Contents
Controls in detail............................. 321
Locking and unlocking ....................... 322
SmartKey ..................................... 322
SmartKey with KEYLESS-GO*....... 326
Checking batteries
in the SmartKey or
SmartKey with KEYLESS-GO*....... 332
Loss of the SmartKey
or SmartKey with KEYLESS-GO* .. 332
Opening doors from the inside ..... 333
Power closing assist for doors and
trunk lid ........................................ 334
Automatic central locking ............ 334
Locking and unlocking
from the inside ............................. 335
Starter switch positions ..................... 336
SmartKey ..................................... 336
SmartKey with KEYLESS-GO*....... 337Seats ................................................. 339
Seat adjustment........................... 339
Folding front
seat backrest forward .................. 342
Easy-entry/exit feature ................ 344
Seat heating ................................. 346
Seat ventilation* .......................... 347
Head restraints ............................ 348
Steering wheel ................................... 351
Steering wheel adjustment .......... 351
Heated steering wheel* ............... 352
Mirrors ............................................... 353
Interior rear view mirror ............... 353
Exterior rear view mirrors............. 353
Power folding
exterior rear view mirrors ............. 354
Auto-dimming rear view mirrors ... 355
Activating exterior rear
view mirror parking position......... 356
Memory function ............................... 357
Storing positions into memory ..... 358
Recalling positions from memory . 358
Storing exterior rear view mirror
parking position ........................... 359Fastening the seat belts .................... 360
Proper use of seat belts ............... 362
Seat belt height adjustment ......... 362
Lighting ............................................. 363
Exterior lamp switch .................... 363
Switching on high beams ............. 367
Headlamp cleaning system .......... 367
Corner-illuminating lamps ............ 368
Hazard warning flasher ................ 369
Interior lighting ............................ 369
Courtesy lighting .......................... 371
Door entry lamps ......................... 371
Trunk lamp ................................... 371
Windshield wipers ............................. 372
Switching on/off
windshield wipers ........................ 372
Intermittent wiping ...................... 373
Single wipe .................................. 373
Wiping with
windshield washer fluid................ 373
Power windows ................................. 374
Opening and closing
power windows ............................ 374
Summer opening feature ............. 376
Convenience closing feature ........ 376
ProCarManuals.com
29 At a glance
Cockpit
ItemPage
1Combination switch
High beam
Corner-illuminating lamps
Windshield wipers
Turn signals
367
368
372
382
2Lever for
Cruise control
DISTRONIC Plus*
406
411
3Horn
4Multifunction steering wheel257
5Instrument cluster30
6Steering wheel gearshift
control400
7Gear selector lever for
automatic transmission389
ItemPage
8Control panel with
Front passenger front
air bag off indicator lamp
Vehicle level control
switch
Electronic Stability Pro-
gram (ESP®) switch
Parktronic*/Park Assist*
deactivation switch
Swivel COMAND display
COMAND/instrument
cluster display
illumination
50
429
71
434,
438
83
83,
402
9COMAND display81
aOverhead control panel37
bAutomatic climate control
Center console 244,
453
36
ItemPage
cGlove box lock470
dCover of compartment with
CD/DVD changer
PCMCIA card slot
111
112
eControl system34
fStarter switch
KEYLESS-GO* start/stop
button336
337
gSteering wheel adjustment
Heated steering wheel* 351
352
hHeadlamp cleaning button367
jElectronic parking brake384
kHood lock release512
lDriver’s door control panel38
mNight View Assist*446
nExterior lamp switch363
ProCarManuals.com
31 At a glance
Instrument cluster
ItemPage
1Coolant temperature gauge403
2Fuel gauge with:
Fuel tank reserve warning
lamp
AHigh beam headlamp
indicator lamp
-ABS indicator lamp
=SRS indicator lamp
573
367
566
575
3Parktronic*/Park Assist*
warning indicator for left
front area 433,
437
4Multifunction display with:
Speedometer
0
USA only
!
Canada onlyElectronic
parking brake
warning or indi-
cator lamps568
ItemPage
;
USA only
3
Canada onlyBrake warning
lamp567
pressure*/TPMS mal-
function telltale*576
LLeft turn signal
indicator lamp382
KRight turn signal
indicator lamp382
vESP® warning lamp572
lDistance warning
lamp*174,
414,
572
1Vehicles without DISTRONIC Plus*: Warning lamp
without function. It illuminates when the ignition is
on. It should go out when the engine is running.
