See also:

Basic telephone menu (Bluetooth® interface)
To call up the telephone menu: press the function button once or twice. If the mobile phone is ready for use, the following display appears: Example display: telephone basic menu (Bluetooth® ...

SmartKey battery
Important safety notes It is advisable to have batteries replaced at a qualified specialist workshop, e.g. at an authorized Mercedes-Benz Center. WARNING   Batteries contain toxic and c ...

Setting a speed
WARNING Keep in mind that it may take a brief moment until the vehicle has made the necessary adjustments. Increase or decrease the set vehicle speed to a value that the prevailing road cond ...