25 At a glance
Instrument cluster
ItemPage
1Reset button for:
Resetting trip odometer121
Resetting individual or
all settings132,
133,
146,
282
Instrument cluster
illumination120
2LLeft turn signal
indicator lamp24
3?Engine malfunction
indicator lamp
(USA only)294
±Engine malfunction
indicator lamp
(Canada only)294
vElectronic Stability
Program (ESP)
warning lamp84,
295
AHigh beam
headlamp indicator
lamp52,
114
ItemPage
4KRight turn signal
indicator lamp 24
5Fuel gauge with:
Fuel reserve warning lamp24
1Supplemental
Restraint System
(SRS) indicator lamp66,
296
6Multifunction display
with:123
Trip odometer24
Main odometer24
Transfer case program
mode157
Gear selector lever position149
Outside temperature
indicator122
Clock (see COMAND
operating instructions)123
ItemPage
7Speedometer
8Tachometer with:
;Brake warning lamp
(USA only)50,
292
3Brake warning lamp
(Canada only)50,
292
-Antilock Brake
System (ABS)
indicator lamp80,
290
120 Controls in detail
Instrument cluster
A full view illustration of the instrument
cluster can be found in the “At a glance”
section of this manual (
page 24).
1Reset button
The instrument cluster is activated when
you:
Open a door.
Switch on ignition.
Press reset button1.
Switch on the exterior lamps.
You can change the instrument cluster set-
tings in the Instrument cluster submenu of
the control system (
page 136).
Instrument cluster illumination
Use the reset button to adjust the illumina-
tion brightness for the instrument cluster.
To brighten illumination
Turn reset button1 in the instrument
cluster clockwise.
The instrument cluster illumination will
brighten.To dim illumination
Turn reset button1 in the instrument
cluster counterclockwise.
The instrument cluster illumination will
dim.
Coolant temperature display
i
The instrument cluster illumination is
dimmed or brightened automatically to
suit ambient light conditions.
The instrument cluster illumination will
also be adjusted automatically when
you switch on the vehicle’s exterior
lamps.
Warning!G
Driving when your engine is badly over-
heated can cause some fluids which
may have leaked into the engine com-
partment to catch fire. You could be se-
riously burned.
Steam from an overheated engine can
cause serious burns and can occur just
by opening the hood. Stay away from
the engine if you see or hear steam com-
ing from it.
Turn off the engine, get out of the vehicle
and do not stand near the vehicle until the
engine has cooled down.
123 Controls in detail
Control system
Control system
The control system is activated as soon as
the SmartKey in the starter switch is
turned to position1. The control system
enables you to
call up information about your vehicle
change vehicle settings
For example, you can use the control sys-
tem to find out when your vehicle is next
due for service, to set the language for
messages in the instrument cluster display
and much more.
The control system relays information to
the multifunction display.
Multifunction display
1Trip odometer
2Main odometer
3Outside temperature
4Clock
1
5Current gear selector lever position
6Transfer case program mode
Warning!G
A driver’s attention to the road and traffic
conditions must always be his /her primary
focus when driving.
For your safety and the safety of others, se-
lecting features through the multifunction
steering wheel should only be done by the
driver when traffic and road conditions per-
mit it to be done safely.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet
(approximately 14 m) every second.
1See separate operating instructions for the
COMAND system for clock setting.
239 Operation
At the gas station
At the gas station
Refueling
The fuel filler flap is located on the
right-hand side of the vehicle towards the
rear.
Locking/unlocking the vehicle with the re-
mote control automatically locks/unlocks
the fuel filler flap.1Fuel filler flap (including a placard on
the inner side with supplemental tire
inflation pressure information)
2Fuel cap
Turn off the engine.
Remove the SmartKey from the starter
switch.
Open fuel filler flap1 by pushing at
the point indicated by the arrow.
Turn fuel cap2 to the left and hold on
to it until possible pressure is released.
Take off fuel cap2 and set it in the re-
cess on fuel filler flap1.
To prevent fuel vapors from escaping
into open air, fully insert filler nozzle
unit.
Only fill your tank until the filler nozzle
unit cuts out – do not top up or over-
fill.
Replace fuel cap2 by turning it clock-
wise until it audibly engages.
Close fuel filler flap1.
Warning!G
Gasoline is highly flammable and poisonous.
