Engine oil filler cap location and refill procedure for Smart front compartment, passenger side.

Diagram showing oil filler cap labeled with callout 1 on engine, with step-by-step refill instructions and safety warnings.

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See all Powertrain figures for the Fortwo (451), 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.