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Practical hints
What to do if …
Problem Possible cause Suggested solution
3 (Canada only)
; (USA only)
The red brake warning lamp
lights up while driving and you
hear a warning sound.
You are driving with the parking brake set.
or
There is a malfunction in the SBC brake sys-
tem.
̈ Release the parking brake.
̈ Read and observe the message in the
display.
The red brake warning lamp
lights up while driving.
There is insufficient brake fluid in the reser-
voir.
̈ Risk of accident! Carefully stop the
vehicle and notify an authorized
Mercedes-Benz Center. Do not add
brake fluid! This will not solve the
problem.
Warning! G
Driving with the last message displayed can
result in an accident. Have your brake sys-
tem checked immediately if the brake warn-
ing lamp stays on.
Don’t add brake fluid before checking the
brake system. Overfilling the brake fluid res-
ervoir can result in spilling brake fluid on hot
engine parts and the brake fluid catching
fire. You can be seriously 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.