See also:

More power, lower consumption: the engines
An improvement of up to 31 per cent has been achieved in fuel consumption and all Mercedes-Benz C-Class launch models will feature the ECO start/stop function as standard. All the engine variants ...

Clearing the shift range restriction
Press and hold the selector lever towards D+ until D is shown once more in the multifunction display. or Pull and hold the right-hand steering wheel paddle shifter until D is shown again in th ...

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. ...