Mercedes-Benz CLA Operator's Manual page 175

Activating the HOLD function
Example: vehicles with a color multifunction
display
Make sure that the activation conditions
X
are met.
Depress the brake pedal.
X
Quickly depress the brake pedal further
X
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:
you accelerate. On vehicles with automatic
R
transmission: only when the transmission
is in position D or R.
the transmission is in position P on vehicles
R
with automatic transmission.
you depress the brake pedal again with a
R
certain amount of pressure until :
disappears from the multifunction display.
you secure the vehicle using the electric
R
parking brake.
you activate DISTRONIC PLUS.
R
i
After a time, the electric parking brake
secures the vehicle and relieves the service
brake.
Driving systems
The electric parking brake automatically
secures the vehicle if the HOLD function is
activated and:
the driver's door is open and the driver's
R
seat belt is unfastened.
the engine is switched off, unless it is
R
automatically switched off by the ECO
start/stop function.
a system malfunction occurs.
R
the power supply is not sufficient.
R
If a malfunction occurs, then the transmission
may be shifted into position P automatically.
RACE START
Important safety notes
RACE START enables optimal acceleration
from a standing start. The precondition for
this is a suitable high-grip road surface.
RACE START is intended solely for activation
on dedicated race circuits.
i
RACE START is only available in AMG
vehicles.
Conditions for activation
You can activate RACE START if:
the doors, hood and the trunk lid are
R
closed.
the engine is running and the transmission,
R
all-wheel drive clutch and the engine are at
operating temperature.
SPORT handling mode is activated.
R
( page 66)
Y
the steering wheel is in the straight-ahead
R
position.
the vehicle is stationary and the brake
R
pedal is depressed (left foot).
the transmission is in position D.
R
drive program M is selected (
R
173
page 146).
Y
Z