Page 49 of 394

49 Getting started
Driving
Problems while driving
The engine runs erratically and misfires
An ignition cable may be damaged.
The engine electronics may not be op-
erating properly.
Unburned gasoline may have entered
the catalytic converter and damaged it.
Give very little gas.
Have the problem repaired by an au-
thorized Mercedes-Benz Center as
soon as possible.The coolant temperature is over 248°F
(120°C)
The coolant is too hot and is no longer
cooling the engine.
Stop the vehicle as soon as possible
and turn off the engine. Allow engine
and coolant to cool.
Check the coolant level and add cool-
ant if necessary (
page 256).In case of accident
If the vehicle is leaking gasoline:
Do not start the engine under any cir-
cumstances.
Notify local fire and/or police authori-
ties.
If the extent of the damage cannot be de-
termined:
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.
Page 50 of 394

50 Getting startedParking and locking
Parking and lockingYou have now completed your first drive.
You have properly stopped and parked
your vehicle. End your drive as follows:
Parking brake
1Parking brake
2Release handle
Step firmly on parking brake1.
When the engine is running, the indica-
tor lamp
;
(USA only)
or
3
(Canada only) in the instru-
ment cluster will be illuminated.
Warning!
G
Wait until the vehicle is stationary before re-
moving the key from the starter switch. The
vehicle cannot be steered when the key is
removed.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 stop or steer the vehi-
cle.
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 inadvertent vehicle movement, be-
fore turning off the engine and leaving the
vehicle always:
Keep right foot on brake pedal.
Firmly depress parking brake pedal.
Move the selector lever to positionP.
Slowly release brake pedal.
When parked on an incline, turn front
wheel towards the road curb.
Turn the key to starter switch position0
and remove, or press start / stop button
(vehicles with KEYLESS-GO*).
Take the key or the SmartKey with
KEYLESS-GO* (if so equipped) and lock
vehicle when leaving.
Page 51 of 394

51 Getting started
Parking and locking
Switching off headlamps
Turn the exterior lamp switch to
M
(
page 46).
More information can be found in the
“Controls in detail” section (
page 105).
Turning off engine
Place the gear selector lever in
positionP.Turning off engine with the SmartKey
Turn the key in the starter switch
(page 31) to position0 and remove
it.
The immobilizer is activated.
Press the seat belt release button
(page 42).
Warning!
G
When leaving the vehicle always remove the
key from the starter switch, take the Smart-
Key with KEYLESS-GO* (if so equipped) with
you and lock the vehicle. Do not leave chil-
dren unattended in the vehicle, or with ac-
cess to an unlocked vehicle. Children could
release the parking brake and/or move the
gear selector lever from positionP, either of
which could result in an accident and/or se-
rious personal injury.Warning!
G
Getting out of your vehicle with the selector
lever not fully engaged in positionP is dan-
gerous. Also, when parked on an incline,
positionP alone may not prevent your vehi-
cle from moving, possibly hitting people or
objects.
Always set the parking brake in addition to
shifting to positionP (
page 143).
When parked on an incline, turn front wheels
towards the road curb.
iAlways set the parking brake in addi-
tion to shifting to position P.
On steep slopes, turn the front wheels
towards the curb.
iThe SmartKey or the SmartKey with
KEYLESS-GO* (if so equipped) can only
be removed from the starter switch
with the gear selector lever in
positionP.
Page 52 of 394

52 Getting startedParking and locking
After exiting the vehicle press the lock
button
‹
on the remote control
(
page 30).
The locking knobs on the doors move
down. The turn signal indicators light
up briefly.
More information can be found in the
“Controls in detail” section (
page 84).Turning off engine with KEYLESS-GO*
Place the gear selector lever in P.
Press the KEYLESS-GO start/stop but-
ton until the engine shuts off.
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 key re-
moved from starter switch
(page 31).
Press the seat belt release button
(page 42).
!With the SmartKey removed and the
driver’s door open, a warning sounds if
the vehicle’s exterior lamps are not
switched off.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
key from the starter switch and lock your ve-
hicle. Do not leave children unattended in
the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle may
cause an accident and/or serious personal
injury.
!If you hear a warning signal you have ei-
ther
forgotten to turn off the lights, or
not put the gear selector lever inP
before opening the driver’s door.
Turn off the lights or place the gear se-
lector lever inP.
Page 53 of 394

53 Getting started
Parking and locking
1Lock button on the door handle
After exiting the vehicle, press lock
button1 on the door handle or on the
trunk lid.
The locking knobs on the doors move
down. The turn signal indicators light
up briefly.More information can be found in the
“Controls in detail” section (
page 84).
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.iOpening a door causes the windows on
that side of the car to open slightly.
They will return to the up position when
the door is closed.
Warning!
G
When leaving the vehicle, always remove the
key from the starter switch, take the
SmartKey with KEYLESS-GO* (if so
equipped) with you, and lock your vehicle.
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Unsupervised use of vehicle equipment may
cause an accident and/or serious personal
injury.
Page 54 of 394
Page 55 of 394
55 Safety and Security
Occupant safety
Panic alarm
Driving safety systems
Anti-theft systems
Page 56 of 394

56 Safety and SecurityOccupant safety
Occupant 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
Airbags
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
1
warning lamp in the instrument
cluster lights up:
for about 4 seconds when you turn the
key 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 key or pressing
the KEYLESS-GO* start/stop button.The warning lamp goes out shortly after
you start the engine. This shows that the
restraint systems are operational.
A malfunction in the system has been de-
tected, if the
1
warning lamp:
fails to extinguish after approximately
4seconds.
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 278).
iFor information on infants and children
traveling with you in the vehicle and re-
straint systems for infants and chil-
dren, see “Children in the vehicle”
(page 66).
iThe warning lamp remains lit if the key
is turned to position2 and left there or
if the KEYLESS-GO* start/stop button
is pressed twice. The warning lamp will
go out when you start the engine.