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Practical hints
What to do if …
Problem Possible cause/consequence Suggested solution
; (USA only)
3 (Canada only)
The red brake warning lamp
comes on while driving and
you hear a warning sound.
You are driving with the parking brake set. ̈ Release the parking brake
(
୴ page 54).
; (USA only)
3 (Canada only)
The red brake warning lamp
comes on when the engine is
running and you hear a warn-
ing sound.
ț There is a malfunction in the
electro-hydraulic brake system.
ț There is insufficient brake fluid in the reser-
voir.
̈ Read and observe messages in the
display (
୴ page 347).
̈ Risk of accident! Carefully stop the
vehicle in a safe location or as soon as
it is safe to do so and notify an autho-
rized Mercedes-Benz Center. Do not
add brake fluid! This will not solve the
problem.
Warning! G
Driving with the brake warning lamp illumi-
nated can result in an accident. Have your
brake system checked immediately if the
brake warning lamp stays on. Do not add
brake fluid before checking the brake sys-
tem.
Overfilling the brake fluid reservoir can re-
sult 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.