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Engine & cooling

Smart Cabrio ED Engine problems by year

12 complaints filed with NHTSA about the Smart Cabrio ED's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Engine complaints by model year

YearEngine complaintsCrashesInjuriesRecalls
20152000
20144000
20136000

Latest Cabrio ED engine complaints

2015 Smart Cabrio EDElectrical systemEngine & coolingFire

Sunday 3/23 I was driving west on 225 heading towards work, all of a sudden the check engine light comes on and all kinds of other lights on the dash came on. I got pulled over and looked in the rear view mirror I seen flames. Quickly grabbed my stuff and got out of the car. The investigation at the time stated most of the heat was coming from the engine

Filed Incident Electrical system · EngineNHTSA 11650674
2014 Smart Cabrio EDEngine & coolingFire

Tl* the contact owns a 2014 smart fortwo. The contact was driving at 60 mph, when the vehicle lost power and the contact noticed white smoke coming from the rear of the vehicle. The vehicle was towed to the contact's residence and the tow truck driver informed the contact that the radiator had burst. The contact notified park place motorcars mercedes-benz dallas (6113 lemmon ave, dallas, tx 75209) of the failure and was informed that there was no recall for the failure experienced. The vehicle was diagnosed by an independent mechanic as an overheated engine failure. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was 65,000.

Filed Incident EngineNHTSA 11405076
2013 Smart Cabrio EDTransmission & drivetrainEngine & cooling

This car is an ev. Water in the brake light switch, will not let the car recharge. Water and mud in the 12v power cable on the drivers side of the battery pack has caused a 12v power cable fitting to crack. Both of these problems are on the bottom side of the car. These problems will not let the car recharge! This is not a flood car! It has 76,087 mile on it!!!!! My dealer is a joke! I have not been able to drive my for 8 months. Also the key fob is broken. This also will not let me drive my car. I am still...

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paying for this piece of junk! ([redacted]) owner. Redacted to protect personally identifiable information pursuant to the freedom of information act (foia), 5 u.S.C. 552(B)(6)

Filed Incident Power train · EngineNHTSA 11315586
2014 Smart Cabrio EDEngine & cooling

Tl* the contact owns a 2014 smart fortwo. While the vehicle was stationary, the contact noticed an oil leak. There were no warning indicators illuminated. The vehicle was taken to euro motorcars germantown (located at 19750 germantown rd, germantown, md 20874, (301) 601-5500) where it was diagnosed that the driver's side gear box needed to be replaced. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was 26,666.

Filed Incident EngineNHTSA 11288478
2015 Smart Cabrio EDEngine & cooling

Tl* the contact owns a 2015 smart fortwo. While driving various speeds, there was an abnormal knocking noise coming from the engine compartment and the traction control warning indicator illuminated. The vehicle was taken to mercedes-benz of north olmsted (28450 lorain rd, north olmsted, oh 44070, (440) 716-2700) where it was diagnosed that the steering angle sensor caused the anti-lock brakes to seize. Also, the motor needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and informed the contact that the warranty would not cover the repair. The failure mileage was 12,000.

Filed Incident Traction control system · EngineNHTSA 11166341
2013 Smart Cabrio EDEngine & coolingFire

Tl* the contact owns a 2013 smart for two. The contact stated that the vehicle experienced a complete loss of power. In addition, the contact noticed white smoke. The failure occurred without warning. The vehicle was towed to an independent mechanic, but was not diagnosed. The vehicle was also towed to mercedes-benz of san fransico dealer located at 500 8th st, san francisco, cawhere it was diagnosed that the coolant damaged the engine compartment and the engine assembly needed to be replaced. The dealer refused to...

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do the repair due to negligence. The manufacturer was notified of the failure and offered a ten percent discount. The failure mileage was approximately 33,000. *Ln updated 9/7/18*jb

Filed Incident EngineNHTSA 11033202
2013 Smart Cabrio EDEngine & cooling

One of the two v belt for the alternator and water pump snapped while driving. Luckily I get to pull over when this happened. I heard the belt snap while driving and it a common problem for smart car. Http://www.Evilution.Co.Uk/info/mhd_belt_failure.Htm.

Filed Incident EngineNHTSA 10743284
2014 Smart Cabrio EDEngine & cooling

Tl*the contact owns a 2014 smart fortwo. The contact stated that while driving at various speeds, the key would move from the run position causing the vehicle to stall. The contact also stated that the brake and the accelerator pedals were extremely close to one another. The contact stated mentioned that when switch from the brake pedal to the accelerator pedal, his foot would get caught under the brake pedal. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failures. The failure mileage was 1,000.

Filed Incident EngineNHTSA 10680032
2013 Smart Cabrio EDElectrical systemEngine & cooling

Engine light flashed briefly and went off. Within one mile engine lost all power. As I slowed to a stop, a large cloud of steam erupted. Car was in shop for over a month and most of the engine was replaced. No explanation of lack of warning lamps. A second two week trip to the dealer was needed to resolve all the issues. Car still has engine light on

Filed Incident Electrical system · EngineNHTSA 10608766
2014 Smart Cabrio EDEngine & cooling

While driving at a steady speed of 40mph, the vehicle suddenly lost power. You could hear that the cylinders and pistons stopped working. The vehicle had 2 gallons of gas. We put in 2 more gallons at the adjacent gas station and limped home at 30mph. The dealership picked up the vehicle at our home and drove it from milwaukee to chicago without incident. The dealership said they replaced the purge valve and all 3 ignition coils;come and pick it up. On our drive home, going a steady uninterrupted 40 mph (no...

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stop signs, or stop lights at all) we drove 28 miles and the same problem happened again. The vehicle was towed to the dealership. The dealership requested assistance from mercedes. Mercedes declined, stating they would accept the problem when the dealership identified the source of the problem. After 10 days the dealership notified us that they could not identify the source of the problem. We waited through the 30 business day lemon law period and filed for relief. *Tr

Filed Incident EngineNHTSA 10588504
2013 Smart Cabrio EDEngine & cooling

I was making a left turn when. All of a sudden I lost power and the car shut off in the middle of the intersection. I had to coast over to the right lane, stop and turn the car on in the right lane. *Tr

Filed Incident EngineNHTSA 10545986
2013 Smart Cabrio EDEngine & cooling

I was on the onramp to a very busy highway going about 50 mph so that I could merge into traffic without slowing traffic down. All of a sudden I lost power. I was able to coast into the right shoulder before the vehicle lost it's momentum. Luckily I did not cause an accident with fast oncoming traffic. I turned the engine off and tried to restart the car about 2 to 3 times with no success. After about 5 minutes I tried again and the car started. I managed to get on the highway and make it home, but ever since...

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this incident I am terrified that it will happen again and I will get into an accident. The car was taken in for service at the smart dealership after this incident. It had also been taken in for service about one month after we leased it due to these intermittent issues: a loud "popping" noise when shifting into reverse, not going into reverse and rolling as if in neutral (the dashboard indicator would say that the car is in neutral, but the gear stick was in the reverse position),and not accelerating. Both times the car was taken in, the smart dealer told us that there is nothing wrong with the car because they could not duplicate the issues. It is amazing that they would opt to ignore this dangerous situation considering that this is obviously an ongoing problem with the smart cars since 2009. Are they waiting for smart car owner casualties before officially issuing a recall? *Tr

Filed Incident EngineNHTSA 10503982

Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data

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