Display messages
Possible causes/consequences and
M
M
Solutions
!
Parking brake inop‐
Parking brake inop‐
erative
erative
The yellow
!
warning lamp lights up. The red
!
indicator lamp
flashes for about ten seconds after the electric parking brake has been
applied or released. It then goes out or remains lit.
The electric parking brake is malfunctioning, e.g. because of over-
voltage or undervoltage.
X
Rectify the cause of the overvoltage or undervoltage, e.g. by charg-
ing the battery or restarting the engine.
X
Apply or release the electric parking brake.
If the electric parking brake still cannot be applied or released:
X
Switch off the ignition and turn it back on.
X
Apply or release the electric parking brake.
If the electric parking brake still cannot be released:
X
Consult a qualified specialist workshop.
If it is still not possible to apply the electric parking brake:
X
Consult a qualified specialist workshop.
The yellow
!
warning lamp lights up and the red
!
indicator
lamp flashes.
It is not possible to apply the electric parking brake manually.
X
Vehicles with manual transmission: engage first gear.
X
Vehicles with automatic transmission: shift the transmission to
position P.
X
Consult a qualified specialist workshop.
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
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
Safeguard the vehicle against rolling away (
Y
page 172).
X
Consult a qualified specialist workshop.
X
Do not top up the brake fluid. This does not correct the fault.
#
Check
Check brake
brake pad
pad wear
wear
The brake pads/linings have reached their wear limit.
X
Consult a qualified specialist workshop.
G
Inoperative
Inoperative
One or more main features of the Mercedes-Benz Contact system are
malfunctioning.
X
Consult a qualified specialist workshop.
Display messages
259
On
-b
oar
dc
omp
ut
er
an
dd
ispla
ys
Z