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Vehicles/Smart/Fortwo W451 2007–2014

W451

Smart Fortwo W451
2007–2014

Key reference: A4518200197

Verified · record updated 4 May 2026

Mercedes-Benz EIS / Siemens/Continental ImmobiliserAdd a key · ExpertAll keys lost · Expert

Key

At a glance

Key type: Remote Head Key
Buttons: 2
Battery: CR2025
Cloning: Not possible
OEM part no.: A4518200197, Q0007638V001000000

Compatible tools

Confirmed

3 tools confirmed

AVDIAbrites
MaxiIM IM608 Pro IIAutel
XP400 ProAutel

OBD port

Where to find it

Illustration — use it to know where to look.

Location

Driver's footwell, below the steering column, left side.

OBD locations for every Smart

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