Known faults for Smart.

Most common faults

Sorted by how many of this make's models each entry applies to.

1. 12 V battery, brakes and campaigns on the smart 453 (EQ too)1 model

   Known weak pointsfortwo / forfour (453)

2. Stretched timing chain on the 0.9 and 1.2 TCe1 model

   Timing systemfortwo / forfour (453)

3. Automated gearbox, engine management and battery on the smart forfour 4541 model

   Known weak pointsforfour (454)

4. Single clunk from the rear drive shaft when moving off or changing direction (smart and Mercedes-Benz)1 model

   Transmissionfortwo / forfour (453)

5. Rear middle seat belt and eCall on the smart #11 model

   Bodywork#1 / #3 / #5

6. mhd belt, timing chain, exhaust and automated gearbox on the smart fortwo 4511 model

   Known weak pointsfortwo (451)

7. 0.6-litre engine and automated gearbox on the smart fortwo 4501 model

   Known weak pointsfortwo (450)

8. Roadster 452: water leaks1 model

   Body / sealingroadster (452)

Models by era

Grouped by the launch year of each generation. Photos show the generation listed; if there is no verified photo, no other car is shown instead.

Recalls

Check what each recall covers: market, production period and VIN. Ask the manufacturer whether a repair is outstanding.

• Recall: 450 front suspension jointSuspension
• Recall: forfour rear bench mountingSafety / seats
• Recall: front brake-caliper carrier torqueBrakes
• Recall: transmission selector cableTransmission / parking
• Recall: internal EQ battery weldHigh-voltage battery
• Recall: unintended rear buckle releasePassive safety