Page 26 of 416
26 At a glanceCenter consoleLower part
Item
Page
1
KEYLESS-GO* start / stop 
button
33
2
Selector lever for 
automatic transmission
43
3
PASSENGER AIRBAG OFF 
indicator lamp
69
4
Thumbwheel for setting 
distance in Distronic*
206
Item
Page
5
Distance warning func-
tion* on / off switch
206
6
Lower storage space
225
7
Program mode selector for 
automatic transmission
164 
         
        
        
     
        
        Page 33 of 416

33 Getting started
Unlocking
1KEYLESS-GO start/stop button
Before you press the KEYLESS-GO 
start/stop button, the vehicle’s on-board 
electronics have status 0 (as with 
SmartKey removed).
Make sure the gear selector lever is set 
toP.
Do not depress the brake pedal.Position 1
Press the KEYLESS-GO start/stop but-
ton once.
This supplies power to some electrical 
consumers, such as seat adjustment.
Ignition (or position 2)
Press the KEYLESS-GO start/stop but-
ton twice in immediate succession.
This supplies power to all electrical 
consumers. All the lights in the instru-
ment cluster light up.More information can be found in the 
“Controls in detail” section (
page 85). 
For information on starting the engine us-
ing the KEYLESS-GO start/stop button, 
see “Starting with KEYLESS-GO*” 
(
page 43).
iIf you now press the KEYLESS-GO 
start/stop button twice, the power 
supply is again switched off.iIf you now press the KEYLESS-GO 
start/stop button once, the power sup-
ply is again switched off. 
         
        
        
     
        
        Page 36 of 416

36 Getting startedAdjusting
Turn the SmartKey in the starter switch 
to position1or2.
or
Press the KEYLESS GO* start/stop 
button once or twice.
or
Open the respective driver’s or passen-
ger door.
Seat height
Press the switch up or down in the di-
rection of arrow2.
Seat cushion tilt
Press the switch up or down in the di-
rection of arrow3 until your upper legs 
are lightly supported.Seat cushion depth
Press the switch forward or backward 
in the direction of arrow4 until your 
legs are supported comfortably.
Seat fore and aft adjustment
Press the switch forward or backward 
in the direction of arrow5.
Adjust to a comfortable seating posi-
tion that still allows you to reach the 
accelerator / brake pedal safely. The 
position should be as far to the rear as 
possible, consistent with ability to 
properly operate controls.Seat backrest tilt
Press the switch forward or backward 
in the direction of arrow6 until your 
arms are slightly angled when holding 
the steering wheel.
iWhen moving the seat, be sure that 
there are no items in the footwell or be-
hind the seats. Otherwise you could 
damage the seats. 
         
        
        
     
        
        Page 38 of 416

38 Getting startedAdjustingSteering wheel adjustment
The stalk is located on the steering column 
(lower left).
1Steering column, lengthen or shorten
2Steering column, height
Turn the SmartKey in the starter switch 
to position1or2.
or
Press the KEYLESS GO* start/stop 
button once or twice.
or
Open the driver’s or passenger door.Steering column, lengthen or shorten
Move stalk forward or backward in the 
direction of arrows1 until a comfort-
able steering wheel position is reached 
with your arms slightly bent at the el-
bow.
Steering column, height
Move the stalk up or down in the direc-
tion of arrows2. Make sure that your 
legs can move freely and that all of the 
displays (including malfunction and in-
dicator lamps) on the instrument clus-
ter are clearly visible.
Mirrors
Adjust the inside and exterior rear view 
mirrors before driving so that you have a 
good view of the road and traffic condi-
tions.
Inside rear view mirror
Manually adjust the inside rear view 
mirror.Warning!
G
In the case of an accident liquid electrolyte 
may escape the mirror housing if the mirror 
glass breaks.
Electrolyte has an irritating effect. Do not al-
low the liquid to come into contact with 
eyes, skin, clothing, or respiratory system. 
In case it does, immediately flush affected 
area with water, and seek medical help if 
necessary. 
         
        
        
     
        
        Page 43 of 416

43 Getting started
Driving
Automatic transmissionGearshift pattern for automatic 
transmissionPPark position with selector lever lock
RReverse gear
NNeutral
DDrive position
Make sure that the gear selector lever 
is set toP.Starting with the SmartKey
Turn the SmartKey in the starter switch 
to position3 and hold until the engine 
starts (
page 31).
Firmly depress the brake pedal.
The selector lever lock is released.
For information on turning off the engine 
with the SmartKey, see “Turning off engine 
with the SmartKey” (
page 52).
Starting with KEYLESS-GO*
You can start your vehicle without a 
SmartKey using the KEYLESS-GO 
start/stop button on the gear selector le-
ver.1KEYLESS-GO start/stop button
Firmly 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 automatically.
For information on turning off the engine 
with KEYLESS-GO, see “Turning off engine 
with KEYLESS-GO*” (
page 53).
iYou can also use the “touch-start” 
function. Turn the SmartKey to 
position3 and release it again immedi-
ately. The engine then starts automati-
cally. 
         
        
        
     
        
        Page 50 of 416

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 
indicator lamp 
;
 (USA only) or 
3 
(Canada only) in the instrument 
cluster illuminates.
Warning!
G
Wait until the vehicle is stationary before re-
moving the SmartKey from the starter 
switch. The vehicle cannot be steered when 
the SmartKey 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 brake or steer the ve-
hicle.
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 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 KEY-
LESS-GO*).
Take the SmartKey or the KEYLESS-GO* 
card (if so equipped) and lock vehicle 
when leaving. 
         
        
        
     
        
        Page 53 of 416

53 Getting started
Parking and locking
Turning off engine with KEYLESS-GO* 
Place the gear selector lever in P.
Press and hold the KEYLESS-GO 
start/stop button 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 SmartKey 
removed from starter switch 
(page 31).
Press the seat belt release button 
(page 41).
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.
For more information, see “Controls in de-
tail” (page 85).
!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.
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 from the starter switch, take the 
KEYLESS-GO* card (if so equipped) with 
you, and lock your vehicle. Do not leave chil-
dren unattended in the vehicle, or with ac-
cess to an unlocked vehicle. Unsupervised 
use of vehicle equipment may cause an ac-
cident and/or serious personal injury. 
         
        
        
     
        
        Page 56 of 416

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
 indicator lamp in the instrument 
cluster lights up
for about four seconds when you turn 
the key in the starter switch to 
position1 or press the KEYLESS-GO* 
start/stop button once. It then goes 
out briefly, lights up again and remains 
lit until you start the engine.
for about four seconds when you start 
the engine by turning the key or press-
ing the KEYLESS-GO* start/stop but-
ton.The restraint systems are fully operational 
if the 1 indicator lamp is not lit when the 
engine is running.
A malfunction in the system has been de-
tected, if the 1 indicator lamp:
fails to go out after approximately four 
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 289).
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 67).
iThe 
1
 indicator lamp lights up and 
remains lit if the key is turned to posi-
tion 2 and left there or the 
KEYLESS-GO* start/stop button is 
pressed twice. The indicator lamp will 
go out when you start the engine.