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Engine & cooling

2015 Smart Coupe Engine problems

Owners have filed 2 complaints about the 2015 Smart Coupe's engine & cooling with NHTSA - 18% of all its complaints, most recently on March 26, 2025. They describe 0 crashes, 1 fire and 0 injuries. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Complaints
2
Recalls
0
Crashes
0
Fires
1
Injuries
0
Deaths
0

Engine complaints

Electrical 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
Engine & 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

Smart Coupe engine complaints by year

Coupe engine problems, every year

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

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