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 ...

Points to observe before use
The socket in the center console and the socket in the cargo compartment are not intended for operating the tire inflation compressor. The sockets can be used for accessories, e. g. lamps o ...

Complete safety package for maximum occupant protection
In combination with the front and rear deformation zones, the Mercedes-Benz GLK-Class's highstrength passenger cell provides a highly efficient foundation for the occupant protection systems. Thes ...