NHTSA owner reports · September 18, 2026 snapshot.
Engine complaints
33 reportsClear category filterMileage unknown · May 17, 2018
Engine
TL* THE CONTACT OWNS A 2008 SMART FORTWO. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 18V273000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PART NEEDED FOR THE REPAIR WAS NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE CONTACT CALLED MERCEDES-B…
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TL* THE CONTACT OWNS A 2008 SMART FORTWO. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 18V273000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PART NEEDED FOR THE REPAIR WAS NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE CONTACT CALLED MERCEDES-BENZ OF SAN FRANCISCO AT (415) 553-4280 (LOCATED AT 500 8TH ST, SAN FRANCISCO, CA) AND WAS INFORMED THAT THE PART WAS NOT AVAILABLE. THE MANUFACTURER INFORMED THE CONTACT THAT THE PART WOULD BECOME AVAILABLE AT THE END OF JUNE OF 2018 AND REFERRED THE CONTACT TO NHTSA. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.
NHTSA ODI #11096608
205,000 miles · May 14, 2018
EngineFire
TL* THE CONTACT OWNED A 2008 MERCEDES-BENZ SMART FORTWO. WHILE THE VEHICLE WAS PARKED IN A PARKING GARAGE, THE GARAGE ATTENDANT CALLED THE CONTACT AND INFORMED HIM THAT SMOKE WAS EMERGING FROM UNDER THE HOOD. THE VEHICLE CAUGHT FIRE WITHOUT WARNING OR IMPACT. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE. A POLICE REPORT WAS NOT FIL…
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TL* THE CONTACT OWNED A 2008 MERCEDES-BENZ SMART FORTWO. WHILE THE VEHICLE WAS PARKED IN A PARKING GARAGE, THE GARAGE ATTENDANT CALLED THE CONTACT AND INFORMED HIM THAT SMOKE WAS EMERGING FROM UNDER THE HOOD. THE VEHICLE CAUGHT FIRE WITHOUT WARNING OR IMPACT. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE. A POLICE REPORT WAS NOT FILED AND THERE WERE NO INJURIES. THE AIR BAGS DID NOT DEPLOY. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC, BUT THE CAUSE OF THE FIRE WAS NOT DETERMINED. THE LOCAL DEALER WAS NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS 205,000.
NHTSA ODI #11093725
100,400 miles · May 3, 2018
EngineFire
TL* THE CONTACT OWNED A 2008 SMART FORTWO. THE CONTACT STATED THAT THE VEHICLE BURST INTO FLAMES AFTER IT WAS PARKED. THE CONTACT WAS UNAWARE OF HOW THE FIRE STARTED OR WHERE IT ORIGINATED, BUT IT WAS BELIEVED TO BE NEAR THE ENGINE COMPARTMENT. THE VEHICLE WAS DESTROYED AND TOWED TO AN INSURANCE AUTO AUCTION. THERE WERE NO INJUR…
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TL* THE CONTACT OWNED A 2008 SMART FORTWO. THE CONTACT STATED THAT THE VEHICLE BURST INTO FLAMES AFTER IT WAS PARKED. THE CONTACT WAS UNAWARE OF HOW THE FIRE STARTED OR WHERE IT ORIGINATED, BUT IT WAS BELIEVED TO BE NEAR THE ENGINE COMPARTMENT. THE VEHICLE WAS DESTROYED AND TOWED TO AN INSURANCE AUTO AUCTION. THERE WERE NO INJURIES AND A POLICE REPORT WAS NOT FILED. A LOCAL DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 100,400.
NHTSA ODI #11091576
46,000 miles · Sep 15, 2017
EngineFire
WENT TO START CAR IN GARAGEWHEN IT MAKE AN ODD SOUND AND SMELLED OF SMOKE. TOKKO CAR IN TO DEALER AND THEY SAID TOP OF ENGINE AROUND VALVES WAS BLOWN. 46,000 MILES ON IT...BEEN HOLDING ON TO IT WAITING FOR A RECALL. CAR IS STILL IN MY SHED.
