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Practical hints
What to do if …
Display symbol Display messages Possible cause/consequence Possible solution
; (USA only)
3 (Canada only)
Check
brake fluid level
There is insufficient brake fluid
in the reservoir.
̈ Risk of accident! Stop the vehicle in a
safe location or as soon at is safe to do
so.
̈ Apply the parking brake (୴ page 65).
̈ Notify an authorized Mercedes-Benz
Light Truck Center. Do not add brake
fluid! This will not solve the problem.
? (USA only)
± (Canada only)
Engine
Service
There may be a malfunction in
the
ț fuel injection system
ț ignition system
ț exhaust system
ț fuel system
̈ Have the engine checked by an
authorized Mercedes-Benz Light Truck
Center.
Warning! G
Driving with the message
Check brake
fluid level
displayed can result in an ac-
cident. Have your brake system checked im-
mediately. Do not add brake fluid before
checking the brake system. Overfilling the
brake fluid reservoir can result in spilling
brake fluid on hot engine parts and the
brake fluid catching fire. You could be seri-
ously burned.
!
If you find that the brake fluid in the brake
fluid reservoir has fallen to the minimum mark or
below, have the brake system checked for brake
pad thickness and leaks.