Mercedes-Benz 2013 C-Class Coupe, Owner'S Manual

Page: 244 / 388

Safety systems (4-button multifunction steering wheel)
Display messages Possible causes/consequences and
M
Solutions
ABS
curr. unavail.
ABS (Anti-lock Braking System), ESP
®
(Electronic Stability Pro-
gram), BAS (Brake Assist), PRE-SAFE
®
, the HOLD function, hill
start assist and ESP
®
trailer stabilisation are temporarily unavail-
able.
The adaptive brake lights may also have failed.
In addition, the
÷
,
å
and
!
warning lamps light up in
the instrument cluster.
Possible causes:
R
self-diagnosis is not yet complete.
R
the on-board voltage may be insufficient.
G
WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely affec-
ted. The braking distance in an emergency braking situation can
increase.
If ESP
®
is not operational, ESP
®
is unable to stabilise the vehicle.
The danger of skidding and having an accident increases.
X
Carefully drive on a suitable stretch of road, making slight steer-
ing movements at a speed above 20 km/h.
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
X
Drive on carefully.
X Visit a qualified specialist workshop.
ABS
inoperative
ABS, ESP
®
, BAS, PRE-SAFE
®
, the HOLD function, hill start assist
and ESP
®
trailer stabilisation are unavailable due to a malfunction.
The adaptive brake lights may also have failed.
In addition, the
÷
,
å
,
!
and
J
warning lamps light
up in the instrument cluster.
G
WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
242
Display messages
On-board computer and displays