See also:

Information for customers in California
Under California law you may be entitled to a replacement of your vehicle or a refund of the purchase price or lease price, if after a reasonable number of repair attempts Mercedes-Benz USA, L ...

Opening
Switch off the engine. emove the SmartKey from the ignition lock. KEYLESS-GO: open the driver’s door. This switches the ignition to position 0, which corresponds to having removed the SmartK ...

Connecting an external device
Do not leave external devices in the vehicle as extreme temperatures (e.g. direct sunlight or extremely low outside temperatures) could cause them to malfunction (see the operating instructions ...