NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
140 reports71,300 miles · Nov 19, 2013
Power TrainCrashInjury
THE 2008 SMART CAR, HAS BEEN CONSISTENTLY, SHIFTING INTO NEUTRAL, WHILE DRIVING, USUALLY, WHEN ENTERING, OR EXITING A HIGHWAY, OR AT AN INTERSECTION (SPEED CHANGES). THE CAR SHIFTS INTO NEUTRAL, AND THEN USUALLY SHUTS DOWN, CAUSING THE VEHICLE TO BE REAR ENDED, FROM UNSUSPECTING DRIVERS BEHIND THIS VEHICLE..THE PROBLEM STARTED W…
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THE 2008 SMART CAR, HAS BEEN CONSISTENTLY, SHIFTING INTO NEUTRAL, WHILE DRIVING, USUALLY, WHEN ENTERING, OR EXITING A HIGHWAY, OR AT AN INTERSECTION (SPEED CHANGES). THE CAR SHIFTS INTO NEUTRAL, AND THEN USUALLY SHUTS DOWN, CAUSING THE VEHICLE TO BE REAR ENDED, FROM UNSUSPECTING DRIVERS BEHIND THIS VEHICLE..THE PROBLEM STARTED WHEN THE CAR, WOULD NOT SHIFT INTO REVERSE, WHILE PARKED..SMART OFFERED A SOFTWARE FIX, TO ADDRESS THAT ISSUE. HAD THAT DONE, THEN PROBLEM PROGRESSED, TO SHIFTING TO NEUTRAL WHILE DRIVING, AND STALLING OUT...AT TIMES CAR, WOULD RESTART, BUT IT WOULD NOT SHIFT INTO GEAR, INDICATING ONLY A FLASHING NEUTRAL POSITION. AT TIMES, CAR WOULD NOT START AT ALL, BECAUSE WOULD NOT KNOW WHAT GEAR IT WAS IN...IF WAITED 10-20 MINUTES, OR SEVERAL HOURS, IT MIGHT RESTART, AND SHIFT, FOR A SHORT PERIOD, BEFORE IT DID THE SAME THING AGAIN...APPARENTLY IT'S A COMMON PROBLEM, WITH THE SMART CAR FORUMS, FULL OF COMPLAINTS, ABOUT THE 2008 YEAR, WITH SMART CO., AT TIMES, AUTHORIZING REPAIRS, AND REPLACEMENT WITH 2009 MECHANISMS, THAT DO NOT HAVE THE SAME PROBLEMS AS THE 2008 MODEL YEAR. THERE SHOULD DEFINITELY BE A RECALL FOR THE 2008 SMART CAR, MODEL YEAR, BEFORE SOMEONE IS KILLED, ENTERING, EXITING A HIGHWAY, AT A RAILROAD CROSSING, OR AT AN INTERSECTION, WHERE THE CAR, SHIFTS INTO NEUTRAL, WON'T SHIFT OUT, AND SHUTS OFF... THANK YOU *TR
NHTSA ODI #10552988
60,000 miles · Oct 17, 2013
Power TrainCrashInjury
SMART CAR HAD HISTORY OF NOT GOING IN REVERSE. "R" WOULD NOT COME UP ON SCREEN, CAR WOULD JUST ROLL FORWARD, HITTING VEHICLE(S) IN FRONT. THEN FOR A COUPLE OF MONTHS, (2 YEARS) CAR WOULD GO INTO NEUTRAL WHILE DRIVING, (EVEN ON HIGHWAY) COAST FOR A WHILE, THEN SHUT DOWN, AND NOT RESTART. IF YOU WAITED 10 MINUTES, IT WOULD USUALL…
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SMART CAR HAD HISTORY OF NOT GOING IN REVERSE. "R" WOULD NOT COME UP ON SCREEN, CAR WOULD JUST ROLL FORWARD, HITTING VEHICLE(S) IN FRONT. THEN FOR A COUPLE OF MONTHS, (2 YEARS) CAR WOULD GO INTO NEUTRAL WHILE DRIVING, (EVEN ON HIGHWAY) COAST FOR A WHILE, THEN SHUT DOWN, AND NOT RESTART. IF YOU WAITED 10 MINUTES, IT WOULD USUALLY RESTART. IF TRIED SOONER, IT EITHER WOULD NOT RESTART, OR ONLY GO INTO NEUTRAL. IT WOULD NOT SHIFT INTO ANY OTHER GEAR. THE OTHER DAY, AFTER APPROACHING HILL, AT RED LIGHT, CAR WENT INTO NEUTRAL, THEN SHUT DOWN, AND BRAKES WOULD NOT RESPOND QUICK ENOUGH SINCE CAR TURNED OFF, AND HIT TWO (2) PEDESTRIANS, CROSSING IN INTERSECTION. CAR WOULD NOT RESTART, WAITED 1 1/2 HOURS, WOULD RESTART AT TIMES, BUT STAYED IN NEUTRAL, (10/2013). HAD TO BE TOWED TO SMART/MERCEDES CENTER, QUOTED ME $3000, TO CHANGE ACTUATER, CLUTCH MOTOR, CLUTCH PRESS, CLUTCH PLATE, AND MAYBE MORE IF NEED TO REPLACE CLUTCH. SMART FORUMS ARE ALL FULL OF THE SAME PROBLEMS, WITH THE SMART CARS, ESPECIALLY THE 2008. MANUFACTURER MUST HAVE BEEN MADE AWARE BY NOW, BUT IS IGNORING THE PROBLEM, APPARENTLY CHANGED DESIGN AND CLUTCH PLATE ASSEMBLY FOR 2009 SMART CARS. BUT HAS NOT RECALLED 2008 YEAR WHERE PROBLEMS ARE COMMON, AND VERY DANGEROUS. *TR
