2008 MERCEDES-BENZ CLS63AMG engine

37 Getting started
Unlocking
For more information, see “Locking and
unlocking” (
page 100).
Unlocking with KEYLESS-GO*
With the KEYLESS-GO function, you can
lock and unlock the vehicle without using
the remote control buttons on the
SmartKey and start the engine without in-
serting the SmartKey in the starter switch. Pull an outside door handle.

All turn signal lamps flash once.

An acoustic signal sounds once.

The locking knobs in the doors
move up.

The anti-theft alarm system is dis-
armed.
Get in the vehicle.
For more information, see “SmartKey with
KEYLESS-GO*” (
page 103).
iOpening a door causes the window on that
door to open slightly. They will return to the up
position when the door is closed.
!The side windows will not open or close if
the battery is discharged or the windows are cov-
ered with ice. As a result, you may no longer be
able to properly close the door. Do not attempt
to force the door shut. Doing so may damage the
door or the side window. Correct the condition
that prevents the windows from operating before
attempting to close the door.
Warning!G
When leaving the vehicle, always take the
SmartKey with KEYLESS-GO with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. A child’s unsupervised ac-
cess to a vehicle could result in an accident
and/or serious personal injury.
iTo unlock the vehicle, the SmartKey with
KEYLESS-GO must be outside the vehicle, no fur-
ther than approximately 3 feet (1 meter) away
from the door.
iOpening a door causes the window on that
door to open slightly. They will return to the up
position when the door is closed.
!The side windows will not open or close if
the battery is discharged or the windows are cov-
ered with ice. As a result, you may no longer be
able to properly close the door. Do not attempt
to force the door shut. Doing so may damage the
door or the side window. Correct the condition
that prevents the windows from operating before
attempting to close the door.

38 Getting started
Unlocking
Starter switch positions SmartKey
Starter switch
0For removing SmartKey
1Power supply for some electrical con-
sumers2Ignition (power supply for all electrical
consumers) and driving position.
All lamps (except high beam headlamp
indicator lamp and turn signal indicator
lamps unless activated) in the instru-
ment cluster come on. If a lamp in the
instrument cluster fails to come on
when the ignition is switched on, have
it checked and replaced if necessary. If
a lamp in the instrument cluster re-
mains on after starting the engine or
comes on while driving, see “Lamps in
instrument cluster” (page 344).
3Starting position
Warning!G
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. A child’s unsupervised ac-
cess to a vehicle could result in an accident
and/or serious personal injury.
iWhen you switch on the ignition, the
indicator and warning lamps (except high beam
headlamp indicator lamp and turn signal indica-
tor lamps unless activated) in the instrument
cluster come on. The indicator and warning
lamps (except high beam headlamp indicator
lamp and turn signal indicator lamps if activated)
should go out when the engine is running. This in-
dicates that the respective systems are opera-
tional.

39 Getting started
Unlocking
For information on starting the engine with
the SmartKey, see “SmartKey”
(
page 100).SmartKey with KEYLESS-GO*
I f t h e S m a r t K e y w i t h K E Y L E S S - G O i s i n s i d e
the vehicle, pressing the KEYLESS-GO
start/stop button on the gear selector le-
ver corresponds to turning the SmartKey
to the various starter switch positions.
If you firmly depress the brake pedal dur-
ing pressing the KEYLESS-GO start/stop
button, the engine starts automatically.
KEYLESS-GO start/stop button
1USA only
2Canada only
The SmartKey with KEYLESS-GO must be
located in the vehicle.
Make sure the gear selector lever is set
toP.
Do not depress the brake pedal.
iThe SmartKey can only be removed from the
starter switch with the gear selector lever in
position P.
iIf the SmartKey is left in starter switch posi-
tion 0 for an extended period of time, it can no
longer be turned in the switch. In this case, the
steering is locked. To unlock, remove SmartKey
from the starter switch and reinsert.
!If the SmartKey cannot be turned in the
starter switch, the battery may not be sufficient-
ly charged.

Check the battery and charge it if necessary
(
page 420).

Get a jump start (page 423).
To prevent accelerated vehicle battery discharge
or a completely discharged vehicle battery, al-
ways remove the SmartKey from the starter
switch when the engine is not in operation.
iThe function of the SmartKey overrules the
KEYLESS-GO function.

40 Getting started
Unlocking
Position 0
Before you press the KEYLESS-GO start/
stop button, the vehicle’s on-board elec-
tronics have status 0 (as wit h Sma rtKey re-
moved).
Position 1
Press KEYLESS-GO start/stop button
once.
This supplies power for some electrical
consumers.Ignition (or position 2)
Press KEYLESS-GO start/stop button
twice.
This supplies power for all electrical
consumers. All lamps (except high
beam headlamp indicator lamp and
turn signal indicator lamps unless acti-
vated) in the instrument cluster come
on. If a lamp in the instrument cluster
fails to come on when the ignition is
switched on, have it checked and
replaced if necessary. If a lamp in the
instrument cluster remains on after
starting the engine or comes on while
driving, see “Lamps in instrument clus-
ter” (
page 344).For information on starting the engine us-
ing the KEYLESS-GO start/stop button
(
page 39).
iIf you now press the KEYLESS-GO
start/stop button

once again, the ignition (position2) is
switched on

twice, the power supply is again switched offiIf you now press the KEYLESS-GO
start/stop button once, the power supply is
again switched off.
iWhen you switch on the ignition, the
indicator and warning lamps (except high beam
headlamp indicator lamp and turn signal indica-
tor lamps unless activated) in the instrument
cluster come on. The indicator and warning
lamps (except high beam headlamp indicator
lamp and turn signal indicator lamps if activated)
should go out when the engine is running. This in-
dicates that the respective systems are opera-
tional.

