Diagnosis case cable set (450 589 04 63 00) and battery tester tool (450 589 15 21 00) for Smart chassis 450, 451, 452, 454.

Diagnostic cable case and battery tester with part numbers for Smart service manual.

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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.