Belt height adjustment
You can adjust the seat belt height on the driver's seat and the front-passenger seat.

Adjust the height so that the upper part of the seat belt is routed across the center of your shoulder.
- To raise: slide the belt sash guide upwards. The belt sash guide engages in various positions.
- To lower: press and hold belt sash guide release 1.
- Slide the belt sash guide downwards.
- Release belt sash guide release 1 and make sure that the belt sash guide has engaged.
See also:
Purity
Assuring the purity of DEF is particularly
important with respect to avoiding
malfunctions in the exhaust gas
aftertreatment system.
If DEF is pumped out of the DEF tank, e.g. during repair wor ...
Warning and display messages in the multifunction display
Activate ATTENTION ASSIST using
the onboard
computer.
Symbol 1 appears in the multifunction
display.
If ATTENTION ASSIST is active, you will be
warned no sooner than 20 minutes after your ...
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 ...
