Drum brake test values and wear limits for models 450.3/4, 451.3/4, 452.3/4; brake light switch location in 451.3/4 brake pedal module.

Drum brake specifications table and stop lamp switch identification photo for smart fortwo 451 model

View full-size image ↗

See all Chassis figures for the Fortwo (450), or browse the full figure library. Part numbers and callouts are community-sourced and cross-referenced against the manuals — confirm with your VIN before ordering.