ItemPage
5Parktronic*/Park Assist*
warning indicator for right
front area 433,
437
6Gear position/range indica-
tor 398
7Tachometer with:
±Engine malfunction
indicator lamp570
8Selected program mode indi-
cator 399
9Main menu for control sys-
tem, multifunction display256
aOutside temperature 404
bDisplay with:
Additional speedometer271
:PRE-SAFE® Brake*
indicator268
ProCarManuals.com
336 Controls in detail
Starter switch positions
SmartKey
Starter switch
0For removing SmartKey
1Power supply for some electrical con-
sumers, such as seat adjustment
2Ignition (power supply for all electrical
consumers) and driving position.
All lamps (except high beam headlamp
indicator lamp and turn signal indicator
lamps unless activated) in the instru-
ment cluster come on. If a lamp in the
instrument cluster fails to come on
when the ignition is switched on, have
it checked and replaced if necessary.
If a lamp in the instrument cluster re-
mains on after starting the engine or
comes on while driving, refer to “Lamps
in instrument cluster” (
page 566).
3Starting position
For information on starting the engine us-
ing the SmartKey, see “Starting with the
SmartKey” (
page 379).
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. A child’s unsupervised ac-
cess to a vehicle could result in an accident
and/or serious personal injury.
iWhen you switch on the ignition, the indica-
tor and warning lamps (except high beam head-
lamp indicator lamp and turn signal indicator
lamps unless activated) in the instrument cluster
come on. The indicator and warning lamps (ex-
cept high beam headlamp indicator lamp and
turn signal indicator lamps if activated) should go
out when the engine is running. This indicates
that the respective systems are operational.
!If you turn off the engine using the
SmartKey and
remove the SmartKey from the starter
switch
or
open a door
the transmission will shift to park positionP
automatically.
Keep in mind that turning off the engine with the
SmartKey alone only will automatically shift the
transmission to neutral positionN.
!If the SmartKey cannot be turned in the
starter switch, the battery may not be sufficient-
ly charged.
Check the battery and charge it if necessary
(
page 655).
Get a jump start (page 660).
To prevent accelerated battery discharge or a
completely discharged battery, always remove
the SmartKey from the starter switch when the
engine is not in operation.
ProCarManuals.com
338 Controls in detail
Starter switch positions
Position 0
Before you press the KEYLESS-GO
start/stop button, the vehicle’s on-board
electronics have status 0 (as with
SmartKey removed).
Position 1
Press the KEYLESS-GO start/stop but-
ton once.
This supplies power for some electrical
consumers, such as seat adjustment.
Ignition (or position 2)
Press the KEYLESS-GO start/stop but-
ton twice.
This supplies power for all electrical
consumers.All lamps (except high beam headlamp
indicator lamp and turn signal indicator
lamps unless activated) in the instru-
ment cluster come on. If a lamp in the
instrument cluster fails to come on
when the ignition is switched on, have
it checked and replaced if necessary.
If a lamp in the instrument cluster re-
mains on after starting the engine or
comes on while driving, refer to “Lamps
in instrument cluster” (
page 566).For information on starting the engine us-
ing the KEYLESS-GO start/stop button,
see “Starting with KEYLESS-GO*”
(
page 379).
iIf you now press the KEYLESS-GO
start/stop button
once again, the ignition (position2) is
switched on
twice, the power supply is again switched off
iIf you now press the KEYLESS-GO
start/stop button once, the power supply is
again switched off.
iWhen you switch on the ignition, the indica-
tor and warning lamps (except high beam head-
lamp indicator lamp and turn signal indicator
lamps unless activated) in the instrument cluster
come on. The indicator and warning lamps (ex-
cept high beam headlamp indicator lamp and
turn signal indicator lamps if activated) should go
out when the engine is running. This indicates
that the respective systems are operational.
!If you turn off the engine using the
KEYLESS-GO start/stop button and open the
driver’s or passenger door, the transmission will
shift to park positionP automatically.
Keep in mind that turning off the engine using
the KEYLESS-GO start/stop button alone only
will automatically shift the transmission to
neutral positionN.
ProCarManuals.com
363 Controls in detail
Lighting
Lighting
Exterior lamp switch
The exterior lamp switch is located on the
dashboard to the left of the steering wheel.
iIf you drive in countries where vehicles drive
on the other side of the road than the country in
which the vehicle is registered, you must have
the headlamps modified for symmetrical low
beams. Relevant information can be obtained at
your authorized Mercedes-Benz Center.
iThe active Bi-Xenon headlamps monitor
your steering angle and driving speed, then auto-
matically shift their beams to either side to bet-
ter follow the curvature of the road ahead,
increasing usable illumination over conventional
headlamps.
