See also:

Important safety notes
WARNING Do not turn off the engine before the vehicle has come to a complete stop. With the engine not running, there is no power assistance for the brake and steering systems. In this case, ...

Center console, lower section - AMG vehicles
  ...

Downshifting
Briefly press the selector lever to the left towards D–. or Pull the left-hand steering wheel paddle shifter. The automatic transmission shifts down to the next gear. If you brake the vehic ...