Mercedes-Benz ML-Class problems
66 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 8.0/10 — 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 8 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
I recently purchased a new ml350 from Mercedes benz of burlington, ma and I have a 'safety' related issue with the lift gate. I went to move the vehicle, not knowing that the lift gate was open.there was no warning or any indication that the lift gate was open!! I have owned 2…
Steering wheel tilt adjustment failed. Without adjustment it is impossible to steer the automobile safely due to hand placement for control. This is apparent especially when there are multiple drivers. There is not a manual over ride since the system is controled electrically
Going to work in the morning and pulling out of the garage my foot was on the brake not the accelerator in reverse suddenly the car surged by itself while I had my foot on the brake. The car went in reverse very fast hitting our side concrete side wall. (the distance is about…
Tl* the contact owns a 2015 Mercedes-benz ml350. The contact stated that while the vehicle was in reverse and the brake pedal was depressed, the vehicle accelerated independently. The vehicle crashed into a wall and the rear window broke. The contact stated that the vehicle…
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 ML-Class reliable?
Mostly yes. With a reliability score of 8.0 out of 10 based on 66 owner complaints filed with NHTSA, the 2015 Mercedes-Benz ML-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 ML-Class?
The 2015 Mercedes-Benz ML-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 8.0/10 — 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 ML-Class?
Based on NHTSA records, the most-reported issue is engine, with 9 complaints filed. Typical failure occurs around 41,506 miles. Average repair cost runs about $3,100 at an independent shop.
What's the most expensive thing that goes wrong?
The steering is one of the costlier repair items. Average repair cost runs about $700 at an independent shop. Typical failure occurs around 28,700 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Mercedes-Benz ML-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 ML-Class?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 66 complaints on file and the costliest repair averaging $700, 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.