2010 Mercedes-Benz ML350 Seat belts Problems
- Complaints
- 10about this part
- Share
- 10%of 101 total for the year
- Median mileage
- 46,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 10 complaints about the seat belts of the 2010 Mercedes-Benz ML350, 10% of the 101 complaints for this model year. Where a mileage was given, the median is 46,500 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Just bought this car from a family member who takes great care of their cars. The rear drivers side passenger seatbelt does not work. I gently pulled out and it doesn't retract no matter what I tried. Now I can't use with my 3 kids. These rear seat belts were only lightly used from previous owner as this was her commuter car .seems to me this has been a common complaint online yet no recall. Please investigate right away.”
NHTSA complaint #11053564, filed 2017-12, 213,000 miles“The rear seat belts on this vehicle get stuck all the way out and will not retract. The car is out of warranty as of this month and the dealer is quoting around $800 to fix this known issue. Having a broken retractor is not safe as we cannot put two people in the back seat of our car. A terrible design to have a seat belt break when very few passengers ride in the back seat except for my child. Please help and put a recall on this issue.”
NHTSA complaint #10561839, filed 2014-01, 29,000 miles“Rear seatbelts fail to retract. I'm waiting on a call from the dealer's service department as to the cost to replace the rear seat belts. I have never experienced this problem in any other car brand. Very disappointed and concerned about cost to replace as car is out of warranty. However, since my two young kids ride in the back all the time I need functioning seat belts. Have seen some other similar complaints at various online forums. Perhaps an investigation is warranted due to the seriousness of this issue.”
NHTSA complaint #10640175, filed 2014-09, 43,000 miles“Passenger side rear seat belt retractor failed and seat belt is in fully extended position and won't retract, making it unusable for protection of a passenger in that seat. The vehicle has never been in an accident or suffered any impact, etc., and when a passenger had used the belt and went to take it off it wouldn't retract. There had been no prior indication of a problem. …”
NHTSA complaint #11078522, filed 2018-03, 24,280 miles“Rear seatbelt fails to retract, stays out in the fully extended position. This prevents the seatbelt from retaining any passenger using the seatbelt. Have researched many complaints on this same issue. It appears the retract components do not operate properly. This is a safety issue in that you cannot tell when the seatbelt will malfunction.”
NHTSA complaint #10664694, filed 2014-12, 22,300 milesRelated service bulletins
- 10044222Apr 20, 2012Mercedes benz: front or rear seat belt does not roll up correctly. Dirt deposits on the seat belt guide due to soiled seat belt. Also included models 169, f cell, 246, and 231…
- 10042607Apr 5, 2012Xentry(mercedes): bulletin provided regarding control unit detecting an undervoltage after buckling up (belt slack elimination) during seat belt adjustment sequence. *pe updated…
Seat belts: other model years
Other parts of the 2010 Mercedes-Benz ML350
67 complaintsElectrical system
10 complaintsBrakes
6 complaintsEngine
5 complaintsExterior lighting
5 complaintsSteering
4 complaintsOther or unknown
3 complaintsFuel system
1 complaintsBody and structure
1 complaintsSuspension
1 complaints
← All problems reported for the 2010 Mercedes-Benz ML350
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology