Mercedes-Benz 2013 CLA Class - Manual (Page 234)

Display messages Possible causes/consequences and M Solutions
!
Parking brake inop‐
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
charging the battery or restarting the engine.
X Apply or release the electric parking brake.
If it remains impossible to apply or release the electric parking
brake:
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.
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.
X Move the transmission selector lever to P.
X Visit a qualified specialist workshop.
!
Turn on the igni‐
tion to release
the parking brake
The red ! indicator lamp lights up.
You attempted to release the electric parking brake while the igni-
tion was switched off.
X Turn the key to position 1 in the ignition lock.
J
Brake immediately
Vehicles with manual transmission: a malfunction has occurred
while the HOLD function was activated.
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 Secure the vehicle against rolling away ( Y page 162).
You can restart the engine.
232
Display messages
On-board computer and displays