See also:

Additives
Do not use any additives in the engine oil. This could damage the engine. ...

Tips for driving with DISTRONIC PLUS
Important safety notes The following contains descriptions of certain road and traffic conditions in which you must be particularly attentive. In such situations, brake if necessary. DISTRONIC ...

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 ...