See also:

Overview
Four years after the market launch of the W221 model series, Mercedes-Benz is presenting the 2010 Mercedes-Benz S-Class. Trailblazing innovations in the areas of comfort and drive engineering comb ...

Storing the current speed or calling up a stored speed
WARNING The set speed stored in memory should only be set again if prevailing road conditions and legal speed limits permit. Possible acceleration or deceleration differences arising from r ...

Starting procedure with the SmartKey
To start the engine using the SmartKey instead of KEYLESS-GO, pull the Start/Stop button out of the ignition lock. To start a gasoline engine: turn the SmartKey to position 3 in the ignition lo ...