Mercedes-Benz GLK 300 4MATIC 2012, Owner'S Manual

Page: 257 / 381

Display messages Possible causes/consequences and M M Solutions
J
Brake immediately Brake immediately
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:
R
opened the driver's door and released the seat belt or
R
switched off the engine or
R
opened the bonnet.
A tone may also sound at regular intervals. If you attempt to lock
the vehicle, the tone becomes louder.
You cannot start the engine.
X
Paying attention to the traffic situation, immediately depress the
brake pedal firmly and hold until the display message disap-
pears.
X
Use the folding wheel chock (
Y
page 333), from the vehicle tool
kit to secure the vehicle against rolling away.
You can restart the engine.
J
Check brake fluid Check brake fluid
level level
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.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X
Secure the vehicle against rolling away (
Y
page 164).
X
Consult a qualified specialist workshop.
X
Do not top up the brake fluid. This does not correct the error.
#
Check brake wear Check brake wear
The brake pads/linings have reached their wear limit.
X
Visit a qualified specialist workshop.
PRE-SAFE PRE-SAFE
inoperative See
inoperative See
Owner's Manual Owner's Manual
Important functions of PRE-SAFE ® have failed. All other occupant
safety systems, e.g. airbags, remain available.
X
Visit a qualified specialist workshop immediately.
254
Display messages
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