NHTSA ODI #11023607
32,500 miles · Jun 23, 2017
EngineFuel/propulsion System
AS MY WIFE WAS FILLING THE GAS TANK IT FAILED TO BUILD BACK PRESSURE THAT WOULD NORMALLY SHUT OFF THE GAS PUMP. THIS HAS OCCURRED TWICE. THEN ON MON. THE 19TH OF JUNE AFTER WORK MY WIFE COMPLAINED OF A STRONG GAS ODER INSIDE THE VEHICLE. SHE DROVE THE CAR TO WORK ON TUES. MORNING AND HAD THE SAME STRONG GAS SMELL. SHE THOUGHT TH…
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AS MY WIFE WAS FILLING THE GAS TANK IT FAILED TO BUILD BACK PRESSURE THAT WOULD NORMALLY SHUT OFF THE GAS PUMP. THIS HAS OCCURRED TWICE. THEN ON MON. THE 19TH OF JUNE AFTER WORK MY WIFE COMPLAINED OF A STRONG GAS ODER INSIDE THE VEHICLE. SHE DROVE THE CAR TO WORK ON TUES. MORNING AND HAD THE SAME STRONG GAS SMELL. SHE THOUGHT THAT IT MIGHT BE DUE TO OVERFILLING THE TANK. WHEN SHE GOT HOME ON TUES. NIGHT WE NOTICED A STEADY STREAM OF GAS POURING OUT OF THE VEHICLE UNDER THE CAR NEAR THE PASSENGER SIDE OF THE VEHICLE. THE GAS ONLY STREAMED OUT WHEN THE ENGINE WAS RUNNING. ONCE WE SHUTOFF THE CAR IT WOULD DRIBBLE OUT FOR A FEW MORE MINUTES THEN EVENTUALLY STOP. WHEN I TURNED THE CAR ON IT WOULD BEGIN FLOWING FUEL ONTO THE GROUND IMMEDIATELY. I HAD THE CAR TOWED TO THE MERCEDES BENZ\SMART CAR DEALER LOCATED NEAREST TO ME. AFTER THE CAR WAS TOWED I STARTED TO DO SOME RESEARCH ONLINE TO DETERMINE IF THIS IS A COMMON ISSUE. I WAS SURPRISED TO FIND THAT THERE HAVE BEEN MANY COMPLAINTS POSTED TO CHAT ROOM BOARDS REGARDING A FUEL LEAK AND A BROKEN DISCHARGE LINE FROM THE FUEL PUMP TO THE ENGINE. WHAT I WAS EVEN MORE STARTLED TO FIND WAS LITERALLY HUNDREDS OF DIFFERENT VIDEOS OF SMART CARS CATCHING ON FIRE. I SOON DISCOVERED THAT THERE IS AN OPEN INVESTIGATION WITH THE NHTSA FOR ENGINE FIRES ON MODEL 2008-2009 FORTWO SMART CARS. THE INVESTIGATION NUMBER IS PE-16-016 THE DEALERSHIP CALLED ME TODAY AND STATED THAT THE FUEL PUMP IS LEAKING GAS ON TOP OF THE TANK AND THAT THE FUEL PUMP WILL NEED TO BE REPLACED. THEY HAVE NOT DROPPED THE FUEL TANK YET. THEY WITNESSED THE FUEL LEAK USING A MIRROR. IT IS NOW FRIDAY AT 2:15PM PST, AND TO LATE FOR THEM TO START REPAIRING THE FUEL PUMP TODAY. THE DEALERSHIP PLANS TO DROP THE TANK AND REPLACE THE FUEL PUMP ON TUES. MORNING. I WILL BE THERE TO PHOTOGRAPH THE LOCATION OF THE BREAK ON THE FUEL LINE AND UPDATE THIS COMPLAINT AFTER THAT.
NHTSA ODI #11000905
35,756 miles · Nov 4, 2016
EnginePower TrainStructureFire
WHILE DRIVING REAR MOTOR CAUGHT FIRE. *TR
NHTSA ODI #10924311
42,000 miles · Jun 6, 2016
EngineFire
WITHIN 20 MILES OF THE "CHECK ENGINE" LIGHT COMING ON, THE CATALYTIC CONVERTER OVERHEATED AND SET THE CAR ON FIRE, BURNING THE CAR TO THE GROUND.
NHTSA ODI #10872656
36,000 miles · Jan 19, 2016
EngineFire
TAKATA RECALL. I WAS ON MY WAY HOME FROM WORK AND LOOKED IN MY REAR VIEW MIRROR AND SAW SMOKE. I PULLED OVER TO THE SIDE OF THE ROAD ONLY TO FIND MY CAR WAS BEGINNING TO BE ENGULFED IN FLAMES. THERE WAS NO WARNING, NO PREVIOUS WORK DONE ON THE CAR...NOTHING! I WAS TRAVELING 45 MPH ON THE STREET. THERE WERE NO CHANGES IN MY DRIVI…
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TAKATA RECALL. I WAS ON MY WAY HOME FROM WORK AND LOOKED IN MY REAR VIEW MIRROR AND SAW SMOKE. I PULLED OVER TO THE SIDE OF THE ROAD ONLY TO FIND MY CAR WAS BEGINNING TO BE ENGULFED IN FLAMES. THERE WAS NO WARNING, NO PREVIOUS WORK DONE ON THE CAR...NOTHING! I WAS TRAVELING 45 MPH ON THE STREET. THERE WERE NO CHANGES IN MY DRIVING HABIT OR ANYTHING LIKE THAT. I CALLED THE POLICE AND FIRE DEPT. THEY RESPONDED AND EXTINGUISHED THE FIRE. THE FIRE DEPARTMENT WROTE UP A REPORT AND DETERMINED THAT THE FIRE STARTED IN THE ENGINE AREA. AGAIN, BEFORE THEN, I HAD NO ISSUES WITH THE CAR, ENGINE OR ANYTHING ELECTRICAL. MY LIFE WAS PUT IN DANGER DUE TO THIS FIRE. I REPORTED IT TO MY INSURANCE COMPANY AND IT WAS AN OBVIOUS TOTAL LOSS. I AM ATTACHING A COPY OF THE FIRE REPORT FOR YOUR REVIEW.
