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How to Replace the Radio Antenna on a Smart 450

Model: Smart Smart 450 - Years 1998-2007
Part: Antenna

If you notice reception issues with your stock radio, you will likely need to replace the antenna. Fortunately, this is a straightforward task that you can do yourself. Follow these steps. First, park the car on a flat surface and turn it off completely. Go to the antenna and unscrew it by turning it counterclockwise (you can use pliers or a spanner for assistance). Once done, take the new antenna and insert it into the designated hole. Turn it clockwise until it is fully screwed in, and you're finished.

Updated on 15 May 2026 by ScegliAuto

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