ##
Vehilce takada air bags recalled but vehicle manufacture states they do not have parts. It has been over 6 months and I feel the vehile is not safe to drive. Mercedes benz seems not to care. My other cars was fixed years ago with the same issue.
My passenger seat airbag has been recalled, I originally received a letter informing me of this recall in january 2019. It has been almost a year from receiving this letter and the parts have not been distributed for replacement. I am pregnant and due in january and the last…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2015 Mercedes-Benz GLK-Class reliable?
Mostly yes. With a reliability score of 7.6 out of 10 based on 133 owner complaints filed with NHTSA, the 2015 Mercedes-Benz GLK-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.
Should you avoid the 2015 Mercedes-Benz GLK-Class?
The 2015 Mercedes-Benz GLK-Class is acceptable, with specific caveats. Worth owning if you verify the specific issues below before you buy. The record behind that call: Reliability score 7.6/10 — above the segment average. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What's the most common problem on the 2015 Mercedes-Benz GLK-Class?
Based on NHTSA records, the most-reported issue is airbags, with 90 complaints filed. Typical failure occurs around 45,350 miles. Average repair cost runs about $1,100 at an independent shop.
What's the most expensive thing that goes wrong?
The electrical is one of the costlier repair items. Average repair cost runs about $850 at an independent shop. Typical failure occurs around 56,100 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Mercedes-Benz GLK-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 GLK-Class?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 133 complaints on file and the costliest repair averaging $850, 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 are not always better value.