
Interio
rmotion sensor ..................... 62
To w-awa yprotectio n........................ 61
Aquaplaning ....................................... 156
Ashtray ............................................... 252
Assistanc emenu (on-board com-
puter) ................................................. .202
AS SYST PLUS
see ASSYS TPLUS service interval
di sp lay
ASSYST PLU Sservice interval dis-
play ..................................................... 262
Displaying aservice message (on-
board computer) ............................ 263
ATA (Anti-Theft Alarm system)
Activating/deactivating ...................61
Functio n.......................................... .61
Switchin goff th ealarm .................... 61
ATTENTIO NASSIST ........................... 181
Activating/deactivating (on-
bo ardc omputer )............................ 203
Display message ............................ 224
Audio men u(on-boa rd computer) ....199
AUT Olights
see Light sensor
Automatic car wash ..........................263
Automatic en gine start
With ECO start/stop function ........139
Automatic en gine switch-off
With ECO start/stop function ........138
Automatic transmission
Display message ............................ 230
Driving tip s.................................... 143
Emergency running mod e.............. 148
Kickdow n....................................... 144
Ma lfunction ...... ............................. .148
Progra mselecto rbutton ................ 144
Pullin gaway................................... 137
Releasing the parking lock man-
ually ............................................... 148
Sel ector leve r................................ 142
Starting .......................................... 136
Traile rtowing ................................. 144
Ax leload, permissible
Rea r(trai lert owing) ....................... 324 B
Backre st(display message) .............232
Bag hook ............................................ 248
Ball coupli ng
Folding in ....................................... 189
Fol ding out ..................................... 186
BAS (Brake Assist System) .................56
BAS PL US(Brak eAssist System
Plus) ...................................................... 56
Battery Changing (key )................................. 68
Ch arging ........................................ 287
Ch ecking (key )................................. 68
Disconnecting ................................ 286
Display message ............................ 223
Important safety gu idelines (key) .....68
Installati on location....................... 286
Jump-starting ................................. 289
Rec onnecting ................................. 288
Removing/fittin g........................... 287
Safety notes .................................. 285
Belt
seeS eat belt
Belt tensioner
Activation ...... ................................... 33
Functio n.......................................... .43
Blind Spo tAssist ............................... 184
Activating/deactivating (on-
bo ardc omputer )............................ 203
Display message ............................ 226
Traile rtowing ................................. 185
Bon net
Active bonne t(pedestrian protec-
tion) ............................................... 258
Closing ........................................... 260
Display message ............................ 231
Opening ......................................... 259
Boot
Automatic op ening ........................... 73
Emergency releas e.......................... 73
Boo tlid
Display message ............................ 231
Opening/closing .............................. 72
Opening dimensions ......................322
Boo tload (maximum) ........................ 317 Index
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H
Headbag ............................................... 37
Headlamp clean ings yst em .............. 110
Headlamp flasher .............................. 110
Headlamps Clean ing. ........................................ 267
Head level heating
AIRSCAR F........................................ 98
Head restraint
Lowering manually (re ar)................. 95
Head restraints
Adjusting (e lectrically )..................... 94
Adjusting (manually )........................ 94
Adjusting (re ar)................................ 95
se eN ECK-PR Ohead restraints
Hea ting
see Air conditioning
High-pressu recleaners .................... 264
Hill star tassist .................................. 137
HOLD function ................................... 172
HOLD functio n(display message) ...225 I
Immobili ser.......................................... 60
Ind icator and warn ingl amps
ABS ................................................ 238
Brake s........................................... 236
Co olan t.......................................... 241
DISTRONI CPLUS ........................... 242
Engine di agnostics ......................... 240
ESP ®
.............................................. 238
ESP ®
OFF ....................................... 239
Fue ltank ........................................ 241
