Mercedes-Benz 2012 A Class - Manual (Page 183)

The electric parking brake secures the vehicle
automatically if the HOLD function is activa-
ted and:
R
the driver's door is open and the driver's
seat belt is unfastened
R
the engine is switched off, unless it is auto-
matically switched off by the ECO start/
stop function
R
a system fault occurs
R
the power supply is not sufficient
Vehicles with automatic transmission
If a fault occurs, then the transmission may
also be shifted into position
P automatically.
Vehicles with manual transmission
The
Brake immediately message can also
appear in the multifunction display.
X Immediately depress the brake pedal firmly
until the warning message in the multifunc-
tion display goes out.
The HOLD function is deactivated.
A horn will sound at regular intervals if you
turn off the engine, take off your seat belt or
open the driver's door when the HOLD func-
tion is activated. The horn alerts you to the
fact that the HOLD function is still activated.
If you attempt to lock the vehicle, the tone
becomes louder. The vehicle cannot be
locked until you have deactivated the HOLD
function.
i Once you have switched off the engine,
you cannot restart it until you have deacti-
vated the HOLD function.
RACE START
Important safety notes
RACE START enables optimum acceleration
from a standing start. The precondition for
this is a suitable high-grip road surface.
Only activate RACE START on dedicated race
circuits.
i RACE START is only available in AMG vehi-
cles.
Activation conditions
You can activate RACE START if:
R
the doors, the bonnet and the tailgate are
closed
R
the engine is running and the transmission,
traction control and engine are at operating
temperature
R
SPORT handling mode is activated
(
Y page 66)
R
the steering wheel is in the straight-ahead
position.
R
the vehicle is stationary and the brake
pedal is depressed (left foot)
R
the transmission is in position D.
R
drive program M is selected ( Y page 155).
Activating RACE START
X Depress the brake pedal with your left foot
and keep it depressed.
X Pull and hold both steering wheel gearshift
paddles.
X The RACE START Confirm: Paddle UP
Cancel: Paddle DOWN message appears
in the multifunction display.
X Release both steering wheel gearshift pad-
dles.
i If the activation conditions are no longer
fulfilled, RACE START is cancelled. The
RACE START not possible See Own‐
er's Manual message appears in the mul-
tifunction display.
X To cancel: pull the left steering wheel shift
paddle ( Y page 156).
or
X To confirm: pull the right steering wheel
shift paddle ( Y page 156).
The RACE START available Depress
accelerator message appears in the mul-
tifunction display.
Driving systems
181
Driving and parking
Z