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Description

The Mercedes-Benz smart key nub is a small but essential component of the smart key system . It is the raised rubber or plastic button on the key fob that allows you to control the vehicle functions with ease. Key functions β€’ Lock / Unlock / Boot release β€’ Transfers finger pressure to the internal key switch β€’ Built for daily and long-term use Why it’s important β€’ A damaged nub can cause delayed or non-responsive buttons β€’ Replacing it restores smooth and reliable key operation β€’ More affordable than replacing the entire smart key Compatible Mercedes-Benz models This type of key nub is commonly used on: β€’ C-Class: C180, C200, C250, C300 (W204) β€’ E-Class: E200, E250, E300 (W212) β€’ S-Class: S350 (selected models) β€’ GLK-Class: GLK250, GLK300 β€’ CLS-Class: CLS250,