2011 Smart Fortwo Seat belts Problems
- Complaints
- 4about this part
- Share
- 25%of 16 total for the year
- Median mileage
- 64,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the seat belts of the 2011 Smart Fortwo, 25% of the 16 complaints for this model year. Where a mileage was given, the median is 64,000 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.
“My wife was departing with the car and when she tried to insert the seat belt buckle and it would not insert. I called the mercedes dealer and they said it was a common failure but they wanted to charge me for the repair.”
NHTSA complaint #10717770, filed 2015-05, 57,200 miles“The metal seat belt connector frayed in to two pieces. Replaced with oem part. It frayed again. It's a 2011 driven by a 75 yr.old senior citizen. Mercedes accused owner of maliciously cutting cable. Extreme safety hazzard.”
NHTSA complaint #11115029, filed 2018-07, 64,000 milesSeat belts: other model years
Other parts of the 2011 Smart Fortwo
5 complaintsElectrical system
4 complaintsBrakes
2 complaintsTransmission and drivetrain
2 complaintsFuel system
1 complaintsOther or unknown
1 complaintsBody and structure
1 complaintsTires
1 complaintsVehicle speed control
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2011 Smart Fortwo
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