Mercedes-Benz S-Sedan 2015 Owners Manual - Manual (Page 278)

Display messages Possible causes/consequences and M M Solutions
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.
X
Switch off the ignition and turn it back on.
X
Apply the electric parking brake.
If it is not possible to engage the electric parking brake:
X
Shift the transmission to P.
X
Visit a qualified specialist workshop.
If it is not possible to release the electric parking brake:
X
Release the electric parking brake automatically (
Y
page 194).
If the electric parking brake still cannot be released:
X
Consult a qualified specialist workshop.
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 Parking Brake Brake Inop‐ Inop‐
erative erative
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 over-
voltage 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.
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