See also:

MB Info call button
Press and hold MB Info call button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in MB Info call button 1 flashes wh ...

Problems with the cooling with air dehumidification function
When you press the button, the indicator lamp in the button flashes three times or remains off. You can no longer switch on the cooling with air dehumidification function. X Consult a qualified ...

SmartKey
Display messages Possible causes/consequences and •► Solutions Key Does Not Belong to Vehicle You have put the wrong SmartKey in the ignition lock. •► Use the correct ...