
Engine
Check Engine warning lamp ........... 282
Display message ............................ 258
ECO start/stop function ................ 157
Engine number ............................... 406
Irregular running ............................ 160
Jump-starting ................................. 352
Starting problems .......................... 160
Starting the engine with the
SmartKey ....................................... 155
Starting with KEYLESS-GO ............. 155
Switching off .................................. 176
Tow-starting (vehicle) ..................... 357
Engine electronics
Problem (malfunction) ...................160
Engine oil
Adding ........................................... 330
Additives ........................................ 411
Checking the oil level ..................... 329
Checking the oil level using the
dipstick .......................................... 330
Display message ............................ 259
Filling capacity ............................... 411
Notes about oil grades ................... 410
Notes on oil level/consumption .... 329
Temperature (on-board computer) . 242
Viscosity ........................................ 411
ESP ®
(Electronic Stability
Program) AMG menu (on-board computer) ... 243
Deactivating/activating (AMG
vehicles) .......................................... 70
Deactivating/activating (except
AMG vehicles) ................................ 236
Deactivating/activating (notes;
except AMG vehicles) ...................... 70
Display message ............................ 247
ETS/4ETS ........................................ 70
Function/notes ................................ 69
Important safety information ........... 69
Warning lamp ................................. 279
ETS/4ETS (Electronic Traction
System) ................................................ 70
Exhaust check ................................... 178
Exhaust tail pipe (cleaning
instructions) ...................................... 338Exterior lighting
Setting options .............................. 120
see Lights
Exterior mirrors
Adjusting ....................................... 114
Dipping (automatic) .......................115
Folding in/out (automatically) ....... 114
Folding in/out (electrically) ........... 114
Folding in when locking (on-board
computer) ...................................... 241
Out of position (troubleshooting) ...115
Setting ........................................... 114
Storing settings (memory
function) ........................................ 116
Storing the parking position .......... 115
Eyeglasses compartment ................. 289 F
Filler cap see Fuel filler flap
First-aid kit ......................................... 342
Flat tire MOExtended tires .......................... 344
Preparing the vehicle .....................344
TIREFIT kit ...................................... 345
Floormat ............................................. 324
Fog lamps Switching on/off ........................... 122
Folding bench seat (cargo
compartment) .................................... 108
Front fog lamps Display message ............................ 255
Switching on/off ........................... 122
Fuel
Additives ........................................ 408
Consumption statistics ..................231
Diesel ............................................ 408
Displaying the current
consumption .................................. 231
Displaying the range ...................... 231
Driving tips .................................... 177
Flexible fuel vehicles ......................409
Fuel gauge ............................... 31, 227
Grade (gasoline) ............................ 407
Important safety notes .................. 407
Premium-grade unleaded gasoline . 407
Problem (malfunction) ...................17210
Index

Quality (diesel)
............................... 408
Refueling ........................................ 169
Tank content/reserve fuel .............407
Fuel filler flap
Emergency release ........................ 171
Opening/closing ............................ 170
Fuel filter (display message) ............260
Fuel level Calling up the range (on-board
computer) ...................................... 231
Fuel tank
Capacity ........................................ 407
Problem (malfunction) ...................172
Fuse allocation chart (vehicle tool
kit) ...................................................... 342
Fuses Allocation chart ............................. 357
Before changing ............................. 357
Fuse box in the cargo
compartment ................................. 358
Fuse box in the engine
compartment ................................. 358
Fuse box in the trunk ..................... 358
Important safety notes .................. 357G
Garage door opener Clearing the memory
.....................323
Important safety notes .................. 320
Opening/closing the garage door ..323
Programming (button in the rear-
view mirror) ................................... 321
Gear indicator (on-board
computer) .......................................... 242
Genuine Mercedes-Benz parts ......... 404
Glove box ........................................... 289H
Handbrake see Parking brake
Hazard warning lamps ......................125
Head bags Display message ............................ 251
Headlamps
Adding fluid to cleaning system .....332
Cleaning system (capacity) ............ 413Cleaning system (function) ............
125
Cleaning system (notes) ................413
Fogging up ..................................... 128
see Automatic headlamp mode
Head restraints
Adjusting ....................................... 105
Adjusting (angle) ............................ 105
Adjusting (electrically) ...................105
Adjusting (rear) .............................. 105
Installing/removing (rear) .............. 106
Luxury ............................................ 105
Heating
see Climate control
High-beam headlamps
Changing bulbs .............................. 131
Display message ............................ 255
Switching Adaptive Highbeam
Assist on/off ................................. 127
Switching on/off ........................... 124
Hill start assist .................................. 156
HOLD function Display message ............................ 262
Function/notes ............................. 196
Hood
Closing ........................................... 329
Display message ............................ 272
Opening ......................................... 328
Hydroplaning ..................................... 182 I
Ignition lock see Key positions
Immobilizer .......................................... 74
Indicator lamps see Warning and indicator lamps
Infrared lamps (changing bulbs) ......132
Insect protection on the radiator .... 329
Instrument cluster Overview .................................. 31, 227
Settings ......................................... 238
Warning and indicator
lamps ....................................... 32, 275
Instrument cluster lighting .............. 227
Interior lighting ................................. 128
Automatic control .......................... 129
Delayed switch-off (on-board
computer) ...................................... 240 Index
11

