See also:

Speed rating
The speed rating is part of the tire identification. It specifies the speed range for which the tire is approved. ...

Charging the battery
WARNING Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosions ...

Winter tires
At temperatures below 45 °F (+7 °C), use winter tires or all-season tires. Both types of tire are identified by the M+S marking. Only winter tires bearing the snowflake symbol in addition ...