Mercedes-Benz GLK 300 4MATIC 2012 Owner's Manual page 257

Display messages
254
Display messages
J
Brake immediately Brake immediately
J
Check brake fluid Check brake fluid
level level
#
Check brake wear Check brake wear
PRE-SAFE PRE-SAFE
inoperative See inoperative See
Owner's Manual Owner's Manual
Possible causes/consequences and M M Solutions
A malfunction has occurred while the HOLD function or DIS-
TRONIC PLUS is active.
or
Vehicles with manual transmission: with the HOLD function acti-
vated, you have either:
opened the driver's door and released the seat belt or
R
switched off the engine or
R
opened the bonnet.
R
A tone may also sound at regular intervals. If you attempt to lock
the vehicle, the tone becomes louder.
You cannot start the engine.
Paying attention to the traffic situation, immediately depress the
X
brake pedal firmly and hold until the display message disap-
pears.
Use the folding wheel chock (
X
kit to secure the vehicle against rolling away.
You can restart the engine.
There is insufficient brake fluid in the brake fluid reservoir.
In addition, the red J warning lamp lights up in the instrument
cluster and a warning tone sounds.
G WARNING
The braking efficiency may be impaired.
There is a risk of an accident.
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.
Secure the vehicle against rolling away (
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
Important functions of PRE-SAFE
safety systems, e.g. airbags, remain available.
Visit a qualified specialist workshop immediately.
X
page 333), from the vehicle tool
Y
page 164).
Y
®
have failed. All other occupant