Mercedes-Benz 2013 M Class - Manual (Page 290)

Display messages Possible causes/consequences and M Solutions
The yellow ! warning lamp lights up. If you manually apply or
release the electric parking brake, the red F (USA
only)/! (Canada only) indicator lamp flashes.
The electric parking brake is malfunctioning. It is not possible to
apply the electric parking brake manually.
X Shift the transmission to P.
X Visit a qualified specialist workshop.
F
(USA
only)
!
(Canada
only)
Parking Brake
Inoperative
The yellow ! warning lamp lights up. The red F (USA
only)/! (Canada only) 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
overvoltage or undervoltage.
X Remove the cause for the overvoltage or undervoltage, e.g. by
charging the battery or restarting the engine.
X Engage 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 Engage 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 yellow ! warning lamp lights up and the red F (USA
only)/ ! (Canada only) indicator lamp flashes.
It is not possible to apply the electric parking brake manually.
X Shift the transmission to P.
X Visit a qualified specialist workshop.
F
(USA
only)
!
(Canada
only)
Turn On the
Ignition to
Release the
Parking Brake
The red F (USA only)/! (Canada only) indicator lamp lights
up.
You attempted to release the electric parking brake while the
ignition was switched off.
X SmartKey: turn the SmartKey to position 1 in the ignition lock.
X KEYLESS-GO: switch on the ignition.
288
Display messages
On-board computer and displays