2008 MERCEDES-BENZ CLS500 stop start

30 At a glance
Center console
Lower partItemPage
1Ashtray248
2KEYLESS-GO* start/stop
button39
3Gear selector lever for
automatic transmission51,
171
4Parking assist (Parktronic
system)* deactivation
switch234
5Adaptive Damping System
(ADS) switch230
ItemPage
6Vehicle level control button231
7Thumbwheel for setting dis-
tance in Distronic*226
8Distance warning function*
on/off switch226
9Program mode selector
switch for automatic trans-
mission175

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.

45 Getting started
Adjusting
Steering wheel adjustment
The stalk for steering wheel adjustment is
located on the steering column (lower left).
1Adjusting steering column, in or out
2Adjusting steering column, up or down
Adjusting steering column in or out
Move stalk in direction of arrows1
until a comfortable steering wheel posi-
tion is reached with your arms slightly
bent at the elbow.Adjusting steering column up or down
Move stalk in direction of arrows2.
Make sure your legs can move freely
and that all the displays (incl. malfunc-
tion and indicator lamps) on the instru-
ment cluster are clearly visible.
Easy-entry/exit feature
This feature allows for easier entry into and
exit from the vehicle. When entering and
exiting the vehicle, the steering wheel is in
its uppermost position.
The easy-entry/exit feature can be activat-
ed or deactivated in the
Convenience sub-
menu of the control system (
page 163).
iThe memory function (page 123) lets you
store the setting for the seat position together
with the setting for the steering wheel and the
exterior rear view mirrors.
Warning!G
You must make sure no one can become
trapped or injured by the moving steering
wheel when the easy-entry/exit feature is
activated.
To stop steering wheel movement, do one of
the following:

Move steering wheel adjustment stalk
(
page 45).

Press one of the memory position but-
tons or the memory buttonM
(
page 124).
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Children could open the driver’s door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.

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.

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.

56 Getting started
Driving
Windshield wipers
The combination switch is located on the
left of the steering column.
Combination switch
1Single wipe
Wiping with washer fluid
2Switching on windshield wipers
Switch on the ignition (page 38).Switching on windshield wipers
Turn the combination switch to the de-
sired position depending on the inten-
sity of the rain.
MWindshield wipers off
USlow intermittent wiping
Rain sensor operation with low
sensitivity.
VFast intermittent wiping
Rain sensor operation with high
sensitivity.
uSlow continuous wiping
tFast continuous wiping
iTo signal minor directional changes such as
changing lanes, press combination switch only
to point of resistance and release. The corre-
sponding turn signals will flash three times.!Do not operate the wipers when the wind-
shield is dry. Dust that accumulates on a wind-
shield might scratch the glass and/or damage
the wiper blades when wiping occurs on a dry
windshield. If it is necessary to operate the wip-
ers in dry weather conditions, always operate
the wipers with washer fluid (
page 57).
!If anything blocks the windshield wipers
(leaves, snow, etc.), switch them off immediate-
ly.

For safety reasons, stop the vehicle in a safe
location

turn off the engine by turning the
SmartKey to position0 and withdraw
SmartKey from starter switch
or

turn off the engine by pressing the
KEYLESS-GO* start/stop button and
open the driver’s door (with the driver’s
door open, starter switch is in
position0, same as with SmartKey re-
moved from starter switch)
before attempting to remove any blockage.

Remove blockage.

Turn the windshield wipers on again.
!If windshield wipers fail to function at all in
combination switch positionU or V,

set the combination switch to the next high-
est wiper speed

have the windshield wipers checked at the
nearest authorized Mercedes-Benz Center


58 Getting started
Driving
Problems while driving
The engine runs erratically and misfires

An ignition cable may be damaged.

The engine electronics may not be
operating properly.

Unburned gasoline may have entered
the catalytic converter and damaged it.
Give very little gas.
Have the problem repaired by an
authorized Mercedes-Benz Center as
soon as possible.
The coolant temperature is above
248°F (120°C)
The coolant is too hot and is no longer
cooling the engine.
Stop the vehicle in a safe location as
soon as possible and turn off the en-
gine. Allow engine and coolant to cool
off.
Check the coolant level and add cool-
ant if necessary (
page 290).
In case of accident
If the vehicle is leaking fuel:
Do not start the engine under any
circumstances.
Notify local fire and/or police authori-
ties.
If the extent of the damage cannot be
determined:
Contact an authorized Mercedes-Benz
Center or call Roadside Assistance.
If no damage can be determined on the

major assemblies

fuel system

engine mount:
Start the engine in the usual manner.