Problems · NHTSA complaints

2009 smart Fortwo problems

Owners filed 111 complaints about the 2009 smart Fortwo with NHTSA between Jul 2010 and Aug 2025. The most-cited component is power train (30).

Complaints
111
Filed with NHTSA
Crashes
5
Reported by owners
Fires
12
Reported by owners
Injuries
4
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Power train30
  2. Electrical system20
  3. Engine19
  4. Engine and engine cooling10
  5. Structure10
  6. Fuel/propulsion system8
  7. Wheels6
  8. Tires5
  9. Air bags5
  10. Seat belts5
  11. Service brakes, hydraulic2
  12. Exterior lighting2
  13. Suspension2
  14. Visibility2

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
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20101
20113
201213
201310
20149
201511
201610
201711
201817
20198
20207
20214
20222
20231
20243
20251

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.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Power train

30 reports1 crash
“The contact owns a 2009 Smart Fortwo. The contact stated that while driving at various speeds, the vehicle suddenly lost motive power. The vehicle was turned off, the contact waited, and then restarted the vehicle, and the vehicle operated as needed. The failure had occurred several times while driving. The contact stated that while depressing the brake pedal, the vehicle failed to brake immediately and drifted to the left. The brake pedal was depressed to the floorboard for the vehicle to come to a stop. The ABS warning light was illuminated. The vehicle was taken to the dealer, who diagnosed that the ABS was faulty and retrieved Diagnostic Trouble Codes: 1314 and C1443. The contact stated that the front brake pads were replaced by the dealer, and the rear brake pads were replaced by a certified mechanic. The vehicle was not repaired for the failure to accelerate, and the failure persisted. The vehicle was purchased on July 17, 2025, and the seller kept the repair issues with the vehicle from the contact and failed to provide information on the previous repairs. The contact stated that the failure recurred after retrieving the vehicle. The manufacturer was not…”
Owner complaint to NHTSAFiled Aug 22, 2025Service brakes, hydraulic, Power trainODI 11682335

Electrical system

20 reports6 fires
“APPEARS THAT MY 2009 SMART FORTWO PASSION AND OTHERS ON THE INTERNET ARE BEING CONFRONTED WITH MANY OF THE SAME EXACT PROBLEMS. VEHICLE WILL NOT GO INTO R (REVERSE) AT TIMES AND THE KEYFOB MAY NEED TO BE REPROGRAMMED FOR NOT WORKING IN THE VEHICLE AT ALL. DON'T KNOW IF IT IS THE ELECTRONIC CONTROL MODULE, TRANSPONDER, OR WHAT. I DO KNOW THAT MANY OWNERS ARE FACING THE SAME CHALLENGE. NO NEED FOR A KEY REMAKE, THE KEYS JUST DO NOT TURN THE CAR ON AT ALL. THE PROGRAMMING EQUIPMENT AND OR ALL THAT TROUBLESHOOTING YET MERCEDES TOP EXECUTIVES HAVE NOT AND WILL NOT ADDRESS OWNER CONCERNS. I CAN PULL INTO A PARKING LOT, HANDLE MY BUSINESS IN LETS SAY A SUPERMARKET. COME BACK OUT TO THE CAR AND PUT IN REVERSE AND ONLY N (NEUTRAL) APPEARS. I HAVE TO GO FROM NEUTRAL TO DRIVE THEN REVERSE FOR THE VEHICLE TO GO INTO REVERSE. I BOUGHT THIS VEHICLE WITH 5 MILES ON IT AND HAVE OVER 100K. ONE DAY ON THE WAY TO WORK IT SHOOK BAD. I PULLED OVER. HAD TO BE TOWED BECAUSE THE KEY WOULD NOT TURN THE ENGINE ON AT ALL. GAVE IT SOME TIME, THE BATTERY, WINDOWS, RADIO AND DASH LIGHT UP, BUT THE IGNITION ABSOLUTELY NOTHING. AGAIN, I HAVE NOTICED ON SEVERAL SITES MANY OWNERS OF THE SAME…”
Owner complaint to NHTSAFiled May 29, 2020Electrical system, Electronic stability control (esc)ODI 11326533

