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340 Display messages and warning and indicator lamps
Warning/indicator
lamp
J
Brake system warning
lamp
!
ABS warning lamp
Possible causes/consequences and
& WARNING Risk of accident and injury if brake force boosting
is malfunctioning
If brake force boosting is malfunctioning, increased brake pedal
force may be necessary for braking. The braking characteristics
may be impaired. The braking distance can increase in emergency
braking situations.
Stop in a safe location immediately. Do not continue driving!
#
Consult a qualified specialist workshop.
#
Secure the vehicle against rolling away.
#
*The red brake system warning lamp is on while the vehicle is ready to
start.
There is insufficient brake fluid in the brake fluid reservoir.
& WARNING Risk of an accident due to low brake fluid level
If the brake fluid level is too low, the braking effect and the brak‐
ing characteristics may be impaired.
Stop the vehicle as soon as possible, paying attention to
#
road and traffic conditions. Do not continue driving.
Consult a qualified specialist workshop.
#
Do not top up the brake fluid.
#
Secure the vehicle against rolling away.
#
*The yellow ABS warning lamp is on while the vehicle is ready to start.
ABS has been switched off due to a malfunction. As a result, BAS, hill
®
start assist and ESP
been switched off.
ATTENTION ASSIST has been deactivated and additional driving sys‐
tems may have been switched off automatically.
& WARNING Risk of skidding if ABS and ESP
ing
The wheels may block during braking and ESP
any vehicle stabilization.
The steerability and braking characteristics are heavily impaired
and the braking distance may increase. In addition, other driving
safety systems are switched off.
Drive on carefully.
#
Have ABS and ESP
#
cialist workshop.
Switch off the drive system, wait a while and restart the drive sys‐
#
tem.
Check whether the display message has disappeared and ESP
#
operational.
M M
Solutions
as well as their driving safety systems have also
®
checked immediately at a qualified spe‐
®
are malfunction‐
®
does not perform
®
is
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