See also:

High outside temperatures
If DEF heats up to over 122 °F (50 °C ) for extended periods, e.g. as a result of direct sunlight on the DEF reservoir, DEF can decompose. Ammonia vapors develop as a result. WARNING When o ...

Switching on the manual drive program
The manual drive program is only available for vehicles with the dynamic handling package and for AMG vehicles. Manual drive program M is different from drive program S (in AMG vehicles, drive ...

Unlocking the trunk (Sedan)
The trunk lid swings upwards when opened. Therefore, make sure that there is sufficient clearance above the trunk lid. If the trunk cannot be unlocked with the SmartKey or KEYLESS-GO, use the ...