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When Active Distance Assist DISTRONIC or
the HOLD function is activated, the vehicle
brakes automatically in certain situations.
To avoid damage to the vehicle, deactivate
Active Distance Assist DISTRONIC and the
HOLD function in the following or similar sit-
uations:
R
when towing the vehicle
R
in the car wash
Deactivating the HOLD function (Y page 159).
Activation conditions
You can activate the HOLD function if:
R
the vehicle is stationary
R
the engine is running or if it has been auto-
matically switched off by the ECO start/stop
function
R
the driver's door is closed or your seat belt is
fastened
R
the electric parking brake is released
R
Active Distance Assist DISTRONIC is deacti-
vated
R
the transmission is in position h, k or i
on vehicles with automatic transmission
Activating the HOLD function
X
Make sure that the activation conditions are
met.
X
Depress the brake pedal.
X
Quickly depress the brake pedal further
until : appears in the multifunction display.
The HOLD function is activated. You can
release the brake pedal.
i
If depressing the brake pedal the first time
does not activate the HOLD function, wait
briefly and then try again.
Deactivating the HOLD function
The HOLD function is deactivated automatically
if:
R
you accelerate. On vehicles with automatic
transmission: only when the transmission is in
position h or k.
R
the transmission is in position j on vehicles
with automatic transmission.
R
you depress the brake pedal again with a cer-
tain amount of pressure until : disappears
from the multifunction display.
R
you activate Active Distance Assist
DISTRONIC.
R
you secure the vehicle using the electric park-
ing brake.
i
After a time, the electric parking brake
secures the vehicle and relieves the service
brake.
When the HOLD function is activated, the trans-
mission is automatically shifted to position j
if:
R
the driver's seat belt is not fastened and the
driver's door is open
R
the engine is switched off, unless it is auto-
matically switched off by the ECO start/stop
function
The electric parking brake secures the vehicle
automatically if the HOLD function is activated
when the vehicle is stationary and:
R
a system malfunction occurs
R
the power supply is insufficient
Start-off Assist (except Mercedes-
AMG vehicles)
Important safety notes
G
WARNING
If you use start-off assist, individual wheels
may start to spin and the vehicle may skid. If
ESP
®
is deactivated, there is a greater danger
of skidding and having an accident. Make sure
that no persons or obstacles are in the vicinity
of the vehicle.
Start-off assist enables optimum acceleration
from a standstill. For this, a suitably high-grip
Driving systems
159
Driving and parking
Z
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