NHTSA ODI #10548291
15,000 miles · Sep 9, 2013
Power Train
THE FIRST TIME IT HAPPENED WAS AFTER STARTING THE CAR, IT WOULD NOT GO INTO REVERSE. THE DASH BOARD SHIFT INDICATOR REMAINED ON THE "N" , BUT THE GEAR SHIFT WAS IN REVERSE. AFTER TURNING THE CAR OFF AND RESTARTING IT, THEN WENT INTO REVERSE. WE LIVED WITH PROBLEM FOR A LONG TIME, BECAUSE WE, AT LEAST HAD A SOLUTION.JUST RECENTL…
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THE FIRST TIME IT HAPPENED WAS AFTER STARTING THE CAR, IT WOULD NOT GO INTO REVERSE. THE DASH BOARD SHIFT INDICATOR REMAINED ON THE "N" , BUT THE GEAR SHIFT WAS IN REVERSE. AFTER TURNING THE CAR OFF AND RESTARTING IT, THEN WENT INTO REVERSE. WE LIVED WITH PROBLEM FOR A LONG TIME, BECAUSE WE, AT LEAST HAD A SOLUTION.JUST RECENTLY, SEPTEMBER 7, 2013 MY WIFE CALLED ME FROM A SHOPPING PLAZA TELLING ME THAT THE CAR WOULD NOT GO INTO ANY GEAR (DRIVE OR REVERSE) IT TOOK ME ABOUT 10 MINUTES OF TURNING THE ENGINE ON AND OFF BEFORE THE CAR WAS ABLE TO GO INTO DRIVE AND REVERSE. FORTUNATELY, SHE WAS IN A PARKING LOT AND NOT ON A HIGHWAY OR TRYING TO PARALLEL ON A BUSY STREET. THIS IS A SERIOUS SAFETY PROBLEM, WHICH NEEDS TO BE RECTIFIED BY THE MERCEDES PEOPLE. AFTER VIEWING THE INTERNET, THERE ARE MANY SMART CAR 2008 OWNERS WITH THE SAME PROBLEM. PLEASE ADVISE IF A CALL BACK HAS BEEN ISSUED OR WILL BE ISSUED. THANK YOU. *TR
NHTSA ODI #10542673
17,500 miles · Dec 19, 2012
StructureVisibility/wiper
THE PLASTIC COMPOSITE MATERIAL THAT MAKES UP THE CLEAR ROOF PANEL ON SMART FORTWO PASSION MODELS HAS BEEN KNOWN TO "CRAZE" OR HAZE OVER WITH FINE MARKS, THAT CATCH AND REFLECT THE SUN. THIS MAKES THE ROOF'S MATERIAL APPEAR TO WEAR DOWN DUE TO THE SUN'S UV LIGHT. OWNERS THAT PARK THEIR CARS IN GARAGES HAVE FEWER SYMPTOMS, AND ADV…
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THE PLASTIC COMPOSITE MATERIAL THAT MAKES UP THE CLEAR ROOF PANEL ON SMART FORTWO PASSION MODELS HAS BEEN KNOWN TO "CRAZE" OR HAZE OVER WITH FINE MARKS, THAT CATCH AND REFLECT THE SUN. THIS MAKES THE ROOF'S MATERIAL APPEAR TO WEAR DOWN DUE TO THE SUN'S UV LIGHT. OWNERS THAT PARK THEIR CARS IN GARAGES HAVE FEWER SYMPTOMS, AND ADVERSELY, THOSE WHO ALWAYS KEEP THEIR CAR OUTSIDE AND EXPOSED TO SUN SEE EXASPERATED ISSUES. THERE HAVE BEEN REPORTS OF THE MATERIAL WARPING DUE TO WEAR AND EXPERIENCING LEAKS AROUND THE EDGES. AS THE PANEL IS NOT A SUN ROOF, BUT INSTEAD THE VEHICLE'S ROOF ITSELF, THE PROBLEM IS NOT CHEAP TO REPAIR. THE MATERIAL HAS BEEN KNOWN TO "CRAZE" SINCE THE SMART FORTWO WAS UPDATED IN 2008, AND AS OF 2012 THE PROBLEM STILL EXISTS. *TR
NHTSA ODI #10489288
17,000 miles · Dec 13, 2012
Seat Belts
SEATBELT LATCH MECHANISM BROKE. THIS, IN COMBINATION WITH THE FACT THAT THE SEATBELT MECHANISM ITSELF FREQUENTLY FAILS TO RETRACT, SUGGESTS THAT THE ENTIRE SYSTEM IS FAULTY. *TR
NHTSA ODI #10488696
Mileage unknown · Dec 4, 2012
Seat Belts
