Brake line routing diagram for smart fortwo 450/451/452/454 showing ESP hydraulic unit connections to front and rear brakes.

Isometric view of smart car with six numbered brake lines labeled from ESP unit to wheel cylinders.

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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.