Locking verification signal (on-
board computer)
............................... 240
Low-beam headlamps Changing bulbs
.............................. 131
Display message ............................ 254
Setting for driving abroad
(symmetrical) ................................. 120
Switching on/off ........................... 122
Luggage holder (EASY-PACK load-
securing kit) ....................................... 301
Lumbar support Adjusting the 4-way lumbar
support .......................................... 108
Luxury head restraints .....................105M
M+S tires ............................................ 364
Malfunction message see Display messages
Massage function (PULSE) ...............107
Matte finish (cleaning
instructions) ...................................... 336
mbrace Call priority .................................... 315
Display message ............................ 249
Downloading destinations
(COMAND) ..................................... 316
Downloading routes .......................319
Emergency call .............................. 312
Geo fencing ................................... 319
Important safety notes .................. 311
Locating a stolen vehicle ............... 318
MB info call button ........................ 315
Remote vehicle locking .................. 317
Roadside Assistance button .......... 314
Search & Send ............................... 316
Self-test ......................................... 312
Speed alert .................................... 319
System .......................................... 312
Triggering the vehicle alarm ........... 320
Vehicle remote malfunction
diagnosis ....................................... 318
Vehicle remote unlocking .............. 317
Mechanical key
Function/notes ................................ 80
Locking vehicle ................................ 86
Unlocking the driver's door ..............86Memory card (audio) .........................
234
Memory function ............................... 116
Message memory (on-board
computer) .......................................... 246
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) ............ 234
Modifying the programming
(SmartKey) ........................................... 80
MOExtended tires .............................. 344
Mounting wheels Lowering the vehicle ......................389
Mounting a new wheel ................... 388
Raising the vehicle ......................... 386
Removing a wheel ..........................388
Securing the vehicle against
rolling away ................................... 386
MP3
Operation ....................................... 234
see separate operating instructions
Multifunction display
Function/notes ............................. 230
Permanent display ......................... 238
Multifunction steering wheel
Operating the on-board computer . 228
Overview .......................................... 33 N
Navigation Menu (on-board computer) ............ 232
NECK-PRO head restraints
Operation ......................................... 53
Resetting after being triggered ........ 53
NECK-PRO luxury head restraints
Operation ......................................... 53
Resetting after being triggered ........ 54
Night View Assist Plus
Activating/deactivating
.................212
Cleaning ......................................... 338
Function/notes ............................. 211
Problem (malfunction) ...................214 Index
13

