Half of all complaints arrive by 6 years of age, so 71.9% land after the 4-year basic warranty ends. The system owners report most is Engine, with 63 complaints, typically at 6.1 years.
Mercedes-Benz ML-Class years to avoid — and the best ones
| Model year | Per run | Complaints | Runs | Enough history? |
|---|---|---|---|---|
| 2015 | 56 | 29 | yes | |
| 2014 | 64 | 32 | yes | |
| 2013 | 52 | 27 | yes | |
| 2012 | 63 | 22 | yes |
Does the market discount it? In our listings a 2012 ML-Class asks a median $8,300, against $9,500 for a 2013, the next model year: about 13% less, so sellers do price some of the trouble in.
Among the 4 Mercedes-Benz ML-Class years with enough history, the three to walk away from are 2012, 2014, 2013; the three worth hunting are 2015, 2013, 2014.
When it starts to break
| Age at failure | Complaints | Running total | Warranty |
|---|---|---|---|
| 0 years | 6.5% | covered | |
| 1 year | 16.5% | covered | |
| 2 years | 22.1% | covered | |
| 3 years | 28.1% | covered | |
| 4 years | 38.1% | you pay | |
| 5 years | 45% | you pay | |
| 6 years | 50.6% | you pay | |
| 7 years | 59.7% | you pay | |
| 8 years | 70.6% | you pay | |
| 9 years | 79.2% | you pay | |
| 10 years | 86.6% | you pay | |
| 11 years | 95.2% | you pay | |
| 12 years | 99.6% | you pay | |
| 13 years | 100% | you pay |
Basic warranty on this car is 4 years / 50,000 miles. Only 28.1% of reported failures happen inside it — the remaining 71.9% come out of the owner's pocket. Powertrain cover (4 years / 50,000 miles) reaches further, but it only covers the engine and transmission, which account for about 35% of the complaints here.
What actually fails — and at what age
What waits further out is Engine at 6.1 years — past every basic warranty, and the bill lands on whoever owns the car then.
| System | Complaints | Typical age | Crash | Fire |
|---|---|---|---|---|
| Engine | 6.1 yrs | 1 | 1 | |
| Electrical System | 7.5 yrs | 1 | — | |
| Unknown Or Other | 5.5 yrs | 6 | 4 | |
| Fuel/propulsion System | 6.8 yrs | 1 | — | |
| Fuel System | 8.9 yrs | — | — | |
| Steering | 5.8 yrs | 5 | — | |
| Power Train | 4.3 yrs | 2 | — | |
| Service Brakes | 5.6 yrs | 2 | — |
Good year or bad year — the VIN settles it.
- Check any VIN against complaints for its exact build year and plant
- Exact value for that car, adjusted for its mileage
- Full research report as a PDF you can hand to a mechanic
- Alerts if a recall lands on a car in your garage
- No ads, on every page
- No ads, no tracking — and much more
Frequently asked questions
Is the Mercedes-Benz ML-Class reliable?
By complaints per production run it is better than typical: 2.14 against 3.73 for the average car.
Which ML-Class years should you avoid?
By complaints per production run, 2012, 2014, 2013. The cleanest years old enough to judge are 2015, 2013, 2014. Years newer than 6 are left out: complaints keep arriving for years after a car is sold.
When do ML-Class problems usually start?
Half of all complaints arrive by 6 years of age. The most reported system is Engine, typically at 6.1 years, followed by Electrical System.
Will the warranty cover ML-Class problems?
Mostly not: basic cover is 4 years / 50,000 miles, and only 28.1% of reported failures fall inside it. Powertrain cover lasts longer, but engine and transmission make up about 35% of the complaints here.
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