Mercedes-Benz Sprinter Operating Instructions Manual page 221

Indicator and warning lamps in the instrument cluster
Problem
b The red brake
system indicator
lamp is lit while
the engine is
running.
b When towing a
trailer: the red
brake system
indicator lamp is
lit while the
engine is run-
ning.
Additionally, a
warning tone
sounds.
: The yellow ASR/
BAS indicator
lamp is lit while
the engine is
running.
Possible causes/consequences and M Solutions
There is insufficient brake fluid in the expansion tank.
G
WARNING
Braking performance can be impaired.
There is a risk of an accident.
Vehicles with steering wheel buttons: also observe the mes-
X
sages in the display (
Y
Stop the vehicle as soon as possible, paying attention to road
X
and traffic conditions.
Check the brake fluid level in the expansion tank (
X
If the brake fluid is below the MIN mark: do not drive on!
X
Do not add brake fluid. This does not solve the problem.
X
Consult a qualified specialist workshop.
X
G
WARNING
The brake force booster in the trailer is faulty.
The driving and braking characteristics of your vehicle could
change. There is a risk of the trailer overbraking and of you losing
control over the truck/trailer combination.
There is a risk of an accident.
Vehicles with steering wheel buttons: also observe the mes-
X
sages in the display (
Y
Stop the vehicle as soon as possible, paying attention to road
X
and traffic conditions.
Do not drive on.
X
Consult a qualified specialist workshop.
X
ASR has been deactivated due to a malfunction.
The engine power output may be reduced.
G
WARNING
The driven wheels can spin when accelerating.
There is an increased risk of skidding and accidents.
Drive on with care.
X
Consult a qualified specialist workshop as soon as possible.
X
page 197).
page 197).
219
page 254).
Y
Z