Reverse gear
Engaging (automatic
transmission) ................................. 161
Reversing lamps (display
message) ............................................ 256
Roadside Assistance (breakdown) ....23
Roller sunblind Panorama roof with power tilt/
sliding panel
..................................... 98
Rear side windows ......................... 307
Rear window .................................. 307
Roof carrier ........................................ 303
Roof lining and carpets (cleaning
guidelines) ......................................... 340
Roof load (maximum) ........................414S
Safety Children in the vehicle .....................60
Child restraint systems ....................60
Occupant Classification System
(OCS) ............................................... 48
Safety system
see Driving safety systems
Seat belts
Adjusting the driver's and front-
passenger seat belt .........................58
Adjusting the height ......................... 58
Belt force limiters ............................ 59
center rear-compartment seat ......... 58
Cleaning ......................................... 340
Correct usage .................................. 56
Emergency Tensioning Devices ........ 59
Fastening ......................................... 57
Important safety guidelines .............55
Releasing ......................................... 58
Safety guidelines ............................. 42
Switching belt adjustment on/off
(on-board computer) ...................... 241
Warning lamp ................................. 276
Warning lamp (function) ................... 59
Seats
Adjusting (electrically) ...................104
Adjusting the 4-way lumbar
support .......................................... 108
Adjusting the head restraint .......... 105
Cleaning the cover ......................... 339Correct driver's seat position ........
102
Folding the backrest (rear
compartment) forwards/back .......294
Important safety notes
..................103
Overview ........................................ 103
Seat heating problem .................... 111
Seat ventilation problem ................ 111
Storing settings (memory
function) ........................................ 116
Switching seat heating on/off ....... 110
Switching seat ventilation on/off ..111
Selector lever
Cleaning ......................................... 339
Sensors (cleaning instructions) .......337
Service see ASSYST PLUS
Service menu (on-board computer) . 238
Service products Brake fluid ..................................... 412
Coolant (engine) ............................ 412
DEF special additives .....................410
Engine oil ....................................... 410
Fuel ................................................ 407
Important safety notes .................. 406
Washer fluid ................................... 413
Service work
see ASSYST PLUS
Settings
Factory (on-board computer) ......... 242
On-board computer ....................... 238
Setting the air distribution ...............145
Setting the airflow ............................ 145
SETUP (on-board computer) ............. 243
Short journeys (diesel particle
filter) ................................................... 180
Side impact air bag ............................. 45
Side marker lamp (display
message) ............................................ 256
Side windows Cleaning ......................................... 336
Convenience closing feature ............ 94
Convenience opening feature .......... 94
Important safety information ........... 93
Opening/closing .............................. 93
Problem (malfunction) .....................96
Resetting ......................................... 95
Skibag ................................................ 29116
Index

Sliding sunroof
Important safety notes ....................96
Opening/closing .............................. 97
Problem (malfunction) ...................100
Resetting ......................................... 97
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery ....................... 81
Changing the programming ............. 80
Checking the battery ....................... 81
Convenience closing feature ............ 94
Convenience opening feature .......... 94
Display message ............................ 274
Door central locking/unlocking ....... 79
Important safety notes .................... 78
Loss ................................................. 83
Mechanical key ................................ 80
Positions (ignition lock) ................. 153
Problem (malfunction) .....................83
Starting the engine ........................ 155
Snow chains ...................................... 365
Sockets Center console .............................. 310
General notes ................................ 309
Luggage compartment ................... 310
Rear compartment ......................... 310
Spare wheel
Stowing .......................................... 400
Specialist workshop ............................ 25
Special seat belt retractor .................. 63
Speed, controlling see Cruise control
Speedometer
Digital ............................................ 231
In the Instrument cluster ......... 31, 227
Segments ...................................... 228
Selecting the unit of
measurement ................................ 238
see Instrument cluster
SPORT handling mode
Activating/deactivating (AMG
vehicles) .......................................... 70
Warning lamp ................................. 280
SRS (Supplemental Restraint
System)
Display message ............................ 250
Introduction ..................................... 41Warning lamp ................................. 281
Warning lamp (function) ...................
41
Standing lamps
Changing bulbs .............................. 132
Display message ............................ 256
Switching on/off ........................... 124
Starting (engine) ................................ 155
Steering (display message) ..............273
Steering wheel Adjusting (electrically) ...................112
Button overview ............................... 33
Buttons (on-board computer) ......... 228
Cleaning ......................................... 339
Important safety notes .................. 111
Paddle shifters ............................... 166
Steering wheel heating .................. 112
Storing settings (memory
function) ........................................ 116
Steering wheel heating
Problem (malfunction) ...................112
Switching on/off ........................... 112
Steering wheel paddle shifters ........166
Stopwatch (RACETIMER) ................... 243
Stowage areas ................................... 288
Stowage compartments Armrest (under) ............................. 290
Center console .............................. 289
Cup holders ................................... 305
Eyeglasses compartment ............... 289
Glove box ....................................... 289
Important safety information ......... 288
Rear ............................................... 290
Stowage net ................................... 291
Under driver's seat/front-
passenger seat .............................. 290
Stowage net ....................................... 291
Stowage well beneath the trunk
floor .................................................... 301
Summer tires ..................................... 364
Sun visor ............................................ 306
Supplement Restraint System see SRS (Supplemental Restraint
System)
Surround lighting (on-board
computer) .......................................... 239 Index
17

