
Remote fault diagnosis .................. 293
Remote vehicle locking .................. 292
Roadside Assistance button .......... 289
Search & Send ............................... 292
Self-test ......................................... 288
Speed alert .................................... 294
System .......................................... 288
Triggering the vehicle alarm ........... 295
Vehicle remote unlocking .............. 292
Mechanical key
Function/notes ................................ 80
Locking vehicle ................................ 86
Unlocking the driver's door .............. 86
Media Interface
see Separate operating instructions
Memory card (audio) ......................... 226
Memory function ............................... 112
Message memory (on-board com-
puter) .................................................. 2 35
Messages
see Display messages
Mirrors
see Exterior mirrors
see Rear-view mirror
see Vanity mirror (in the sun visor)
Mobile phone
Menu (on-board computer) ............ 227
Modifying the programming
(SmartKey) ........................................... 80
MOExtended tires .............................. 315
Mounting wheels
Lowering the vehicle ...................... 359
Mounting a new wheel ................... 358
Preparing the vehicle ..................... 356
Raising the vehicle ......................... 357
Removing a wheel .......................... 358
Securing the vehicle against roll-
ing away ........................................ 356
MP3
Operation ....................................... 226
see separate operating instructions
Multifunction display
Function/notes ............................. 222
Permanent display ......................... 231
Multifunction steering wheel
Operating the on-board computer .. 221
Overview .......................................... 35N
Navigation
Menu (on-board computer) ............ 225
see separate operating instructions
NECK-PRO head restraints
Operation ......................................... 54
Resetting triggered .......................... 55
NECK-PRO luxury head restraints
Operation ......................................... 54
Resetting when triggered ................. 55
Notes on breaking-in a new vehi-
cle ................................................... .... 148
O
Occupant Classification System
(OCS)
Faults .............................................. . 53
Operation ......................................... 49
System self-test ............................... 52
Occupant safety
Air bags ........................................... 44
Children in the vehicle ..................... 61
Occupant Classification System
(OCS) ............................................... 49
Pets in the vehicle ........................... 67
PRE-SAFE ®
(anticipatory occu-
pant protection) ............................... 54
SRS (Supplemental Restraint Sys- tem) ............................................... .. 43
System overview .............................. 42
OCS
Faults ............................................. .. 53
Operation ......................................... 49
System self-test ............................... 52
Odometer ........................................... 223
Off-road system
4MATIC .......................................... 185
Oil
see Engine oil
On-board computer
Assistance menu ........................... 228
Audio menu ................................... 226
Convenience submenu .................. 233
Display messages .......................... 235
Displaying a service message ........ 305
Factory settings submenu ............. 234
Index13

Safety systemsee Driving safety systems
Seat belts
Adjusting the driver's and front-
passenger seat belt ......................... 59
Adjusting the height ......................... 59
Belt force limiters ............................ 60
center rear-compartment seat ......... 59
Cleaning ......................................... 31 2
Correct usage .................................. 57
Emergency Tensioning Devices ........ 60
Fastening ......................................... 58
Important safety guidelines ............. 56
Releasing ......................................... 59
Safety guidelines ............................. 43
Switching belt adjustment on/off
(on-board computer) ...................... 233
Warning lamp ................................. 260
Warning lamp (function) ................... 60
Seats
Adjusting (electrically) ................... 101
Adjusting lumbar support .............. 104
Adjusting the 4-way lumbar sup-
port ............................................... . 104
Adjusting the head restraint .......... 102
Cleaning the cover ......................... 311
Correct driver's seat position ........ 100
Folding the backrest (rear com-
partment) forwards/back .............. 276
Folding the rear bench seat for-
wards/back ................................... 276
Important safety notes .................. 101
Seat heating problem .................... 106
Storing settings (memory func-
tion) .............................................. . 112
Switching seat heating on/off ....... 105
Sensors (cleaning instructions) ....... 309