46 Getting started
Adjusting
With the easy-entry/exit feature activated,
the steering wheel will return to its last set
position when you

close the driver’s door with the ignition
switched on
or

insert the SmartKey into the starter
switch or press the KEYLESS-GO*
start/stop button (
page 39) once
with the driver’s door closedWith the easy-entry/exit feature activated,
the steering wheel tilts upwards when you

remove the SmartKey from the starter
switch
or

open the driver’s door with the
SmartKey in starter switch position0
or1 or the KEYLESS-GO* start/stop
button (
page 39) in position 1
iThe last set steering wheel position is stored
when

the ignition is switched off

the position is stored in memory
(
page 123)
iIf the current position for the steering wheel
is in the uppermost tilt position, the steering
wheel will no longer be able to move upward
when the easy-entry/exit feature is activated.
The adjustment procedure is briefly interrupted
when the engine is started.
Warning!G
Let the system complete the adjustment
procedure before setting the vehicle in mo-
tion. All steering wheel adjustment must be
completed before setting the vehicle in mo-
tion. Driving off with the steering wheel still
adjusting could cause the driver to lose con-
trol of the vehicle.

51 Getting started
Driving
Starting the engine Automatic transmission
Gearshift pattern for automatic
transmission
PPark position with gear selector lever
lock
RReverse gear
NNeutral
DDrive position
For more information, see the “Controls in
detail” section (
page 169).Starting with the SmartKey
For information on turning off the engine
with the SmartKey, see “Turning off en-
gine” (
page 60).
Make sure the gear selector lever is set
toP.
Do not depress the accelerator.
Turn the SmartKey in the starter switch
to position3 and hold until the engine
starts (
page 38).
Warning!G
Inhalation of exhaust gas is hazardous to
your health. All exhaust gas contains carbon
monoxide (CO), and inhaling it can cause un-
consciousness and possible death.
Do not run the engine in confined areas
(such as a garage) which are not properly
ventilated. If you think that exhaust gas
fumes are entering the vehicle while driving,
have the cause determined and corrected
immediately. If you must drive under these
conditions, drive only with at least one win-
dow fully open.
iYou can also use the “touch-start” function.
Turn the SmartKey to position3 and release it
again immediately. The engine then starts auto-
matically.

52 Getting started
Driving
Starting with KEYLESS-GO*
You can start your vehicle without the
SmartKey in the starter switch using the
KEYLESS-GO start/stop button on the
gear selector lever.
For information on turning off the engine
with KEYLESS-GO, see “Locking with
KEYLESS-GO*” (
page 62).
The SmartKey with KEYLESS-GO must be
located in the vehicle.
KEYLESS-GO start/stop button
1USA only
2Canada only
Make sure the gear selector lever is set
toP.
Depress the brake pedal during the
starting procedure. Do not depress
accelerator.
The selector lever lock is released.
Press KEYLESS-GO start/stop
button1 once.
The engine starts if the SmartKey with
KEYLESS-GO is in the vehicle.Starting difficulties
If the engine does not start as described,
carry out the following steps:
If you are starting the engine with the
SmartKey, turn SmartKey in starter
switch to position0 and repeat starting
procedure.
If you are starting the engine with
KEYLESS-GO: Close any doors that
may be open to allow for better detec-
tion of the SmartKey with
KEYLESS-GO.
Or:
Start the engine with the SmartKey as
radio signals from another source may
be interfering with the SmartKey with
KEYLESS-GO.
Repeat the starting procedure
(
page 51). Remember that extended
starting attempts can drain the battery.
Get a jump start (page 423).
Warning!G
As long as the SmartKey with KEYLESS-GO
is in your vehicle, the vehicle can be started.
Therefore, never leave children unattended
in the vehicle, as they could otherwise acci-
dentally start the engine.
When leaving the vehicle, always take the
SmartKey with KEYLESS-GO with you and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle.

53 Getting started
Driving
If the engine does not start after several
starting attempts, there could be a mal-
function in the engine electronics or in the
fuel supply system.
Contact an authorized Mercedes-Benz
Center or call Roadside Assistance.
Parking brake
1Release handle
2Parking brake pedal
Release the parking brake pedal by
pulling on handle1.
The warning lamp; (USA only) or
3(Canada only) in the instrument
cluster goes out.
Driving off
Depress the brake pedal.
Move gear selector lever to positionD
orR.
Release the brake pedal.
Carefully depress the accelerator
pedal.
Once the vehicle is in motion, the automat-
ic central locking system engages and the
locking knobs drop down.
Warning!G
When leaving the vehicle, always remove the
SmartKey or the SmartKey with
KEYLESS-GO* from the starter switch, take
it with you and lock the vehicle. Do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. Children
could release the parking brake, which
could result in an accident and/or serious
personal injury.
iWait for the gear selection process to com-
plete before setting the vehicle in motion.
!If you hear a warning signal and the
message
Release Parking Brake appears in
the multifunction display when driving off, you
have forgotten to release the parking brake.
Release the parking brake (
page 53).