Overview .......................................... 25
PASSENGER AIRBAG OFF ................46
Reserve fuel ................................... 241
Sea tbelt. ....................................... 236
SRS ................................................ 240
Instrument cluster
Overview .......................................... 24
Submenu (on-bo ardc omputer )...... 204
Warn inga nd indicator lamps ...........25
Instrument li ghting ............................. 24
se eI nstrument cluster lighting Intelligen
tLight System
Display message ............................ 221
Setting di pped-beam headlamps
for driving on the right/left (on-
board computer) ............................ 206
Switch ingo n/off (on-board com-
puter) ............................................. 206
Int erior lighting
Automatic control system ..............112
Del ayed swit ch-off (on-bo ard
computer) ...................................... 207
Emergency lighting ........................112
Manual control ............................... 112
Reading lamp ................................. 112
Int erior motion sensor ........................62
IS OFIX child seat securing system ....47 J
Jack Storage locatio n............................ 274
Using ............................................. 281
Jump-starting ..................................... 289
se eJ ump-st arting K
Key Changing the battery .......................68
Ch ecking the battery .................66, 68
Convenience closing feat ure. ........... 75
Convenience op ening feature ..........75
Display message ............................ 234
Ma lfunction ...... ................................ 69
Modifying the programming .............67
Opening/closing soft top .................78
Starting the engine ........................136
KEYLES S-GO
Button ............................................ 135
Convenience closing ........................76
Display message ............................ 234
Locking ............................................ 66
Starting the engine ........................136
Unlockin g......................................... 66
Ke yp ositions
Key ................................................ 135
KEYLESS GO .................................. 135
Kickdown ................................... 144, 14710
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Vehicl
eequipment
i Thismanua ldesc ribe sallthe standard
and optional equipment of your vehicle
which wa savailable at th etime of pur-
chase. Countr y-specif ic differences are
possible. Bear in mind tha tyour vehicle
ma ynot featur eall function sdescribed
here. Key
Key functions
Locking and unlocking centr ally The key centrally locks/unlocks:
R
the doors
R the boot lid
R the fuel filler flap G
Risk of accident
If children are left unsupervised in the vehicle,
they could:
R open adoor from inside the vehicle at any
time, even if it has been locked
R star tthe vehicle usin gakey which has been
left in the vehicle
R release the parking brake
They could thereby endanger themselves and
others. Never leave children unsupervised in
the vehicle. Alway stake the key with you
when leaving the vehicle, even if you are only
leaving it for ashort time. :
& To lock the vehicle
; F To unloc kthe boot lid
= % To unlock the vehicle
? Battery charge indicator lamp
When unlocking ,the tur nsignals flash once.
When locking, they flash three times.
You can also set an audible signal to confirm
that the vehicle has been locked or unlocked.
The audible signal can be activated and deac-
tivated using the on-board computer
(Y page 208).
X To unlock centrally: press the%but-
ton.
If you do not open adoor or the boot lid within
approximately 40 second sofunlocking the
vehicle,
R the vehicl eislocke dagain
R the anti-thef tsystem is activated again.
X To lock centrally: press the&button. KEYLESS-GO
You can start, lock or unlock the vehicle using
the KEYLESS-GO key. To do this ,you only
need carry the key with you. When you touch
the surface of the sensor sonthe vehicle's
door handles, KEYL ESS-GO establishes a
radio connection between the vehicle and the
key.
Th ed istance to the door handle from which
you wish to lock or unlock the vehicle must
not be greater than 1m.66
KeyOpening and closing
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When star
ting the engine and whilst driving,
KEYLESS-GO also checks whether avalid key
is in the vehicle by periodicall yestablishing
radio con tact. X
To unlock the vehicle: touch the inner
surface of the door handle.
X To lock the vehicle: touch sensorsur-
face :.
If you pull on the handle of the boot lid, only
the boot of the vehicle is unlocked.
i If the vehicle has been parked for along
time, you must pull the door handl etoacti-
vate the KEYLESS-GO functions. Changing the setting
softhe locking
system
Yo uc an change the setting of the locking
system in such away that only the driver's
door and the fuel filler flap are unlocked. This
is useful if you frequently travel on your own.
X To change the setting: Press the%
and & buttons simultaneously for
approximately six seconds until the battery
check lamp flashes twice.
