See also:

Clearing the shift range restriction
Pull and hold the right-hand steering wheel paddle shifter until D is shown again in the multifunction display. The automatic transmission shifts from the current shift range directly to D. ...

BAS PLUS (Brake Assist System Plus)
BAS PLUS is only available in vehicles equipped with DISTRONIC PLUS. Observe the "Important safety notes" section. At speeds above approximately 20 mph (30 km/h), BAS PLUS assists ...

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 ...