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The Immobiliser of the Smart Fortwo.

Model: Smart Smart 450 - Years: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Part: Key

See other generations:
Video tutorial

In this video tutorial, you can see the issues related to the immobiliser on the Smart Fortwo. The immobiliser is a security system that prevents the vehicle from starting without the key authentication.

Problems with the immobiliser may be caused by an issue with the battery or relay, the key, the coil, or problems with the transponder, etc. If you encounter a problem with the immobiliser, you will notice that the red warning light may remain continuously illuminated on the dashboard.

Therefore, it is advisable to have the issue resolved at an authorised workshop.


Updated on 10 May 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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