Display symbol
Display message
;
(USA only)
Release
parking brake
!
(Canada only)
;
(USA only)
Changed braking behavior
Drive with extreme care
3
(Canada only)
Possible cause/consequence Possible solution
You are driving with the parking
brake set.
A malfunction in the Electronic
Brake Proportioning
( page 102) was detected.
Practical hints
What to do if ...
Release the parking brake ( page 56).
Continue driving with added caution.
Wheels may lock during hard braking,
reducing steering capability.
Read and observe messages in the multi-
function display.
Have the system checked at an autho-
rized Mercedes-Benz Light Truck Center
as soon as possible.
Failure to follow these instructions increases
the risk of an accident.
431