Page 83 of 442

81 Safety and Security
Driving safety systems
When you switch off the ESP
the ESP does not stabilize the vehicle
the engine output is not limited, which 
allows the drive wheels to spin and 
thus cut into surfaces for better grip
the traction control will still brake a 
spinning wheel
the ESP continues to operate when you 
are brakingThe switch is located on the center 
console.
1ESP switch (off/on)
Press switch1.
The ESP warning lampv in the 
speedometer comes on.
The ESP is deactivated.
Switching on the ESP
Press switch1 again.
The ESP warning lampv in the 
speedometer goes out.
You are now again in normal driving 
mode with the ESP switched on.
iWhen the ESP is switched off and one 
or more drive wheels are spinning, the 
ESP warning lampv in the speed-
ometer flashes. However, the ESP will 
then not stabilize the vehicle.
Warning!
G
When the ESP warning lampv is 
illuminated continuously, the ESP is 
switched off.
Adapt your speed and driving to the prevail-
ing road conditions and to the non-operating 
status of the ESP.!Avoid spinning of a drive wheel for an 
extended period with the ESP switched 
off. This may cause serious damage to 
the drivetrain which is not covered by 
the Mercedes-Benz Limited Warranty. 
     
        
        Page 86 of 442
84 Safety and SecurityAnti-theft systemsArming the alarm system
The indicator lamp is in the switch for the 
tow-away alarm* in the center console.
1Indicator lamp
Lock the vehicle with the SmartKey.
The turn signal lamps flash three times 
to indicate that the alarm system is 
activated. Indicator lamp1 begins to 
flash after approximately 30 seconds 
after arming the alarm system.Disarming the alarm system
Unlock your vehicle with the SmartKey. 
The turn signal lamps flash once to 
indicate that the alarm system is 
deactivated.
Canceling the alarm
To cancel the alarm:
Press theŒ or‹ button on the 
SmartKey.
or
Insert the SmartKey in the starter 
switch.
iIf the turn signal lamps do not flash 
three times, one of the following 
elements may not be properly closed:
a door
the trunk lid
the hood
Close the respective element and lock 
the vehicle again.
iThe alarm system will rearm automati-
cally after approximately 40 seconds if 
no door or the trunk lid was opened. 
     
        
        Page 87 of 442

85 Safety and Security
Anti-theft systems
Tow-away alarm*
Once the tow-away alarm is armed, a visual 
and audible alarm will be triggered when 
someone attempts to raise the vehicle.Arming tow-away alarm
Lock your vehicle with the SmartKey.
The tow-away alarm is automatically 
armed after about 30 seconds.
Disarming tow-away alarm
To prevent triggering the tow-away alarm, 
switch off the tow-away alarm feature 
before towing the vehicle, or when parking 
on a surface subject to movement, such as 
a ferry or auto train.The switch is located on the center 
console.
1Tow-away alarm off switch
2Indicator lamp
Switch off ignition.
iThe tow-away protection alarm is 
triggered, for example, if the vehicle is 
lifted on one side.
If the alarm stays on for more than 
30 seconds, a call to the Response 
Center is initiated automatically by the 
Tele Aid system* (
page 248) provid-
ed Tele Aid service was subscribed to 
and properly activated, and that neces-
sary cellular service and GPS coverage 
are available.
iWhen you unlock your vehicle, the 
tow-away protection disarms 
automatically. The tow-away alarm 
remains disarmed until you lock the 
vehicle again.
iYou cannot disarm the tow-away alarm 
while the ignition is switched on.
 
     
        
        Page 99 of 442
97 Controls in detail
Locking and unlocking
The switches are located in the center 
console.
1Central locking switch
2Central unlocking switchLocking
Press central locking switch1.
If all doors are closed, the vehicle 
locks.
Unlocking
Press central unlocking switch2.
The vehicle unlocks.
iYou can open a locked door from the 
inside. Open door only when conditions 
are safe to do so.
If the vehicle was previously centrally 
locked using the SmartKey, it will not 
unlock using the central unlocking 
switch2.
If the vehicle was previously locked 
with the central locking switch1
while in the selective remote con-
trol mode, only the door opened 
from the inside is unlocked.
while in the global remote control 
mode, the complete vehicle is 
unlocked when a door is opened 
from the inside. 
     
