Problems with the SmartKey

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General notes
Important safety notes WARNING If you switch off the ignition while driving, safety-relevant functions are only available with limitations, or not at all. This could affect, for example, the powe ...

Qualified specialist workshop
An authorized Mercedes-Benz Center is a qualified specialist workshop. It has the necessary specialist knowledge, tools and qualifications to correctly carry out the work required on your vehicle. ...

Automatic locking feature
1 To deactivate 2 To activate ►  To disarm: press and hold button 1 for about five seconds until a tone sounds. ►  To arm: press and hold button 2 for about five seconds u ...