BOTH SEAT BELTS, BUT ESPECIALLY THE PASSENGER SEAT BELT, LOSE TENSION AND ARE RENDERED INEFFECTIVE. THEY CAN STILL BE FASTENED, BUT THERE IS ABSOLUTELY NO RESTRAINT. I REQUESTED A REPAIR OF AT LEAST THE PASSENGER-SIDE SEAT BELT DURING A 11/19/12 CAR REPAIR AND THE DEALER'S REPRESENTATIVE TOLD ME THAT MANY SMART FORTWO VEHICLES H…
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BOTH SEAT BELTS, BUT ESPECIALLY THE PASSENGER SEAT BELT, LOSE TENSION AND ARE RENDERED INEFFECTIVE. THEY CAN STILL BE FASTENED, BUT THERE IS ABSOLUTELY NO RESTRAINT. I REQUESTED A REPAIR OF AT LEAST THE PASSENGER-SIDE SEAT BELT DURING A 11/19/12 CAR REPAIR AND THE DEALER'S REPRESENTATIVE TOLD ME THAT MANY SMART FORTWO VEHICLES HAVE PROBLEMS WITH SEAT BELTS. HE WAS RELUCTANT TO REPAIR THE PROBLEM AND DID NOT. FROM READING THE COMPLAINTS ABOUT SEATBELTS OF SMART VEHICLES, THIS LAST OF PROPER RESTRAINT SEEMS TO BE AN ON-GOING PROBLEM. *TR
NHTSA ODI #10487367
51,424 miles · Nov 29, 2012
Latches/locks/linkagesSeat Belts
TL* THE CONTACT OWNS A 2008 SMART FORTWO. THE CONTACT STATED THE DRIVERS SIDE SEAT BELT DOES NOT LATCH. THE FRONT HOOD LATCH CAME APART CAUSING THE HOOD TO SEPARATE FROM THE VEHICLE WHILE DRIVING 55 MPH. NO ONE WAS INJURED AND A CRASH DID NOT OCCUR. THE MANUFACTURER WAS NOTIFIED AND STATED THERE WAS NO RECALL AND THE CONTACT WOU…
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TL* THE CONTACT OWNS A 2008 SMART FORTWO. THE CONTACT STATED THE DRIVERS SIDE SEAT BELT DOES NOT LATCH. THE FRONT HOOD LATCH CAME APART CAUSING THE HOOD TO SEPARATE FROM THE VEHICLE WHILE DRIVING 55 MPH. NO ONE WAS INJURED AND A CRASH DID NOT OCCUR. THE MANUFACTURER WAS NOTIFIED AND STATED THERE WAS NO RECALL AND THE CONTACT WOULD HAD TO PAY FOR THE REPAIR COST AND OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS 51,424. UPDATED 12/11/12*LJ THE SEAT BELT BUCKLE AND HOOD LATCH WERE REPLACED. UPDATED 12/12/12
NHTSA ODI #10486440
25,000 miles · Sep 19, 2012
Electrical SystemPower Train
ATTEMPTING TO LEAVING STORE PARKING LOT, ENTERED CAR, STARTED ENGINE, MOVED GEAR SHIFT TO "R" BUT TRANSMISSION DOES NOT ENGAGE AND THE "R" DOES NOT APPEAR IN DASHBOARD DISPLAY. TRY MOVING SHIFTER TO "D" BUT STILL NO TRANSMISSION ENGAGEMENT OR DASH DISPLAY.. SHIFT BACK TO "P" THAT NOW DISPLAYS ON DASH. TRY "R" AGAIN, NOTHING. AF…
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ATTEMPTING TO LEAVING STORE PARKING LOT, ENTERED CAR, STARTED ENGINE, MOVED GEAR SHIFT TO "R" BUT TRANSMISSION DOES NOT ENGAGE AND THE "R" DOES NOT APPEAR IN DASHBOARD DISPLAY. TRY MOVING SHIFTER TO "D" BUT STILL NO TRANSMISSION ENGAGEMENT OR DASH DISPLAY.. SHIFT BACK TO "P" THAT NOW DISPLAYS ON DASH. TRY "R" AGAIN, NOTHING. AFTER SEVERAL ATTEMPTS TO ENGAGE TRANSMISSION FAIL, TURN ENGINE OFF, AND RESTART. NOW IT SEEMS TO BE WORKING CORRECTLY. THIS TYPE OF OCCURRENCE HAS HAPPENED MANY, MANY TIMES OVER THE LAST YEAR. CAN'T IDENTIFY WHAT MIGHT BE CAUSING THIS ISSUE, I.E. COLD ENGINE, HOT ENGINE, RAIN, HOT SUMMER DAY, COLD WINTER, IT HAPPENS UNDER ANY UNEXPECTED SITUATION.
NHTSA ODI #10477561
54,000 miles · Jul 7, 2012
Power Train