1‚Standing lamps, left (turn left two
stops)
2ˆStanding lamps, right (turn left
one stop)
3MOff
Daytime running lamp mode
(
page 365)
4*Automatic headlamp mode
Daytime running lamp mode
(
page 365)
5CParking lamps (also side marker
lamps, tail lamps, license plate
lamps, instrument panel lamps)
6BLow beam headlamps or high
beam headlamps when the com-
bination switch is pushed for-
ward. The tail lamps, license
plate lamps, side marker lamps,
parking lamps and instrument
panel lamps also come on.
7‡Front fog lamps
8†Rear fog lamp
iIf you hear a warning signal you have forgot-
ten to switch off the headlamps before opening
the driver’s door.
In addition the message “Please switch off
lights” appears in the multifunction display.
Switch off the headlamps.
!Failure to switch off the headlamps when
leaving the vehicle may result in a discharged
battery.
ProCarManuals.com
364 Controls in detail
Lighting
Manual headlamp mode
The low beam headlamps and parking
lamps can be switched on and off with the
exterior lamp switch.
Switching on low beam headlamps
Turn the exterior lamp switch toB.
The green indicator lampC in the
exterior lamp switch comes on.
Automatic headlamp mode
The following lamps switch on and off au-
tomatically depending on the brightness of
the ambient light:
Low beam headlamps
Tail and parking lamps
License plate lamps
Side marker lamps
Turn the exterior lamp switch to *.
With the SmartKey in starter switch po-
sition 1 or the KEYLESS-GO*
start/stop button pressed once, only
the parking lamps and the side marker
lamps will switch on and off automati-
cally.
When the engine is running, the low
beam headlamps, the tail and parking
lamps, the license plate lamps, and the
side marker lamps will switch on and
off automatically.
Warning!G
If the exterior lamp switch is set to*,
the headlamps may switch off unexpect-
edly when the system senses bright am-
bient light, for example light from
oncoming traffic.
the headlamps will not be automatically
switched on under foggy conditions.
To minimize risk to you and to others, acti-
vate headlamps by turning exterior lamp
switch to B when driving or when traffic
and/or ambient lighting conditions require
you to do so.
In low ambient lighting conditions, only
switch from position * to B with the
vehicle at a standstill in a safe location.
Switching from * to B will briefly
switch off the headlamps. Doing so while
driving in low ambient lighting conditions
may result in an accident.
The automatic headlamp feature is only an
aid to the driver. The driver is responsible for
the operation of the vehicle’s lights at all
times.
iUSA only:
With the automatic headlamp mode activated
you can switch on the high beam headlamps in
low ambient lighting conditions.
ProCarManuals.com
365 Controls in detail
Lighting
Daytime running lamp mode
Turn exterior lamp switch to
positionM or*.
When the engine is running, the low
beam headlamps are switched on.
In low ambient light conditions, the fol-
lowing lamps will switch on additional-
ly:
Tail and parking lamps
License plate lamps
Side marker lamps
Canada only
The daytime running lamp mode is manda-
tory and therefore in a constant mode.When the engine is running, and you shift
from a driving position to positionN orP,
the low beam headlamps will switch off
with a 3-minute delay.
When the engine is running, and youturn the exterior lamp switch to
positionC, the parking lamps and
the side marker lamps switch on addi-
tionally.
turn the exterior lamp switch to
positionB, the manual headlamp
mode has priority over the daytime run-
ning lamp mode.
The corresponding exterior lamps
switch on (
page 363).USA only
By default, the daytime running lamp mode
is deactivated. Activate the daytime run-
ning lamp mode using the control system,
see “Setting daytime running lamp mode
(USA only)” (
page 271).
When the engine is running, and you turn
the exterior lamp switch to position C
orB, the manual headlamp mode has
priority over the daytime running lamp
mode.
The corresponding exterior lamps switch
on (
page 363).
iWith the daytime running lamp mode activat-
ed and the engine running, the low beam head-
lamps cannot be switched off manually.
iWith the exterior lamp switch in position
M or *, you cannot switch on the high
beam headlamps.
The high beam flasher is available at all times.
For nighttime driving you should turn the exterior
lamp switch to positionB to permit activa-
tion of the high beam headlamps.
iWith the daytime running lamp mode
activated and the exterior lamp switch in
position M, you cannot switch on the high
beam headlamps.
The high beam flasher is available at all times.
For nighttime driving you should turn the exterior
lamp switch to positionB or * to permit
activation of the high beam headlamps.
ProCarManuals.com