The key now functions as follows:
X To unlock the driver's door: press the
% button once.
X To unlock centrally: press the%but-
ton twice.
X To lock centrally: press the&button. The KEYLESS-GO function is changed as fol-
lows:
X
To unlock the driver's door: touch the
inner surface of the door handle on the
driver' sdoor.
X To unlock centrally: touchthe inner sur-
face of the front-passenger door handle.
X To lock centrally: touchsensor sur-
face :on one of the door handles. Restoring the factor
ysettings
X Press the %and& buttons simulta-
neously for approximately six seconds until
the battery check lamp flashes twice. Emergency key element
General notes If the vehicle can no longer be locked or
unlocked with the key, use the emergency
key element.
If you use the emergency key element to
unlock and open the driver's door or the boot
lid, the anti-theft alarm system will be trig-
gered (Y
page 61).
There are several ways to turn off the alarm:
X Press the %or& button on the key.
or
X Insert the key into the ignition lock.
or
X Press the Star t/Stop butto ninthe ignition
lock .The key must be in the vehicle.
or
X Loc koru nlock the vehicl eusing KEYL ESS-
GO. The key must be outside the vehicle. Key
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Removi
ngthe emergenc ykey element X
Push releas ecatch :in the direction of
the arro wand at the same tim eremove
emergency key element ;from th ekey. Battery of th
ekey
Important safety notes It is advisable to have batteries replaced at a
qualified specialist workshop, e.g
.ata
Mercedes-Ben zService Centre. G
Risk of poisoning
Batteries are toxic and contain caustic sub-
stances. For this reason ,keep batteries out of
the reac hofchildren.
If ab attery has been swallowed, visit adoctor
immediately. H
Environmental note
Do not dispose of batteries with the house-
hold rubbish. They contain highly toxi csub-
stances.
Take discharge dbatteries to aqualified spe-
cialist workshop, e.g. aMercedes-Benz
Servic eCentre, or to aspecial collection point
for old batteries.
Checking the battery X
Press the &or% button.
The batter yisworking properly if the bat-
ter yc heck lam plights up briefly. Changing the battery You require
aCR20253Vc ell battery.
X Take the emergency key elemen tout of the
key (Y page 67). X
Press the emergency key element into the
opening in the key in the direction of
arrow ;until cover :of the battery tray
opens .Donot hold the cover closed while
doing so. X
Remove the cover of the battery tray.
X Repeatedly tap the key against your palm
until battery =falls out.
X Insert the new battery with the positive
pole facing upwards. Use alint-free clot hto
do so.
X Insert the fron ttabs of the battery tray's
cover firs tand then pres stoclose it.
X Check the function of all key buttons on the
vehicle. 68
KeyOpening and closing
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Problems wit
hthe key Problem Possible causes/consequences and
M Solutions
Yo
uc annot lock/
unlock the vehicle
using the key. The key battery is discharged or nearly discharged.
X
Point the tip of the key at the driver' sdoor handl efrom adis-
tanc eofa pproximately 50 cm and try to unloc korlock the
vehicle again.
If this does not work:
X Loc koru nlock the vehicl eusing the emergenc ykey element
(Y page 67).
X Check the key batter yand replace it if necessary (Y page68). Th
ek ey is faulty.
X Loc kthe vehicle as described in the "Locking the vehicle (emer-
genc ykey element)" section (Y page 71)orunlock it using the
emergency key element (Y page67).
X Have the key checked at aqualified specialist workshop. You can no longer
lock/unlock the vehi-
cle using KEYLESS-GO. KEYLESS-GO is in standby mode because the vehicle has not been
unlocked for an extended period.
X
Pull the door handle and then turn the key to position 2in the
ignition lock. There is
afault with KEYLESS-GO.
X Lock/unlock the vehicle using the remote control function of
the key. Point the tip of the key at the driver' sdoor handl efrom
close rang eand pres sthe %/ &button.
X Hav ethe key chec kedataq ualified specialist workshop. There is interference from
apowerfu lsource of radio waves.
