See also:

Styling
The 2012 M-Class retains many of the previous generation's styling cues, like a wide front grille and forward-swept C-pillars, but the new design looks more substantial and imposing. Contributing ...

On-board diagnostic interface
WARNING If you connect equipment to the on-board diagnostics interface, it can affect the operation of the vehicle systems. This can impair the operating safety of your vehicle while driving ...

Storing the current speed or calling up the last 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 re ...