Mercedes-Benz M-Class Owner's Manual page 262

Display messages
!
Turn on the igni‐
tion to release
the parking brake
J
Check brake fluid
level
#
Check brake wear
PRE-SAFE
inoperative See
Owner's Manual
Possible causes/consequences and M Solutions
The display message is only shown while the vehicle is in motion.
The red ! indicator lamp flashes and the yellow ! warning
lamp is lit.
It is not possible to apply the electric parking brake manually.
Shift the transmission to P.
X
Visit a qualified specialist workshop.
X
The red ! indicator lamp is lit.
You attempted to release the electric parking brake while the igni-
tion was switched off.
Key: turn the key to position 1 in the ignition lock.
X
KEYLESS-GO: switch on the ignition.
X
G
Risk of accident
There is insufficient brake fluid in the brake fluid reservoir. In addi-
tion, the red J warning lamp in the instrument cluster lights
up and a warning tone sounds.
Pull over and stop the vehicle safely as soon as possible, paying
X
attention to road and traffic conditions. Do not continue driving
under any circumstances.
Apply the electric parking brake.
X
Consult a qualified specialist workshop.
X
Do not top up the brake fluid. This does not correct the error.
X
The brake pads/linings have reached their wear limit.
Visit a qualified specialist workshop.
X
G
Risk of injury
Important functions of PRE-SAFE
safety systems, e.g. airbags, remain available.
Visit a qualified specialist workshop immediately.
X
Display messages
®
have failed. All other occupant
259
Z