X Lock/unloc kthe vehicle usin gthe remote con trolfunction of
the key. Point the tip of the key at the driver' sdoor handl efrom
close rang eand pres sthe %/ &button. You hav
elost akey. X
Hav ethe key cancelled at aMercedes-Benz Servic eCentre.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. You have lost the emer-
gency key element.
X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. Key
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Problem Possible causes/consequences and
M Solutions
The key cannot be
turned in the ignition
lock. The key has been in position
0for aconsiderable time.
X Remove the key and reinsert it int othe ignition lock.
X Chec kthe starter battery and charge it if necessary
(Y page 285).
X Star tthe engine. The on-boar
dvoltage is too low.
X Switch off non-essential consumers, e.g. seat heatin gorinterior
lighting ,and try to turn the key again.
If this doe snot work:
X Check the starter battery and charge it if necessary
(Y page 285).
or
X Jump-start the vehicle (Y page 289).
or
X Consult aqualified specialist workshop. Doors
Unlocking and opening doors from
the inside
You can open adoor from inside the vehicle
even if it has been locked. X
Pull door handle ;.
If the door is locked, locking knob :pops
up. The door is unlocked and can be
opened.
i When adoor is opened, the side window
on that side opens slightly .When the door
is closed ,the side window closes again. !
The side windows will not open/close if
the battery is discharged or if the side win-
dows hav eiced up. It wil lthen not be pos-
sible to close the door. Do not attemp tto
force th edoor to close. You coul dother-
wise damage the doo rorthe side window. Centrally locking and unlocking the
vehicle from th einside G
Risk of accident
Do not leav echildren unsupervised in the
vehicle. They coul dopen adoor from the
inside –even if it is locke d–and thereby
endanger themselves and others. 70
DoorsOpening and closing
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The system automatically switches off
approximately 20 minutes after it is set to
level 1.
X Make sure that the key is in position 1or
2 in the ignition lock.
X To switc hon:press button :repeatedly
until the desired heatin glevel is set.
X To switc hoff:press button :repeatedly
until all th eindicato rlamps go out.
Problems with the seat heating The seat heating has switched itself off pre-
maturely or cannot be switched on. The vehi-
cle's electrical system voltage is too low
because too many electrical consumers are
switched on.
X Switc hoff electrical consumers which you
do not need, such as th erear window heat-
ing or interior lighting. Switching the seat ventilation on/off
Switching on/off The three blue indicator lamps in the buttons
indicate the ven tilation level you have selec-
ted.
i If the battery voltage is too low, the seat
ventilation may switch off. X
Make sure that the key is in position 1or
2 in the ignition lock.
X To switch on: press button:repeatedly
until the desired ventilation level is set. i
Coupé: you can open the side windows
and the panoram asliding sunroof with the
key (Y page 75). The seat ventilation of the
driver's seat automatically switches to the
highes tlevel.
Cabriolet: you can open the soft top and the
rear side windows with the key
(Y page 78). The seat ven tilation of the
driver's seat automatically switches to the
highes tlevel.
X To switc hoff:press button :repeatedly
until all th eindicato rlamps go out.
Problems with the seat ventilation The seat ventilation has switched itself off
prematurely or cannot be switched on. The
vehicle's electrical system voltage is too low
because too many electrical consumers are
switched on.
X Switc hoff electrical consumers which you
do not need, such as th erear window heat-
ing or interior lighting. AIRSCARF (Cabriolet)
Switching on/off G
Risk of inju
ry
Very hot air can flow out of the AIRSCARF
ven tsin the head restraints when AIRSCARF
is in operation. This can cause burns on unpro-
tected skin near the AIRSCARF vents. Lower
the heating output in good time, when neces-
sary.
The AIRSCARF func tion warms the head and
nec karea of vehicl eoccupants with warm air.
Th ew arm air flows out of the hole sinthe head
rest raints.
The three red indicator lamps in the button
indicate the heating level you have selected. 98
SeatsSeats, steerin
gwhee land mirrors
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