NHTSA ODI #10820891
51,000 miles · Oct 6, 2015
EngineFire
TL* THE CONTACT OWNS A 2008 SMART FORTWO. AFTER STOPPING THE VEHICLE, THE CONTACT NOTICED AN ABNORMAL ODOR AND OBSERVED SMOKE AND FLAMES COMING FROM THE ENGINE COMPARTMENT. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE AND DETERMINED THAT THE VEHICLE'S INSULATION CAUGHT FIRE ON THE HEAT SHIELD. THE VEHICLE WAS NOT DIAGNOSED OR REPAI…
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TL* THE CONTACT OWNS A 2008 SMART FORTWO. AFTER STOPPING THE VEHICLE, THE CONTACT NOTICED AN ABNORMAL ODOR AND OBSERVED SMOKE AND FLAMES COMING FROM THE ENGINE COMPARTMENT. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE AND DETERMINED THAT THE VEHICLE'S INSULATION CAUGHT FIRE ON THE HEAT SHIELD. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 51,000...UPDATED 02/01/16 *BF THE CONSUMER STATED THE VEHICLE WAS REPAIRED. *JS
NHTSA ODI #10780222
36,500 miles · Jun 29, 2015
Engine
MY 2008 SMART HAS A LITTLE OVER 36,000 MILES ON IT. SINCE AROUND 06/16/2015, THE GEAR SHIFT WOULD GET STUCK AND NOT GO INTO REVERSE OR DRIVE. AFTER A FEW ATTEMPTS, IT WOULD EVENTUALLY GO INTO THE CORRECT GEAR. ON SUNDAY 06/28/2015, REGARDLESS OF NUMBERS OF ATTEMPT, IT ONLY GOES FROM P TO N AND WILL NOT SHIFT TO REVERSE OR DRI…
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MY 2008 SMART HAS A LITTLE OVER 36,000 MILES ON IT. SINCE AROUND 06/16/2015, THE GEAR SHIFT WOULD GET STUCK AND NOT GO INTO REVERSE OR DRIVE. AFTER A FEW ATTEMPTS, IT WOULD EVENTUALLY GO INTO THE CORRECT GEAR. ON SUNDAY 06/28/2015, REGARDLESS OF NUMBERS OF ATTEMPT, IT ONLY GOES FROM P TO N AND WILL NOT SHIFT TO REVERSE OR DRIVE. I PURCHASED THIS CAR THE DAY IT CAME ON THE MARKET IN MAY 2008 AND PICKED IT UP FROM MB OF LAGUNA NIEGUEL. I EVEN PURCHASED AN EXTENDED WARRANTY ON IT (5YRS, 75,000 MILES) WHICH AT THE TIME OF PURCHASE, I WAS TOLD BEGINS AFTER THE INITIAL MANUFACTURE'S WARRENTY EXPIRES. I AM NOW TOLD THE EXTENDED WARRANTY IS ALREADY EXPIRED. HOW DOES A CAR WITH UNDER 36,000 START TO HAVE TRANSMISSION PROBLEMS WHEN ALL IT'S SERVICES WERE COMPLETED BY THE DEALERSHIP AT THE TIME IT WAS REQUIRED?! MB OF BEVERLY HILLS SERVICE ADVISOR (JOHN) TOLD ME THIS MORNIGN IT WOULD TAKE 2-3 WKS BE FORE I CAN TAKE THE CAR IN AND GET A LOANER CAR SO THEY CAN DIAGNOISE THE PROBLEM, WHEN THERE ARE HUNDREDS OF SMART OWNERS WHO HAVE COMPLAINED ABOUT THIS SAME EXACT PROBLEM ON THE WEB. A LEGO CAR WOULD PROBABLY LAST LONGER THAN THIS VEHICLE MADE BY MERCEDES BENZ!!
NHTSA ODI #10730979
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.