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What to do if …
339
Problem Possible cause/consequence Suggested solutions
; (USA only)
3 (Canada only)
-
v
The red brake warning lamp
comes on while driving. In
addition, the yellow ABS
malfunction indicator lamp, and
the yellow ESP
®
warning lamp
come on and an acoustic warning
sounds.
The Electronic Brake
Proportioning (EBP) switched off
due to a malfunction.
The ABS, the BAS, and the ESP
®
are also switched off.
The brake system continues to
function normally, but without
electronic support.
X
Continue driving with added caution. Wheels may lock during hard
braking, reducing steering capability.
X
Read and observe messages that may appear in the multifunction
display (Y page 305).
X
Have the system checked at an authorized Mercedes-Benz Center
as soon as possible.
Failure to follow these instructions increases the risk of an accident.
; (USA only)
3 (Canada only)
The red brake warning lamp
comes on while driving and an
acoustic warning sounds.
You are driving with the parking
brake engaged.
X
Release the parking brake.
; (USA only)
3 (Canada only)
The red brake warning lamp
comes on while the engine is
running.
There is insufficient brake fluid in
the reservoir.
X
Risk of accident! Do not drive any further. Stop the vehicle in a safe
location as soon as it is safe to do so.
X
Engage the parking brake.
X
Read and observe messages that may appear in the multifunction
display (Y page 305).
X
Contact an authorized Mercedes-Benz Center. Do not add brake
fluid! This will not solve the problem.
Practical hints
Z