Engine

19 reports6 fires
“I SENT AN EMAIL NOT TO LONG AGO REGARDING MY SMARTFORTWO. I WANTED TO CANCEL OR DELETE MY COMPLAINT. APPEARS THAT MY ISSUE HAS NOTHING TO DO WITH KEY REPROGRAMMING. MY ISSUE IS LIKELY CLUTCH / ACTUATOR ISSUE. PLEASE CANCEL, DELETE, IGNORE THE COMPLAINT THAT IS IN ERROR. *TR”
Owner complaint to NHTSAFiled Jun 15, 2020EngineODI 11328864

Engine and engine cooling

10 reports1 fire1 related recall
“The contact owns a 2009 Mercedes-Benz Smart ForTwo. The contact received notification of NHTSA Campaign Number: 18V273000 (Engine and Engine Cooling); however, the part to do the repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The manufacturer scheduled an appointment at the dealer; however, the dealer contacted the contact and decline to honor the recall repair appointment. The contact contacted two dealers and was informed that they do not perform repair on Mercedes-Benz Smart Cars. The contact had not experienced a failure. Parts distribution disconnect.”
Owner complaint to NHTSAFiled Sep 5, 2024Engine and engine coolingODI 11612872

Structure

10 reports1 crash1 fire
“I BOUGHT THE CAR AND LESS THAN TWO WEEKS THE TRANSMISSION WENT THERE WAS FLASHING AND BEEPING AND THE CAR WOULD NOT GO INTO GEAR. I BOUGHT A 2009 AND IN 2008 THERE WAS A RECALL ON THAT MODEL FOR THAT TRANSMISSION PROBLEM SOMETIMES THE CAR WON'T START SOMETIMES NOW AND THE HOOD LATCH IS BROKEN”
Owner complaint to NHTSAFiled Mar 11, 2018Power train, Structure, EngineODI 11078574

Fuel/propulsion system

8 reports
“I RECEIVED A LETTER FROM MERCEDES BENZ ON MONDAY 5/4/2020 LETTING ME KNOW THAT THERE WAS A RECALL ON MY CAR, A REAR INSULATION MAT IN THE ENGINE COMPARTMENT NEEDS TO BE CHANGED OUT TO AVOID A POSSIBLE ENGINE FIRE. I CALLED THE MB DEALERSHIP IN ANCHORAGE AND WAS TOLD THEY DO NOT WORK ON SMART VEHICLES. I CALLED THE PHONE NUMBER FOR MBUSA TO FIND A DEALERSHIP OR AN APPROVED TECH TO MAKE THE REPAIR. I LEFT A MESSAGE AND WAS CALLED BACK YESTERDAY 5/7/2020 BY [XXX]. HE TOLD ME THAT THERE WERE NO DEALERSHIP OR APPROVED REPAIR CENTERS IN ALASKA AND THAT SINCE I CHOSE TO LIVE REMOTE THAT 'UNFORTUNATELY' IT'S MY PROBLEM. I WROTE A LETTER TO THE COMPANY OFFERING THE SAME POSSIBLE OPTIONS TO GET IT FIXED THAT I HAD SUGGESTED TO HIM; 1) SEND THE PART AND I'LL FIX IT MYSELF; 2) SEND THE PART TO AN INDEPENDENT SHOP OF MY CHOICE AND PAY THEM TO FIX IT OR 3) SEND A TECHNICIAN TO THE MERCEDES BENZ DEALERSHIP IN ANCHORAGE TO PERFORM THE SAFETY RECALL REPAIR. THE LETTER WAS SENT BACK TO HIM AND HE CALLED ME TODAY TO REINTERATE THAT 'UNFORTUNATELY' MBUSA WAS NOT GOING TO DO ANY OF THESE THINGS AND THAT AS A SECOND OWNER OF THE CAR THEY HAVE FULFILLED THEIR OBLIGATION TO ME. IT'S…”
Owner complaint to NHTSAFiled May 8, 2020Fuel/propulsion systemODI 11323846
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.