Mercedes-Benz ML-Class problems
73 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.
Buyable on the data — keep up the usual maintenance and inspect normally.
- No systemic severe-failure pattern in the complaint record
- 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 7 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
Vehicle made a right-hand turn uphill and completely shut off for 25 minutes; engine and electrical components. Required to manually hold in the brake on an incline until vehicle restarted. Dealership cannot replicate the issue and is returning the vehicle.
After a weekend of incessant rain, while driving a short distance (10 minutes) , this low-mileage, well-maintained 8 year old SUV suddenly stalled, Engine appeared to have powered down and the yellow Engine light came up and pressing gas pedal didn't do anything. I was…
In my neighborhood approaching a stop sign about 20 yards away. The car all of a sudden accelerated at a high rate of speed. I was going too fast to make the right turn and the brakes did not stop the car. I ended up running through the stop sign up an incline and into the woods…
It seems that this vehicle was not included in a brake booster recall which included this model from 2005 through 2015. The brakes are not working properly, and brake fluid has entered the master brake cylinder damaging the seal. It is extremely unsafe to operate this vehicle in…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2014 Mercedes-Benz ML-Class reliable?
Mostly yes. With a reliability score of 8.0 out of 10 based on 73 owner complaints filed with NHTSA, the 2014 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 2014 Mercedes-Benz ML-Class?
On the NHTSA data, the 2014 Mercedes-Benz ML-Class does not need avoiding. Buyable on the data — keep up the usual maintenance and inspect normally. The record behind that call: No systemic severe-failure pattern in the complaint record; 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 2014 Mercedes-Benz ML-Class?
Based on NHTSA records, the most-reported issue is electrical, with 19 complaints filed. Typical failure occurs around 42,713 miles. Average repair cost runs about $850 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 42,713 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 2014 Mercedes-Benz ML-Class?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 73 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.