IT WAS A VERY HOT DAY AND HAD BEEN DRIVING ON THE INTERSTATE FOR ABOUT AN HOUR. I SLOWED DOWN TO TURN ONTO RAMP AND CAR WENT OUT OF GEAR (WHILE DRIVING!). SCREEN WENT BLANK. THIS HAS HAPPENED TO ME ONCE BEFORE IN A SIMILAR CIRCUMSTANCE SO I PULLED OVER. TURNED OFF CAR AND FOUND ADVICE ON THE SMART CAR FORUM (THIS HAS OBVIOUS…
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IT WAS A VERY HOT DAY AND HAD BEEN DRIVING ON THE INTERSTATE FOR ABOUT AN HOUR. I SLOWED DOWN TO TURN ONTO RAMP AND CAR WENT OUT OF GEAR (WHILE DRIVING!). SCREEN WENT BLANK. THIS HAS HAPPENED TO ME ONCE BEFORE IN A SIMILAR CIRCUMSTANCE SO I PULLED OVER. TURNED OFF CAR AND FOUND ADVICE ON THE SMART CAR FORUM (THIS HAS OBVIOUSLY HAPPENED TO OTHERS AS WELL). AFTER ABOUT 3 TIMES OF COMPLETING THE CYCLE TO REBOOT THE SYSTEM, IT FINALLY WORKED AND I CONTINUED ON MY WAY. THE FIRST TIME THIS HAPPENED DEALER DID A SOFTWARE UPDATE AT MY COST ($200+) BECAUSE IT WAS OUT OF WARRANTY. THIS CAR IS DANGEROUS...WILL SOMEONE NEED TO DIE BEFORE SOMETHING IS DONE WITH A RECALL OF THESE CARS? *TR
NHTSA ODI #10464578
30,000 miles · Jul 7, 2012
Power Train
DRIVING ON INTERSTATE ON A HOT DAY. AFTER APPROX. 1 HOUR OF DRIVING, SLOWED DOWN TO CHANGE LANES, PUT ON BRAKES, SCREEN WENT BLANK AND THERE WERE NO GEARS. NOTHING...THE CAR WAS STILL RUNNING, BUT THERE WAS NO WAY TO MOVE, AS IF IT WAS IN NEUTRAL. WENT ONLINE AND FOUND THAT OTHER OWNERS HAD SAME PROBLEM. WENT THROUGH A COMP…
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DRIVING ON INTERSTATE ON A HOT DAY. AFTER APPROX. 1 HOUR OF DRIVING, SLOWED DOWN TO CHANGE LANES, PUT ON BRAKES, SCREEN WENT BLANK AND THERE WERE NO GEARS. NOTHING...THE CAR WAS STILL RUNNING, BUT THERE WAS NO WAY TO MOVE, AS IF IT WAS IN NEUTRAL. WENT ONLINE AND FOUND THAT OTHER OWNERS HAD SAME PROBLEM. WENT THROUGH A COMPUTER RESET AND IT RAN FINE. TOOK IT TO DEALER AND THEY CHARGED ME $200 FOR A SOFTWARE UPDATE (AFTER I HAD TO RENT A CAR FOR $300 TO GET HOME). *TR
NHTSA ODI #10464576
NHTSA investigations
2EA17003 · Engine Compartment Fire
Opened Sep 1, 2017 · Closed Aug 21, 2018
Status: closed (inferred from source dates) · Engine
On April 30, 2018, Mercedes-Benz USA, LLC, (Mercedes-Benz) submitted a Defect Information Report (DIR) to NHTSA regarding a defect that could result in a vehicle fire starting from the engine compartment in 42,781 model year (MY) 2008 and 2009 Smart Fortwo cabrio and coupe vehicles (451 platform).According to Mercedes-Benz?s DIR, ?the rear insulation mat within the engine compartment might deform, deteriorate, loosen and over time, subsequently be able to contact hot components of the exhaust system.This could lead to an ignition of the insulation mat and possible fire in the engine compartment.?The US-specification exhaust system has an external catalytic converter packaged close to the insulation mat, where temperatures in the vicinity of the insulation mat reach high values.Over time, these temperatures can lead to a change in the insulation mat's material characteristics and ultimately allow the material to deform. Depending on the magnitude and the specific location of the deformation, the insulation mat could contact hot components of the exhaust system and ignite.Mercedes-Benz will replace the rear insulation mat on the affected vehicles with the improved mat first implemented in the United States in MY 2010 vehicles.ODI?s