See also:

Mercedes-Benz M-Class Owners Manual
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Driving on wet roads
Hydroplaning If water has accumulated to a certain depth on the road surface, there is a danger of hydroplaning occurring, even if:  - you drive at low speeds.  - the tires have ad ...

Important safety notes
Have the batteries changed at a qualified specialist workshop. WARNING Batteries contain toxic substances. Swallowing batteries can lead to serious health issues or death. Keep batteries o ...