backrest of the front-passenger seat
backrest.
If necessary, adjust the tilt of the passenger
seat backrest.
An
incorrectly mounted child seat could cause
injuries to the child in case of an accident,
instead of increasing protection for the child.
Follow the manufacturer's instructions for
installation of child restraint systems.
The 45 indicator lamp lights up:
R if you turn the SmartKey in the ignition lock
to position 1 or 2
R if you press the KEYLESS-GO Start/Stop
button once or twice on vehicles with
KEYLESS-GO
R if an adult is seated properly on the front-
passenger seat and the OCS classifies the
occupant as an adult
The 45 indicator lamp goes out
after approximately six seconds.
If the seat is not occupied and the OCS
detects that the front-passenger seat is
empty, the 45 indicator lamp will
continue to light up. The 45 front-
passenger front air bag warning lamp then
stays lit continuously.
For more information about the OCS, see
"Problems with the Occupant Classification
System" ( Y page 52). Occupant safety
51
Safety Z

ignition lock or removed from the vehicle,
such as seat adjustment, steering wheel
adjustment, or the memory function
If
children open a door, they could injure other
persons or get out of the vehicle and injure
themselves or be injured by following traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and the child could be burned on these
parts.
Child-proof locks for the rear doors G
WARNING
Children could open a rear door from inside
the vehicle. This could result in serious
injuries or an accident. Therefore, when
children
ride in the rear always secure the rear
doors with the child-proof locks. Child-proof lock for the rear door (example: Sedan)
You secure each door individually with the
child-proof locks on the rear doors. A door
secured with a child-proof lock cannot be
opened from inside the vehicle. When the
vehicle is unlocked, the door can be opened
from the outside.
X
To activate: press the child-proof lock
lever up in the direction of arrow :.
X Make sure that the child-proof locks are
working properly.
X To deactivate: press the child-proof lock
lever down in the direction of arrow ;. Override feature for the rear side
windows G
WARNING
When children ride on the vehicle's rear seats,
activate the override switch. Otherwise, the
children could be injured, e.g. by trapping
themselves in the rear side window. X
To activate/deactivate: press
button ;.
If indicator lamp : is lit, operation of the
rear side windows is disabled. Operation is
only possible using the switches in the
driver's door. If indicator lamp : is off,
operation is possible using the switches in
the rear compartment. Driving safety systems
Driving safety systems overview
In
this section, you will find information about
the following driving safety systems:
R ABS ( Anti-lock Braking System)
(Y page 67)
R BAS ( Brake Assist System) ( Y page 67)
R BAS PLUS ( Brake Assist System PLUS)
(Y page 68)
R ESP ®
(Electronic Stability Program)
(Y page 69)
R EBD ( electronic brake force distribution)
(Y page 72)
R ADAPTIVE BRAKE(Y page 72)
R PRE-SAFE ®
Brake (Y page 72) 66
Driving safety systems
Safety

X
Release the rear seat backrest and fold it
slightly forwards
(Y page 293).
X To remove: pull the head restraint up to
the stop.
X Press release catch : and pull the head
restraint out of the guides.
X To re-install: insert the head restraint so
that the notches on the bar are on the left
when viewed in the direction of travel.
X Push the head restraint down until you hear
it engage in position.
X Fold back the rear seat backrest until it
engages. Adjusting the active multicontour
seat
Overview :
To adjust the seat cushion length
; To switch the dynamic function on or off
= To adjust the side bolsters of the seat
backrest
? To switch the massage function on or off
A To adjust the contour of the backrest to
increase/decrease support
B To adjust the height/depth of the
backrest contour
The active multicontour seat on the driver's
side automatically adapts the sides of the
backrest
to your current driving style. You can
adjust the contour of the seats individually so
as to provide optimum support for your back
and sides. Dynamic function The dynamic function adjusts the air cushions
in the side bolsters of the seat backrests to
ensure ideal lateral support at all times.
X
To switch on: press button ; once or
twice until the desired level is set.
One or two indicator lamps in button ;
light up.
X To switch off: press button ; repeatedly
until
all indicator lamps in button ; go out.
You can choose between two different levels. Level 1 (one
indicator lamp) Standard setting:
slightly increased
lateral support and
slow build-up of air
pressure in the side
bolsters of the seat
backrest.
Level 2 (two
indicator lamps) Sport setting:
increased lateral
support and fast
build-up of pressure
in the side bolsters
of
the seat backrest. Massage function (PULSE)
The massage function helps you to prevent
muscle tension on long journeys. You can
choose between two levels.
X
To switch on: press button ? once or
twice until the desired level is set.
One or two indicator lamps in button ?
light up. The air cushions in the lumbar
region vibrate for approximately
20 minutes. Seats
107
Seats, steering wheel and mirrors Z