        
        Page 104 of 442
102 Controls in detailSeatsFolding head restraints back with 
release button
The rear seat head restraints can be folded 
backward for increased visibility.
1Release button
Push release button1.
The head restraint will fold backward.Folding head restraints back with 
switch in the center console (rear outer 
seats)
1Switch for rear seat head restraints
Start the engine (
page 46).
Press switch1.
The rear seat head restraints will fold 
backward.Placing head restraints upright
Pull the head restraint forward until it 
locks into position.
iYou can also fold the rear outer seat 
head restraints back using the switch 
in the center console (
page 102).
Warning!
G
Make sure the head restraints engage when 
placing them upright. Otherwise their 
protective function cannot be assured. 
     
        
        Page 107 of 442

105 Controls in detailSeats
Seat heating*
The switches for the front seats are 
located in the center console.
1Seat heating switch
2Indicator lampsThe red indicator lamps2 in the switch 
show the heating level selected.
Switch on ignition (
page 33).Switching on seat heating
Press switch1 twice.
Three red indicator lamps2 in the 
switch come on.
Continue pressing switch1 until 
desired seat heating level is reached.
Switching off seat heating
Press switch1 repeatedly until all 
indicator lamps2 go out.
Level3
Three indicator lamps on.
After approximately five minutes, 
seat heating is automatically 
switched to level 2.
2
Two indicator lamps on.
After approximately ten minutes, 
seat heating is automatically 
switched to level 1.
1
One indicator lamp on.
After approximately 20 minutes, 
seat heating is automatically 
switched off.
off
No indicator lamp on.
iIf one or all of the indicator lamps2 
on the seat heating switch are flashing, 
there is insufficient voltage due to too 
many electrical consumers are turned 
on. The seat heating switches off auto-
matically.
The seat heating will switch back on 
again automatically as soon as 
sufficient voltage is available. 
     
        
        Page 116 of 442
114 Controls in detailLightingHazard warning flasher
The hazard warning flasher can be 
switched on at all times, even with the 
SmartKey removed from the starter 
switch.
The hazard warning flasher switches on 
automatically when an air bag deploys.
The hazard warning flasher switch is 
located on the upper part of the center 
console.
1Hazard warning flasher switchSwitching on hazard warning flasher
Press hazard warning flasher 
switch1.
All turn signals are flashing.Switching off hazard warning flasher
Press hazard warning flasher switch1 
again.
iWith the hazard warning flasher 
activated and the combination switch 
set for either left or right turn, only the 
respective turn signals will operate 
when the ignition is switched on.
iIf the hazard warning flasher has been 
activated automatically, press hazard 
warning flasher switch1 once to 
switch it off. 
     
        
        Page 164 of 442

162 Controls in detailAutomatic transmission*Automatic shift program
The program mode selector switch is 
located on the lower part of the center 
console.
1Program mode selector switch
C Comfort For comfort driving
S Sport For standard driving
Press program mode selector 
switch1 repeatedly until the letter of 
the desired program mode appears in 
the multifunction display (
page 157).
SelectCfor comfort driving:
The vehicle starts out in second 
gear (both forward and reverse) for 
gentler starts. This does not apply if 
full throttle is applied or gear 
range1 is selected.
Traction and driving stability are 
improved on icy roads.
Upshifts occur earlier even when 
you give more gas. The engine then 
operates at lower rpms and the 
wheels are less likely to spin.
!Never change the program mode when 
the gear selector lever is out of 
positionP. This could result in a 
change of driving characteristics for 
which you may not be prepared.iThe last selected program 
mode (CorS) is switched on when the 
engine is restarted in the automatic 
program mode.