It burns violently and can cause serious inju-
ry. Whenever you are around gasoline, avoid
inhaling fumes and skin contact, extinguish
all smoking materials. Never allow sparks,
flame or smoking materials near gasoline!
Failure to remove the fuel cap slowly could
result in personal injury.
Warning!G
Overfilling of the fuel tank may create pres-
sure in the system which could cause a gas
discharge. This could cause the gas to spray
back out when removing the fuel pump noz-
zle, which could cause personal injury.
355 Practical hints
Battery
Reconnecting the battery
Turn off all electrical consumers.
Connect the positive lead and fasten its
cover.
Connect the negative lead.
Install the breather hose.
!
Never invert the terminal connections.
!
The battery, its filler caps and the vent
tube must always be securely installed
when the vehicle is in operation.
i
The following procedures must be car-
ried out following any interruption of
battery power (e.g. due to reconnec-
tion):
Set the clock (see COMAND
operator’s manual).
Resynchronize the front seat head
restraints and seat adjustment fore,
aft (
page 102).
Synchronize the ESP (page 302).
392 Index
Center console 28
AIRBAG OFF indicator lamp 297
Lower part 29
Upper part 28
Centigrade
Setting temperature units 136
Central locking
From inside 99
Switch 99
Switching on/off (control
system) 142
Unlocking from inside 99
Certification label 368
Changing
Key setting 143
Charging
Vehicle battery 353
Checking
Coolant level 241, 248
Oil level 241, 243
Checklist
Off-road driving 229Child safety 72
Infant and child restraint systems 62,
72
LATCH child seat anchors 77
Child safety switch see Blocking of rear
door window operation
Cigarette lighter 199
Cleaning
Cup holders 287
Gear selector lever 287
Hard plastic trim items 287
Headlamps 165
Headliner 287
Illuminated door sill panels 288
Instrument cluster 287
Leather upholstery 288
Light alloy wheels 287
MB Tex upholstery 288
Plastic and rubber parts 288
Rear Parking Assist sensors* 286
Seat belts 287
Steering wheel 287
Windows 286
Windshield 54
Wiper blades 286
Wood trims 288Cleaning tires 254
Climate control 168
Adjusting 171
Defogging windshield 171
Defrosting 172
Rear window defroster 166
Setting the temperature 170
Clock 25
Closing
Glove box 194
Hood 243
Side windows 175
Tailgate 98
Tilt/sliding sunroof 178, 330
Tilt/sliding sunroof with
SmartKey 179
Windows 175
Windows with SmartKey 176
Closing tilt/sliding sunroof
In an emergency 330
Cockpit 22, 383
Cockpit management and data system
(COMAND) 384
Cold tire inflation pressure 273
COMAND 384
406 Index
Setting
Clock 25
Convenience functions 143
Cruise control 182
Daytime running lamp mode 138,
139
Higher speed in cruise control 183
Individual vehicle settings 132
Instrument lighting 120
Interior lighting delayed shut-off 141
Key-dependent memory 144
Lamps and lighting (control
system) 138
Language, multifunction display 137
Locator lighting 139
Lower speed in cruise control 183
Miles/kilometers in
speedometer 137
Night security illumination 140
Parking position for exterior rear view
mirrors 144
Slower speed in cruise control 183
Speed in cruise control 183
Speedometer display mode 137
Station selection mode 142
Temperature (interior) 170Temperature indicator 136
Time display mode 136
Units
Speedometer 137
Temperature 136
Time 136
Setting current speed 182
Settings
Convenience functions 143
Factory, SmartKey 94
Individual (SmartKey) 144
Lighting (control system) 138
Menus and submenus 125
Resetting all (control system) 132
Resetting in the submenu 133
Selective 94
Settings menu
Functions in 132
Individual vehicle settings 132
Submenus 133
Shift lock 387
Shifting
Gear selector lever positions 151
Shifting into optimal
Gear range 155Side marker lamps 336
Replacing bulbs 336, 342
Side markers
Cleaning 285
Side windows
Automatic opening 175
Cleaning 286
Closing 175, 176
Closing with SmartKey 176
Opening 175, 176
Opening fully 175
Opening with SmartKey 176
Stopping 175
Sidewall 275
Signal strength (telephone) 147
Simultaneous wiping and washing
Windshield wipers 54
Single wipe 54
SmartKey 92
Locking and unlocking 92
Opening and closing the tilt/sliding
sunroof with 179
Opening and closing windows
with 176
Replacing batteries 333
Unlocking with 34