Operation Manual

This steering assistance is provided in partic-
ular if:
R
both right wheels or both left wheels are on
a wet or slippery road surface when you
brake.
R
the vehicle starts to skid.
Important safety notes
i
Observe the "Important safety notes" sec-
tion (Y page 63).
No steering assistance is provided from
STEER CONTROL, if:
R
ESP
®
is malfunctioning.
R
the lighting is faulty.
If ESP
®
is malfunctioning, you will be assisted
further by the electrical power steering.
Protection against theft
Immobilizer
The immobilizer prevents your vehicle from
being started without the correct SmartKey.
X
To activate with the SmartKey: remove
the SmartKey from the ignition lock.
X
To activate with KEYLESS-GO start-
function or KEYLESS-GO: switch the igni-
tion off and open the driver's door.
X
To deactivate: switch on the ignition.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Any-
one can start the engine if a valid SmartKey
has been left inside the vehicle.
i
The immobilizer is always deactivated
when you start the engine.
In the event that the engine cannot be star-
ted (yet the vehicle's battery is charged),
the system is not operational. Contact an
authorized Mercedes-Benz Center or call
1-800-FOR-MERCedes (in the USA) or
1-800-387-0100 (in Canada).
ATA (anti-theft alarm system)
X
To arm: lock the vehicle with the SmartKey
or KEYLESS-GO.
Indicator lamp : flashes. The alarm sys-
tem is armed after approximately
15 seconds.
X
To disarm: unlock the vehicle with the
SmartKey or KEYLESS-GO.
or
X
Insert the SmartKey into the ignition lock.
A visual and audible alarm is triggered if the
alarm system is armed and you open:
R
a door
R
the vehicle with the mechanical key
R
the trunk lid
R
the hood
X
To turn the alarm off with the SmartKey:
press the % or & button on the
SmartKey.
The alarm is switched off.
or
X
Vehicles with KEYLESS-GO start-func-
tion or KEYLESS-GO: remove the Start/
Stop button from the ignition lock
(Y page 141).
X
Insert the SmartKey into the ignition lock.
The alarm is switched off.
Protection against theft
71
Safety
Z