Important safety notes
WARNING 
For reasons of safety, have the NECK-PRO
head restraints/NECK-PRO luxury head
restraints checked at an authorized
Mercedes-Benz Center after a rear-end
collision.
WARNING
When pushing back the NECK-PRO head
restraint cushion, make sure your fingers do
not become caught between the head
restraint cushion and the cover. Failure to
observe this could result in injuries.
See also:
Displaying the range and current fuel consumption
Press the or
button on the steering wheel to
select the Trip menu.
Press the or
button to select current fuel consumption
and approximate range.
Current fuel consumption
A ...
Guide lines in the COMAND display
WARNING
Use of rear view camera can be dangerous if you are color-blind or have impaired
color vision.
Only use rear view camera if you can see and distinguish all colored guidelines
shown ...
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 ...