Mercedes-Benz ML350 Engine Problems
Owners have filed 121 complaints with NHTSA about engine problems on the Mercedes-Benz ML350 across 12 model years. The 2006 model year has the most (36). The words owners use most often: “balance shaft” (17% of reports).
- 121engine complaints
- —median miles at failure
- 3mention a crash
- 3mention an injury
- 0related recalls
- $9,100typical repair cost reported by owners
- 51%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Balance shaft: mentioned in 20 of 121 complaints (17%)
- Engine stalled: mentioned in 8 of 121 complaints (7%)
- Class action: mentioned in 7 of 121 complaints (6%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical engine repair on the Mercedes-Benz ML350 at $9,100, and half of them between $8,400 and $10,400.
Based on 11 NHTSA complaints about this problem alone that state a repair bill or quote (2013–2025), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do engine problems happen?
Based on 76 complaints that reported the odometer reading.
How serious are the reports?
Of 121 complaints, 3 mention a crash, 6 a fire, 3 an injury.
Mercedes-Benz ML350 engine complaints by model year
| Model year | Engine complaints | Share of that year | Median miles |
|---|---|---|---|
| 2015 ML350 | 11 | 21% | 15,750 |
| 2014 ML350 | 16 | 24% | 16,000 |
| 2013 ML350 | 12 | 21% | 92,273 |
| 2012 ML350 | 21 | 32% | 42,500 |
| 2011 ML350 | 7 | 6% | 88,000 |
| 2010 ML350 | 5 | 5% | 54,000 |
| 2008 ML350 | 3 | 4% | 104,000 |
| 2007 ML350 | 5 | 6% | 101,000 |
| 2006 ML350 | 36 | 21% | 83,731 |
| 2005 ML350 | 1 | 4% | 95,000 |
| 2004 ML350 | 2 | 6% | 103,500 |
| 2003 ML350 | 2 | 8% | 97,000 |
When owners reported it
Related recalls (0)
No safety recall lists engine for the Mercedes-Benz ML350. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
The contact owns a 2011 Mercedes-Benz ML350. The contact stated that while driving approximately 60â65 MPH, the brake pedal was depressed and the vehicle started sliding. The contact stated that the vehicle stalled. The brake warning light was illuminated. The vehicle was towed to a tow lot. The…
NHTSA VEHICLE SAFETY COMPLAINT SUPPORTING STATEMENT Vehicle: 2013 Mercedes-Benz ML350 I am submitting this complaint regarding a continuing safety concern involving water intrusion and electronic system damage in my 2013 Mercedes-Benz ML350. My vehicle was subject to a Mercedes-Benz recall…
The contact owns a 2013 Mercedes-Benz ML350. The contact stated that while driving approximately 40 - 45 MPH, the vehicle stalled in the middle lane. The driver was able to push the vehicle safely to the roadside. There were no warning lights illuminated. The vehicle was towed to the local dealer…
The engine locked up after blowing the top part of the engine off, fire shot out of the engine and quickly went out like a flam thrower. I was driving on the expressway when the accelerator would not work without any warning I didnât have any issues with this truck. The car cut off immediately…
Cam Shaft replacement diagnosed after week and half visit to Mercedes Benz dealership for engine rattling at cold start up. We are left with a $10,000 repair after performing all scheduled maintenance at the Mercedes Benz dealership since owning in 2015.
Frequently asked questions
Do all Mercedes-Benz ML350s have engine problems?
No. NHTSA has 121 owner complaints about engine for the Mercedes-Benz ML350. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Mercedes-Benz ML350 engine?
No recall currently lists engine for this vehicle.
How much does it cost to fix engine problems on the Mercedes-Benz ML350?
Owners report a typical cost of $9,100 (half paid between $8,400 and $10,400), from 11 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about engine problems on the Mercedes-Benz ML350?
The most frequent phrase is “balance shaft”, in 20 of 121 complaints, followed by “engine stalled” (8).
Other Mercedes-Benz ML350 problems
- Air Bags problems (197)
- Electrical System problems (158)
- Power Train problems (101)
See all Mercedes-Benz ML350 problems.