Diagnosis Assistance System (DAS) data link connector X11/4 location under instrument panel driver side, model 451.

X11/4 data link connector mounted under dashboard on driver side of smart fortwo 451.

View full-size image ↗

See all Electrical 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.