Page 399 of 522

398 Practical hintsWhat to do if …Text messagesDisplay message
Possible cause/consequence
Possible solution
ABS
ABS, ESP
inoperative
See Operator’s Man.
ABS, ESP
® as well as PRE-SAFE
®
have switched off due to a malfunc-
tion.
BAS is also switched off.
The brake system is still functioning
normally but without the ABS, BAS,
ESP
® and PRE-SAFE
® available.
Continue driving with added caution.
Wheels will lock during hard braking, reduc-
ing steering capability.
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.
ABS, ESP
unavailable
See Operator’s Man.
ABS, ESP
® as well as PRE-SAFE
®
were deactivated because of insuffi-
cient power supply. The charging
voltage has fallen below 10 volts.
The brake system still functions nor-
mally but without the ABS, BAS,
ESP
® and PRE-SAFE
® available.
When the voltage is above this value again, the
ABS, ESP
® and PRE-SAFE
® are operational
again and the message should disappear.
If the message does not disappear:
Have the system checked at an authorized
Mercedes-Benz Center as soon as possible.
Page 403 of 522
402 Practical hintsWhat to do if …Display message
Possible cause/consequence
Possible solution
ESP
inoperative
See Operator’s Man.
The ESP
® as well as BAS and
PRE-SAFE® have detected a mal-
function and switched off.
The ABS may not be operational.
The brake system is still functioning
normally but without the ABS, BAS,
ESP
® and PRE-SAFE
® available.
Continue driving with added caution.
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.
Page 414 of 522

413 Practical hints
What to do if …
Display symbol
Display message
Possible cause/consequence
Possible solution
(USA only);(Canada only)3
EBV, ABS, ESP
inoperative
See Operator’s Man.
ABS, ESP
®, EBP as well as PRE-SAFE
®
have switched off due to a malfunction.
BAS is also switched off.
The brake system is still functioning nor-
mally but without the ABS, BAS, ESP
® and
PRE-SAFE
® available.
Continue driving with added caution.
Adjust driving to be consistent with
reduced braking responsiveness.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Release parking
brake
You are driving with the parking brake
set.
Release the parking brake
(page 55).
Check
brake fluid level
There is insufficient brake fluid in the
reservoir.
Risk of accident! Stop the vehicle in a
safe location as soon as it is safe to do
so and notify an authorized
Mercedes-Benz Center. Do not add
brake fluid! This will not solve the
problem.
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 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.