analysis of fire incident field data reported to NHTSA and Mercedes-Benz show an increasing trend of non-crash fires in the subject vehicles that begins after 4 years of service and accelerates after 7 years of service.The analysis shows that this trend is driven by fires occurring in the engine compartment.Forensic investigations of fires occurring in the past year identified the insulation mat as a likely or possible cause of most of the fires originating in the engine compartment.This investigation is closed based on Mercedes-Benz insulation mat recall.For more information about field data trends and fire investigations, see the closing resume in the document file for this investigation.
PE16016 · Engine Compartment Fire
Opened Dec 16, 2016 · Closed Nov 20, 2017
Status: closed (inferred from source dates) · Engine
On December 16, 2016, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE16-016 to investigate eight complaints alleging incidents of engine compartment fire while driving or shortly after engine shutdown in model year (MY) 2008 through 2009 Smart Fortwo vehicles.The complaints appeared to indicate an increasing trend, with all eight fires occurring since January 2015.As part of PE16-016, ODI analyzed information related to incidents reported to the Office by consumers, analyzed field data and technical information submitted by Mercedes-Benz USA (Mercedes) in response to the PE16-016 information request letter, and analyzed non-crash vehicle fire claim data provided by the Highway Loss Data Institute (HLDI).To date, ODI's analysis of incidents reported by consumers and provided by Mercedes has identified 27 incidents of open flame fires originating in the engine compartments of the subject vehicles, 14 of which were reported to ODI by Vehicle Owner Questionnaires (VOQs) and 18 involving complaints or field reports to Mercedes (5 of the incidents were reported to both ODI and Mercedes).One incident reported to Mercedes includes an allegation of an injury from smoke inhalation.Nineteen (19) of the incidents occurred since January 2015.Mercedes has only investigated 2 of the 27 fire incidents, and the company was unable to identify a vehicle-based cause for either incident.To further assess incident rates and trends, ODI requested fire claim data for the subject vehicles and eight peer vehicles from the Highway Loss Data Institute (HLDI).HLDI collects insurance claim data from companies representing over 80 percent of the market for private passenger vehicle insurance in the United States.ODI?s analysis of the HLDI data, which covered the period from 2010 through late-2016, found that the MY 2008 Fortwo vehicles had a significantly higher claim frequency than its peers and, similar to ODI?s complaint trend, experienced a sharp increase in claims in 2015.This investigation has been upgraded to an Engineering Analysis (EA17-003) to continue to investigate the high frequency and increasing trend of non-crash engine compartment fire incidents in the subject vehicles.The VOQs associated with the opening of this investigation were:10676359, 10780222, 10790017, 10820891, 10872656, 10944676, 10916505, 10924311, 10924637, 10939504, 10945296, 10993895, 11011100, 11011565.