Mercedes-Benz 2013 M Class - Manual (Page 285)

Safety systems
Display messages Possible causes/consequences and M Solutions
!÷
Currently
Unavailable See
Operator's Manual
ABS (Anti-lock Braking System), ESP ® (Electronic Stability
Program), BAS (Brake Assist), PRE-SAFE ® , the HOLD function, hill
start assist and ESP ® trailer stabilization are temporarily
unavailable.
COLLISION PREVENTION ASSIST, BAS PLUS and
PRE-SAFE
® Brake may also have failed.
In addition, the ÷, å and ! warning lamps light up in
the instrument cluster.
ATTENTION ASSIST is deactivated.
Possible causes are:
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
affected. The braking distance in an emergency braking situation
can increase.
If ESP
® is not operational, ESP ® is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Carefully drive a short distance on a suitable stretch of road,
making slight steering movements at a speed above 12 mph
(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.
!÷
Inoperative See
Operator's Manual
ABS, ESP ® , BAS, PRE-SAFE ® , the HOLD function, hill start assist
and ESP ® trailer stabilization are unavailable due to a malfunction.
COLLISION PREVENTION ASSIST, BAS PLUS and
PRE-SAFE
® Brake may also have failed.
The $ (USA only)/J (Canada only), ÷, å and !
warning lamps in the instrument cluster also light up.
ATTENTION ASSIST is deactivated.
G
WARNING
Display messages
283
On-board computer and displays
Z