Service menu (on-board com-
puter) .................................................. 2 30
Service products
Brake fluid ..................................... 377
Coolant (engine) ............................ 378
DEF special additives ..................... 376
Engine oil ....................................... 377
Fuel ............................................... . 373
Important safety notes .................. 373
Refrigerant (air-conditioning sys-
tem) ............................................... 379Washer fluid ................................... 379
Setting the air distribution ............... 140
Setting the airflow ............................ 141
Settings
Factory (on-board computer) ......... 234
On-board computer ....................... 230
Side impact air bag ............................. 47
Side marker lamp (display mes-
sage) ................................................... 245
Side windows
Cleaning ......................................... 30 8
Convenience closing feature ............ 93
Convenience opening feature .......... 93
Important safety information ........... 91
Opening/closing .............................. 92
Problem (malfunction) ..................... 94
Resetting ......................................... 94
Sliding sunroof
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery ....................... 81
Changing the programming ............. 80
Checking the battery ....................... 81
Convenience closing feature ............ 93
Convenience opening feature .......... 93
Display message ............................ 258
Door central locking/unlocking ....... 78
Important safety notes .................... 78
Loss ................................................. 83
Mechanical key ................................ 80
Positions (ignition lock) ................. 149
Problem (malfunction) ..................... 83
Starting the engine ........................ 151
Snow chains ...................................... 335
Sockets
Center console .............................. 285
General notes ................................ 284
Rear compartment ......................... 285
Special seat belt retractor .................. 64
Specialist workshop ............................ 27
Speed, controlling
see Cruise control
Speedometer
Digital ............................................ 224
In the Instrument cluster ................. 33
Segments ...................................... 221
16Index

Displaying service messages
XSwitch on the ignition.
X Press the = or ; button on the steer-
ing wheel to select the
Serv. menu.
X Press the 9 or : button to select the
ASSYST PLUS submenu and confirm by
pressing the a button.
The service due date appears in the multi-
function display.
Information about Service
Resetting the ASSYST PLUS service
interval display
! If the ASSYST PLUS service interval dis-
play has been inadvertently reset, this set-
ting can be corrected at a qualified special-
ist workshop.
Have service work carried out as described in the Maintenance Booklet. This may oth-
erwise lead to increased wear and damage
to the major assemblies or the vehicle.
A qualified specialist workshop, e.g. an
authorized Mercedes-Benz Center, will reset
the ASSYST PLUS service interval display
after the service work has been carried out.
You can also obtain further information on
maintenance work, for example.
Special service requirements
The specified maintenance interval takes only the normal operation of the vehicle into
account. Under arduous operating conditions
or increased load on the vehicle, mainte-
nance work must be carried out more fre-
quently, for example:
R regular city driving with frequent intermedi-
ate stops
R if the vehicle is primarily used to travel
short distances R
use in mountainous terrain or on poor road
surfaces
R if the engine is often left idling for long peri-
ods
Under these or similar conditions, have, for
example, the air filter, engine oil and oil filter
replaced or changed more frequently. Under
arduous operating conditions, the tires must
be checked more often. Further information
can be obtained at a qualified specialist work- shop, e.g. an authorized Mercedes-Benz Cen-
ter.
Driving abroad
An extensive Mercedes-Benz Service network
is also available in other countries. You can
obtain further information from any author-
ized Mercedes-Benz Center.
Care
General notes
!
For cleaning your vehicle, do not use any
of the following:
R dry, rough or hard cloths
R abrasive cleaning agents
R solvents
R cleaning agents containing solvents
Do not scrub.
Do not touch the surfaces or protective
films with hard objects, e.g. a ring or ice
scraper. You could otherwise scratch or
damage the surfaces and protective film.
HEnvironmental note
Dispose of empty packaging and cleaning
cloths in an environmentally responsible man-
ner.
! Do not park the vehicle for an extended
period straight after cleaning it, particularly
after having cleaned the wheels with wheel
cleaner. Wheel cleaners could cause
increased corrosion of the brake discs and
brake pads/linings. For this reason, you
Care305
Maintenance and care
Z