Engine compartment relay, relay socket, and branch-off line identification with numbered callouts 13 and 14 on smart 450/451/452/454.

Black and white photo of engine compartment showing relay components with numbered callouts 13, 14, and 31.

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See all Electrical 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.