See also:

SmartKey battery
Important safety notes It is advisable to have batteries replaced at a qualified specialist workshop, e.g. at an authorized Mercedes-Benz Center. WARNING   Batteries contain toxic and c ...

Important notes
In order to prevent the vehicle's battery from discharging, the interior lighting functions are automatically deactivated after some time except for when the SmartKey is in position 2 in the i ...

Coolant
Important safety notes The coolant is a mixture of water and antifreeze/corrosion inhibitor. It performs the following tasks: • anti-corrosion protection • antifreeze protection • raising the bo ...