Smart wheel bolt sizes
Wheel bolt and nut sizes for 2 Smart models. Choose your model for the full details by year and wheel type, including length, finish and strength.
| Model | Years | Thread | Seat | Hex size |
|---|---|---|---|---|
| Forfour | 2003 on | M12x1.5 | 60° taper | 21mm hex / 17mm hex |
| Fortwo | 2014 on | M12x1.5 | 60° taper | 17mm hex |
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Smart locking wheel keys
Lost or damaged your locking wheel key? Find a replacement for your Smart.