Problems · NHTSA complaints
2011 smart Fortwo problems
Owners filed 16 complaints about the 2011 smart Fortwo with NHTSA between May 2012 and Jan 2023. The most-cited component is engine (5).
Complaints
16
Filed with NHTSA
Crashes
2
Reported by owners
Fires
1
Reported by owners
Injuries
2
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Engine5
- Seat belts4
- Electrical system4
- Service brakes2
- Power train2
- Tires1
- Fuel/propulsion system1
- Structure1
- Visibility/wiper1
- Vehicle speed control1
- Other / unknown1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 6, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
3
3
0
2
3
2
2
0
0
0
0
1
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2012 | 3 |
| 2013 | 3 |
| 2014 | 0 |
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 0 |
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 1 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Engine
5 reports1 fire
“I WAS DRIVING EASTBOUND IN THE NUMBER 1 LANE OF CALIFORNIA HIGHWAY 24 ABOUT 1/4 MILE BEFORE THE TUNNEL ROAD EXIT. I HEARD A NOISE COMING FROM THE ENGINE ARE OF THE CAR, LOOKED AT THE INSTRUMENT CLUSTER AND NOTICED THAT THE ENGINE LIGHT HAD ILLUMINATED, AND EXPERIENCE A SUDDEN LOSS OF POWER. I PULLED OFF OF THE HIGHWAY AT THE TUNNEL ROAD EXIT AND STALLED ON THE OFF RAMP. I ATTEMPTED TO RESTART THE ENGINE TWICE BY TURNING THE KEY. I SAW SMOKE IN MY REARVIEW MIRROR, EXITED THE VEHICLE, AND SAW FLAMES COMING FROM UNDERNEATH THE VEHICLE. I CALLED 911 AND GAVE THE DISPATCH OPERATOR MY LOCATION. BY THE TIME THE HIGHWAY PATROL AND LOCAL FIRE DEPARTMENT ARRIVED, MY CAR WAS TOTALED. THE ATTACHED PHOTOS TELL THE STORY OF THE DAMAGE.”
Seat belts
4 reports
“THE DRIVER SIDE SEAT BELT LATCH HAS FAILED FOR THE SECOND TIME IN 2 YEARS. THE MALE END CAN NOT BE INSERTED INTO THE FEMALE END.”
Electrical system
4 reports
“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.”
Service brakes
2 reports1 crash
“TL* THE CONTACT OWNS A 2011 SMART FORTWO. THE CONTACT STATED THAT THE CHECK ENGINE LIGHT ILLUMINATED, THE VEHICLE WAS TAKEN TO THE DEALER TO HAVE A DIAGNOSTIC PERFORMED. THE FAILURE WAS LOCATED AT CYLINDER THREE. THE CONTACT ALSO STATED THAT WHILE THE BRAKE PEDAL WAS DEPRESSED, IT MADE A SQUEAKING NOISE. THE DEALER REPLACED THE BRAKE STOP LAMP SWITCH; HOWEVER, THE ENGINE FAILURE WAS NOT CORRECTED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 27,200 AND THE CURRENT MILEAGE WAS 28,300.”
Power train
2 reports
“THE CAR DOES NOT PULL OUT OF PARKING AND DOES NOT TAKE GEARS. IT HAS GONE 4 TIMES WITH THE SAME ISSUES TO THE DEALER TO LEAVE WITH THE SAME PROBLEM. AS A LAST RESORT THEY TOLD ME TO CHANGE THE TRANSMISSION 4,000.00 AND NO GUARANTEE THAT THE PROBLEM WILL BE FIX. SOMETHING NEEDS TO BE DONE THIS IS ABUSIVE. AND I HAVE NO ONE TO HELP BECAUSE I DO NOT WANT MY CREDIT AFFECTED BUT THESE CARS ARE NO GOOD. NOT EVEN THE DEALER KNOWS HOW TO FIX THEM. AND SMART USA SAYS NOTHING CAN BE DONE BECAUSE THEIR OUT OF WARRANTY. BUT MY COMPLAINT IS THAT THIS IS THE 5 TIME MY CAR HAS NOT LEFT THE DEALER FOR 4 AND HALF MONTH WITH DIFFERENT TEST EACH MONTH IS FIX AND WHEN I GO OUT AND RUN IT BY THE END OF THE BLOCK I HAVE TO RETURN TO THE DEALER AND LEAVE IT. *TR”
Tires
1 report
“175 55 r15 Tge tires wires startes to unravelling and chabgibg the ahape of tge tire.”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 6, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.