See also:

Safety notes
WARNING   Work improperly carried out on electronic components and associated software could cause them to cease functioning. Because the vehicle's electronic components are interconnec ...

Brake fluid level
If you notice that the brake fluid level in the brake fluid reservoir has fallen to the MIN mark or less, check the brake system immediately for leaks. Also check the thickness of the brake lin ...

De-authorizing (de-registering) a Bluetooth® device
Mercedes-Benz USA, LLC recommends deauthorization in both COMAND and the Bluetooth® device, e.g. the mobile phone. Subsequent authorization may otherwise fail. In the Bluetooth® device list, se ...