2006 MERCEDES-BENZ CLS55AMG engine

56 Getting startedDriving
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.
!If anything blocks the windshield wip-
ers (leaves, snow, etc.), switch them off
immediately.

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 removed 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 positionI,


set the combination switch to the
next highest wiper speed


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

57 Getting started
Driving
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.

Check the coolant level and add cool-
ant if necessary (
page 297).
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:

Notify an authorized Mercedes-Benz
Center.
If no damage can be determined on the


major assemblies


fuel system


engine mount:

Start the engine in the usual manner.

58 Getting startedParking and lockingYou have now completed your first drive.
You have properly stopped and parked
your vehicle. End your drive as follows.Warning!
G
With the engine not running, there is no
power assistance for the brake and steering
systems. In this case, it is important to keep
in mind that a considerably higher degree of
effort is necessary to brake and steer the ve-
hicle.Warning!
G
If you have selected the Comfort suspension
tuning (
page 238), the vehicle lowers
slightly when it is locked. You should there-
fore make sure that no one is standing near
the wheel arches or lying underneath the ve-
hicle when it is being locked. Otherwise,
personal injury could result.
Warning!
G
Do not park this vehicle in areas where com-
bustible materials such as grass, hay or
leaves can come into contact with the hot
exhaust system, as these materials could be
ignited and cause a vehicle fire.
To reduce the risk of personal injury as a re-
sult of vehicle movement, before turning off
the engine and leaving the vehicle always:

Keep right foot on brake pedal.


Firmly depress parking brake pedal.


Move the gear selector lever to
positionP.


Slowly release brake pedal.


When parked on an incline, turn front
wheel towards the road curb.


Turn the SmartKey to starter switch
position0 and remove, or press
start/stop button (vehicles with
KEYLESS-GO*).


Take the SmartKey or the SmartKey with
KEYLESS-GO* and lock vehicle when
leaving.!If you have selected the Comfort sus-
pension tuning Comfort suspension
tuning (
page 238), the vehicle lowers
slightly when you lock it within approx-
imately 60 seconds after switching off
the engine. When parking, make sure
that your vehicle cannot come into con-
tact with other objects, such as a curb,
while lowering. Your vehicle could
otherwise be damaged.

59 Getting started
Parking and locking
Parking brake
1Release handle
2Parking brake pedal
Step firmly on parking brake pedal2.
When the engine is running, the warn-
ing lamp; (USA only) or 3
(Canada only) in the instrument cluster
will be illuminated.
Switching off headlamps
Turn the exterior lamp switch toM
(page 53).
For more information, see “Lighting”
(
page 134).
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. Children could release the
parking brake and/or move the gear selec-
tor lever from positionP, either of which
could result in an accident and/or serious
injury.
Warning!
G
Getting out of your vehicle with the gear
selector lever not fully engaged in positionP
is dangerous. Also, when parked on an in-
cline, positionP alone may not prevent your
vehicle from moving, possibly hitting people
or objects.
Always set the parking brake in addition to
shifting to positionP.
When parked on an incline, turn front wheels
towards the road curb.

60 Getting startedParking and lockingTurning off engine 
Shift the automatic transmission to
positionP (
page 178).

Apply the parking brake (
page 59).
Turning off with the SmartKey

Turn the SmartKey in the starter switch
(page 36) to position0.

Remove the SmartKey from the starter
switch.
The immobilizer is activated.Turning off with KEYLESS-GO*

Press the KEYLESS-GO start/stop
button (
page 37) to turn off the en-
gine.
With the driver's door closed, the start-
er switch is now in position1. With the
driver’s door opened, the starter switch
is set to position0, same as SmartKey
removed from starter switch
(
page 36).
Releasing seat belts 
Press the seat belt release button
(page 47).
Allow the retractor to completely
rewind the seat belt by guiding the
latch plate.
iAlways set the parking brake in addi-
tion to shifting to positionP
(page 178).
On slopes, turn the front wheels to-
wards the road curb.
!Make sure the seat belt retracts fully so
that the seat belt and/or latch plate
cannot get caught or pinched in the
door or in the seat mechanism. This
can damage the seat belt and impair
the effectiveness of the seat belt,
and/or cause damage to the door
and/or door trim panel. Such damage
is not covered by the Mercedes-Benz
Limited Warranty.
Damaged seat belts must be replaced.
Contact an authorized Mercedes-Benz
Center.

61 Getting started
Parking and locking
Locking

Exit the vehicle and close all doors and
the trunk.
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the door
openings when closing the doors. Be espe-
cially careful when small children are
around.
Before closing doors, make sure that there
is no possibility of someone getting caught
in a door during closing.
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. Unsupervised use of vehi-
cle may cause an accident and/or serious
personal injury.
iA warning sounds and the message Switch off lamps
appears in the
multifunction display if the vehicle’s
exterior lamps are not switched off


with the SmartKey removed from
the starter switch and the driver’s
door open


with the engine turned off using the
KEYLESS-GO start/stop button and
the driver’s door open (same as
SmartKey removed from the starter
switch.
Switch off the exterior lamps.

64 Safety and SecurityOccupant safetyIn this section you will learn the most im-
portant facts about the restraint systems
of the vehicle.
The restraint systems are

Seat belts


Emergency tensioning device


Air bags


Child seats


Child seat recognition


Lower anchors and tethers for children
(LATCH)
As independent systems, their protective
effects work in conjunction with each oth-
er.The 1indicator lamp in the instrument
cluster comes on


for about 4 seconds when you turn the
SmartKey in the starter switch to
position1 or press the KEYLESS-GO*
start/stop button once.


for about 4 seconds when you start the
engine by turning the SmartKey or
pressing the KEYLESS-GO* start/stop
button.The restraint systems are fully operational
if the 1indicator lamp is not lit when
the engine is running.
A malfunction in the system has been
detected if the 1indicator lamp:


fails to go out after approximately
4 seconds


does not come on at all


comes on after the engine was started
or while driving
For safety reasons, we strongly recom-
mend that you visit an authorized
Mercedes-Benz Center immediately to
have the system checked.
More information can be found in the
“Practical hints” section (
page 359).
iFor information on infants and children
traveling with you in the vehicle and
restraint systems for infants and chil-
dren, see “Children in the vehicle”
(page 75).
iThe 1indicator lamp comes on and
remains lit if the SmartKey is turned to
position2 and left there or the
KEYLESS-GO* start/stop button is
pressed twice. The indicator lamp will
go out when you start the engine.

70 Safety and SecurityOccupant safetySide impact air bags, window curtain
air bags
1Front side impact air bags
2Window curtain air bag
3Rear side impact air bagsThe side impact air bags and window cur-
tain air bags are deployed:


on the impacted side of the vehicle


in impacts exceeding a preset deploy-
ment threshold


independently of the front air bags
In addition, the window curtain air bags2
are deployed:


in certain vehicle rollovers
The front passenger side air bag will only
deploy if the system senses that the front
passenger seat is occupied.
The side impact air bags and window cur-
tain air bags are not deployed in impacts
which do not exceed the system’s deploy-
ment threshold.
Seat belts
When the engine is started the seat belt
telltale< illuminates for a maximum of
6 seconds and a warning chime sounds to
remind you and your passengers to fasten
your seat belts.
For more information, see “Practical hints”
(page 358)
Always wear your seat belt. All vehicle
occupants always need to have their seat
belts fastened and wear them properly.
In addition, applicable motor vehicle safety
laws require you to wear seat belts. Even
where this is not the case, we strongly
recommend that all vehicle occupants
have their seat belts fastened and wear
them properly.
For more information, see “Fastening the
seat belts” (
page 46).