NHTSA owner reports · September 18, 2026 snapshot.
Power Train complaints
32 reportsClear category filter47,000 miles · Apr 13, 2014
Power Train
IN TRAFFIC, ATTEMPTING TO PARALLEL PARK, CAR FAILS TO SHIFT INTO "R" MUST TURN CAR OFF IN MIDDLE OF ROAD, RESTART THREE TIMES TO FINALLY GET CAR TO ENGAGE "R" OR "D" TO MOVE THE CAR SAFELY OUT OF TRAFFIC. 1- THIS HAS HAPPENED TO ME MANY DOZENS OF TIMES, I PREVIOUSLY REPORTED A SIMILAR PROBLEM. 2- I SEE MANY OTHER SIMILAR COMP…
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IN TRAFFIC, ATTEMPTING TO PARALLEL PARK, CAR FAILS TO SHIFT INTO "R" MUST TURN CAR OFF IN MIDDLE OF ROAD, RESTART THREE TIMES TO FINALLY GET CAR TO ENGAGE "R" OR "D" TO MOVE THE CAR SAFELY OUT OF TRAFFIC. 1- THIS HAS HAPPENED TO ME MANY DOZENS OF TIMES, I PREVIOUSLY REPORTED A SIMILAR PROBLEM. 2- I SEE MANY OTHER SIMILAR COMPLAINTS. WHY HAS THERE NOT BEEN A RECALL ISSUED? *JS
NHTSA ODI #10579489
43,000 miles · Apr 7, 2014
Exterior LightingPower TrainService Brakes
THE CAR JUST SHUTS OFF AT ANYTIME WHILEDRIVING IN D YOUR JUST A SITTING DUCK CANT USE GEAR TO UNLOCK TRAMMISSION SO IT COULD BE MOVED OUT OF WAY OF ON COMMING TRAFFIC, THERES NO WARNING THE CARS IS IN THE SHOP NOW, THIS HAS HAPPEN TO OTHER SMART FORTWO OWNERS, ITS A DEATH TRAP WATING TO HAPPEN NEEDS TO BE FIXED BEFORE MORE PEOPL…
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THE CAR JUST SHUTS OFF AT ANYTIME WHILEDRIVING IN D YOUR JUST A SITTING DUCK CANT USE GEAR TO UNLOCK TRAMMISSION SO IT COULD BE MOVED OUT OF WAY OF ON COMMING TRAFFIC, THERES NO WARNING THE CARS IS IN THE SHOP NOW, THIS HAS HAPPEN TO OTHER SMART FORTWO OWNERS, ITS A DEATH TRAP WATING TO HAPPEN NEEDS TO BE FIXED BEFORE MORE PEOPLE LOSE THERE LIFE, LOOK AT GM .54CENT COULD HAVE SAVED MANY LOSE LIVES. PLEASE HELP THE PUBLIC,, *TR
NHTSA ODI #10577830
82,500 miles · Apr 6, 2014
Electrical SystemPower Train
WHILE DRIVING AT NIGHT AT ABOUT 45 MILES PER HOUR, I WAS SHIFTING INTO FIFTH GEAR AND THE CAR JUST WENT BLANK. THE LIGHTS WENT OUT AND ALL NOISE CEASED TO EXIST. AT FIRST IT WAS A BIT OF A SHOCK, SO I IMMEDIATELY PULLED OFF OF THE ROAD ONTO THE DIRT. LUCKILY THERE WERE NO CARS AROUND AS THE SUDDEN LOSE OF POWER COULD HAVE CAUSED…
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WHILE DRIVING AT NIGHT AT ABOUT 45 MILES PER HOUR, I WAS SHIFTING INTO FIFTH GEAR AND THE CAR JUST WENT BLANK. THE LIGHTS WENT OUT AND ALL NOISE CEASED TO EXIST. AT FIRST IT WAS A BIT OF A SHOCK, SO I IMMEDIATELY PULLED OFF OF THE ROAD ONTO THE DIRT. LUCKILY THERE WERE NO CARS AROUND AS THE SUDDEN LOSE OF POWER COULD HAVE CAUSED SOMEONE TO RUN INTO ME, AS I HAD NO LIGHTS. AFTER LOOKING AROUND THE INSDE OF THE CAR I NOTICED THAT THE KEY WAS IN THE OFF POSITION. THE KEY ON THIS CAR IS IN THE MIDDLE CONSOLE, RIGHT NEXT TO THE GEAR SHIFT SELECTOR. I DETERMINED THAT UPON SHIFTING MY JACKET SLEEVE HAD BRUSHED AGAINST THE KEY, AND BECUASE THE KEY IS SO EASY TO TURN OFF FROM THE ON POSITION, THE KEY JUST TURNED OFF WHILE DRIVING. THIS WAS THE FIRST OCCURRANCE OF THIS, AS IT HAPPEND ONE MORE TIME. I HAVE HAD TO REMEMBER NOT TO LEAVE MY HAND DOWN BY THE SHIFT LEVER, IN FEAR OF TURNING OFF THE KEY WITHOUT KNOWING IT. *TR
NHTSA ODI #10577754
27,000 miles · Apr 3, 2014
Power Train
TL* THE CONTACT OWNS A 2008 SMART FORTWO. THE CONTACT STATED THAT THE VEHICLE FAILED TO SHIFT INTO REVERSE GEAR AND THE FAILURE WAS EXPERIENCED SEVERAL TIMES. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING AND THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 27,000 AND THE CURRENT MILEAGE WAS 29…
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TL* THE CONTACT OWNS A 2008 SMART FORTWO. THE CONTACT STATED THAT THE VEHICLE FAILED TO SHIFT INTO REVERSE GEAR AND THE FAILURE WAS EXPERIENCED SEVERAL TIMES. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING AND THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 27,000 AND THE CURRENT MILEAGE WAS 29,942.
NHTSA ODI #10577091
63,000 miles · Mar 3, 2014
Power Train
PUT CAR INTO REVERSE. DISPLAY WOULD NOT SHOW REVERSE NOR WOULD IT GO INTO REVERSE. I TURNED CAR OFF, WAITED UNTIL COMPUTER RESET THEN TURNED THE KEY. CAR SEQUENCED THROUGH THE GEARS TO 'RELEARN' THE SEQUENCE. I STARTED THE CAR AND IT STILL WON'T FIND THE REVERSE GEAR. THIS IS EXTREMELY DANGEROUS. CLUTCH WAS REPLACED BY DEALER 5 …
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PUT CAR INTO REVERSE. DISPLAY WOULD NOT SHOW REVERSE NOR WOULD IT GO INTO REVERSE. I TURNED CAR OFF, WAITED UNTIL COMPUTER RESET THEN TURNED THE KEY. CAR SEQUENCED THROUGH THE GEARS TO 'RELEARN' THE SEQUENCE. I STARTED THE CAR AND IT STILL WON'T FIND THE REVERSE GEAR. THIS IS EXTREMELY DANGEROUS. CLUTCH WAS REPLACED BY DEALER 5 MONTHS AGO AND SOFTWARE WAS UPGRADED. *TR
NHTSA ODI #10566887
71,350 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 #10552991
71,300 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
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
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.