See also:

Fogged up or dirty windshield
If the windshield in front of the camera is fogged up or dirty on the inside or outside, the Night View Assist Plus display is affected. WARNING Please do not forget that your primary respons ...

Cleaning the steering wheel and gear or selector lever
  Thoroughly wipe with a damp cloth or use leather care agents that have been recommended and approved by Mercedes- Benz. ...

Downshifting
Pull the left-hand steering wheel paddle shifter. The automatic transmission shifts down to the next gear. If you brake the vehicle or stop without shifting down, the automatic transmission ...