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156 Driver assistance systems
Note
If the City Safety Assist function activates a brake, the brake pedal range is
reduced. This makes the brake pedal seem “harder”.
Note
Automatic brake intervention by the City Safety Assist function can be can-
celled by pressing the clutch pedal, the accelerator pedal or by a corrective
intervention.
Note
During the automatic braking by the City Safety Assist function you may
hear unusual noises. This is normal and is produced in the brakes system.
Warning and control lamps
The City Safety Assist function is switched on every time the ignition is
switched on. No special indication is produced.
If the City Safety Assist function is switched off, functions or there is an error
in the system, this will be shown by a control lamp on the instrument panel
display.
lights up Possible cause ⇒ Solution
The City Safety Assist func-
tion has been switched on
manually using the button
⇒ Fig. 98.
The control lamp turns off after
about 5 seconds.
flashes Possible cause ⇒ Solution
fast: The City Safety Assist
system function brakes auto-
matically or has braked auto-
matically.
Control lamp turns off automati-
cally.
slow: City Safety Assist func-
tion is not currently available.
If the vehicle is stopped, switch
off the engine and switch it on
again. If necessary, inspect the
laser sensor (dirt, frozen) ⇒
in Laser sensor on page 157. If
it still does not function, refer to
a Specialised workshop to have
the system inspected.
within the operating area of
5-30– km/h (3-19 mph): The
City Safety Assist function
has been switched off man-
ually using the button
⇒ Fig. 98.
Switch on the City Safety Assist
function manually using the but-
ton
⇒ Fig. 98.
Several warning and control lamps light up for a few seconds when the igni-
tion is switched on while a test of the function is being carried out. They will
switch off after a few seconds.
WARNING
If the warning lamps are ignored, the vehicle may stall in traffic, or may
cause accidents and severe injuries.
● Never ignore the warning lamps.
● Stop the vehicle safely as soon as possible.
CAUTION
Failure to heed the warning lamps when they appear may result in faults in
the vehicle.
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