
Head restraints
Adjusting ....................................... 104
Adjusting (electrically). ..................105
Adjusting (manually). .....................105
Adjusting (rear) .............................. 106
Installing/removing (rear) ..............106
Luxury ............................................ 105
Heating
see Climate control
High-beam headlamps
Changing bulbs .............................. 130
Display message ............................ 296
Switching Adaptive Highbeam
Assist on/off ................................. 126
Switching on/off ........................... 124
Hill start assist .................................. 161
HOLD function Deactivating ................................... 208
Display message ............................ 305
Function/notes ............................. 207
Hood
Closing .......................................... .365
Display message ............................ 313
Important safety notes ..................364
Opening ......................................... 364
Hydroplaning ..................................... 185I
Ignition lock see Key positions
Immobilizer .......................................... 75
Indicator lamps see Warning and indicator lamps
Insectp rotection on the radiator ....365
Instrument cluster Overview .................................. 33, 263
Warning and indicator
lamps ...................................... .34, 316
Instrument cluster lighting ..............263
Interior lighting ................................. 127
Automatic control ..........................127
Delayed switch-off (on-board
computer) ...................................... 276
Emergency lighting ........................128
Manual control ............................... 128
Overview ........................................ 127
Reading lamp ................................. 127Setting the brightness of the
ambient lighting (on-board
computer)
...................................... 275
Setting the color of the ambient
lighting (on-board computer) .........275 J
Jack Storage location ............................ 380
Using ............................................. 423
Jump-start (engine)
see Jump starting (engine)
Jump starting (engine) ......................389 K
KEYLESS-GO Convenience closing feature ............94
Display message ............................ 315
Locking ............................................ 79
Start/Stop button .......................... 158
Starting the engine ........................160
Unlocking ......................................... 79
Keyp ositions
KEYLESS-GO .................................. 158
SmartKey ....................................... 157
Kickdown
Driving tips .................................... 168
Manual drive program ....................172
Knee bag .............................................. 47 L
Lamps see Warning and indicator lamps
Lane detection (automatic)
see Lane Keeping Assist
Lane Keeping Assist
Activating/deactivating .................273
Display message ............................ 306
Function/informatio n.................... 235
see Active Lane Keeping Assist
Lap time (RACETIMER) ......................279
LATCH-type (ISOFIX) child seat
anchors ................................................ 63
Level control (display message) ......303 12
Index

deactivated (Y
page 207). On vehicles with
Active Parking Assist, the 0003symbol is
displayed when Pis engaged or you are
driving faster than 22 mph (35 km/h).
Following damage to the fron tend of the
vehicle, have the configuratio nand operation
of the rada rsensors checked at a qualified
specialist workshop. This also applies to
collisions at low speeds where there is no
visible damage to the fron tofthe vehicle. STEER CONTROL
i Observe the "Important safety notes"
section (Y page 66).
STEER CONTROL helps you by transmitting a
noticeable steering force to the steering
wheel in the direction required for vehicle
stabilization.
This steering assistance is provided in
particular if:
R both right wheels or both left wheels are on
a wet or slippery road surface when you
brake
R the vehicle starts to skid
If ESP ®
is malfunctioning, you will not receive
steering support from STEER CONTROL.
Power steering will, however, continue to
function. Theft deterrent locking system
Immobilizer
X To activate with the SmartKey: remove
the SmartKey from the ignition lock.
X To activate with KEYLESS-GO: switch the
ignition off and open the driver's door.
X To deactivate: switch on the ignition.
The immobilizer prevents your vehicle from
being started without the correct SmartKey.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Anyone can start the engine if a valid
SmartKey has been left inside the vehicle.
i
The immobilizer is always deactivated
when you start the engine.
In the event that the engine cannot be
started when the starter battery is fully
charged, the immobilizer may be faulty.
Contact an authorized Mercedes-Benz
Center or call 1-800-FOR-MERCedes (in the
USA) or 1-800-387-0100 (in Canada). ATA (anti-theft alarm system)
X
To arm: lock the vehicle with the SmartKey
or KEYLESS-GO.
Indicator lamp 0002flashes. The alarm
system is armed after approximately
15 seconds.
X To switch off using the SmartKey:
unlock the vehicle with the SmartKey.
or
X Insert the SmartKey into the ignition lock.
X To switch off using KEYLESS-GO: unlock
the vehicle with KEYLESS-GO.
or
X Press the Start/Stop button on the
dashboard. The SmartKey must be inside
the vehicle.
Av isual and audible alarm is triggered if the
alarm system is armed and you open:
R a door
R the vehicle with the mechanical key Theft deterrent locking system
75Safety Z

Switching off the engine
Important safety notes G
WARNING
The automatic transmission switches to
neutral position Nwhen you switch off the
engine. The vehicle may roll away.T here is a
risk of an accident.
After switching off the engine, always switch
to parking position P. Prevent the parked
vehicle from rolling away by applying the
parking brake.
Using the SmartKey X
Apply the electric parking brake.
X Shift the transmission to position P.
X Turn the SmartKey to position 0in the
ignition lock and remove it.
The immobilizer is activated.
i If you turn off the engine with the
SmartKey and then remove it from the
ignition lock or open a front door, the
automatic transmission shifts to P
automatically.
Using KEYLESS-GO X
Apply the electric parking brake.
X Shift the transmission to position P.
X Press the Start/Stop button (Y page 158).
The engine stops and all the indicator
lamps in the instrumentc luster go out.
i If you use the Start/Stop button to switch
off the engine, the automatic transmission
shifts to Nautomatically. If you the nopen
one of the fron tdoors, the automatic
transmission shifts to P.
i In the event of an emergency, the engine
can be turned off while the vehicle is in
motion by pressing and holding the Start/
Stop button for three seconds. Electric parking brake
General notes G
WARNING
If you leave children unsupervised in the
vehicle, they could set it in motion by, for
example:
R releasing the parking brake
R shifting the automatic transmission out of
the parking position P
R starting the engine.
They could also operate the vehicle's
equipment. There is a risk of an accident and
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
i The electric parking brake performs a
function test at regular intervals while the
engine is switched off. The sounds that can
be heard while this is occurring are normal.
Applying/releasing manually X
To engage: push handle 0002.
When the electric parking brake is
engaged, the 0008(USA only) or 000D
(Canada only) red indicator lamp lights up
in the instrument cluster.
i The electric parking brake can also be
applied when the SmartKey is removed. 180
ParkingDriving and parking