Mercedes-Benz M-Class Owners Manual

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Kickdown
Kickdown is not possible in manual drive program M. ...

Activating the HOLD function
– Make sure that the activation conditions are met. – Depress the brake pedal. – Quickly depress the brake pedal further until HOLD display 1 appears in the multifunction display. The HOL ...

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