2012 MERCEDES-BENZ GL-Class parking brake

Transmission position display ........155
Transmission positions ..................156
Automatic transmission
emergency mode ............................... 159
B
Back support see Lumbar support
Backup lamp
Changing bulbs (LEDs) ...................127
Display message ............................ 243
BAS (Brake Assist System) ................. 69
Basic settings see Settings
Battery (key)
Checking .......................................... 80
Battery (SmartKey)
Important safety notes ....................80
Replacing ......................................... 80
Battery (vehicle)
Charging ........................................ 328
Display message ............................ 246
Important safety notes ..................326
Jump starting ................................. 329
Belt
see Seat belts
Blind Spot Assist
Activating/deactivating .................228
Display message ............................ 250
Notes/function .............................. 201
Trailer towing ................................. 203
BlueTEC
Adding DEF .................................... 164
BlueTEC (DEF) .................................... 374
Brake Assist System see BAS (Brake Assist System)
Brake fluid
Display message ............................ 236
Notes ............................................. 375
Brake fluid level ................................ 304
Brake lamps Display message ............................ 242
Brakes
ABS .................................................. 68
BAS .................................................. 69
Brake fluid (notes) .........................375
Display message ............................ 233
Driving tips .................................... 169
Important safety notes ..................169
Maintenance .................................. 170
Parking brake ........................ 167, 171
Warning lamp ................................. 259
Breakdown
see Flat tire
see Towing away
Bulbs
see Changing bulbs
C
California Important notice for retail
customers and lessees ....................22
Calling up a malfunction
see Display messages
Capacities
see Technical data
Car
see Vehicle
Care
Carpets .......................................... 312
Car wash ........................................ 306
Display ........................................... 310
Exterior lights ................................ 309
Gear or selector lever ....................311
Matte finish ................................... 308
Notes ............................................. 305
Paint .............................................. 308
Plastic trim .................................... 310
Power washer ................................ 307
Rear view camera .......................... 310
Roof lining ...................................... 312
Seat belt ........................................ 311
Seat cover ..................................... 311
Sensors ......................................... 309
Steering wheel ............................... 311
Tail pipes ....................................... 310
Trim pieces .................................... 311
Washing by hand ........................... 307
Wheels ........................................... 307
Windows ........................................ 309
Wiper blades .................................. 309
Wooden trim .................................. 311
Cargo compartment cover ............... 273
Cargo compartment enlargement ... 270
Index5

EASY-PACK load-securing kit ........... 275
EBD (electronic brake force
distribution) Display message ............................ 235
Function/notes ................................ 71
Electrical fuses
see Fuses
Electronic Brake force Distribution
see EBD (Electronic Brake force
Distribution)
Electronic Stability Program
see ESP ®
(Electronic Stability Program)
Electronic Traction System
see 4ETS (Electronic Traction System)
Emergency release
Driver's door .................................... 85
Fuel filler flap ................................. 161
Vehicle ............................................. 85
Emergency spare wheel
Storage location ............................ 315
Emergency Tensioning Devices
Function ........................................... 59
Safety guidelines ............................. 39
Emissions purification
Service and warranty information ....21
Engine
Check Engine warning lamp ........... 264
Display message ............................ 244
Emergency starting ........................333
Engine number ............................... 370
Irregular running ............................ 153
Starting problems ..........................153
Starting the engine with the
SmartKey ....................................... 150
Starting with KEYLESS-GO .............151
Switching off .................................. 166
Engine electronics
Problem (malfunction) ...................153
Engine emergency stop .................... 335
Engine oil Adding ........................................... 302
Additives ........................................ 375
Checking the oil level ..................... 301
Display message ............................ 246
Filling capacity ............................... 371
Notes about oil grades ................... 375Notes on oil level/consumption ....301
Viscosity ........................................ 375
ESP ®
(Electronic Stability
Program) 4ETS ................................................ 70
Deactivating/activating ...................70
Display message ............................ 233
Function/notes ................................ 69
Important safety information ...........69
Trailer stabilization ........................... 71
Warning lamp ................................. 261
Exhaust check ................................... 169
Exhaust tail pipe (cleaning
instructions) ...................................... 310
Exterior lighting see Lights
Exterior mirrors
Adjusting ....................................... 112
Dipping (automatic) .......................113
Folding in/out (automatically) .......113
Folding in/out (electrically) ...........112
Folding in when locking (on-board
computer) ...................................... 228
Out of position (troubleshooting) ...113
Setting ........................................... 113
Storing settings (memory
function) ........................................ 114
Storing the parking position ..........113
F
Filler cap see Fuel filler flap
First-aid kit ......................................... 314
Flat tire Changing a wheel/mounting the
spare wheel ................................... 321
MOExtended run-flat system .........325
Preparing the vehicle .....................316
Raising the vehicle .........................322
TIREFIT kit ...................................... 317
Floormat ............................................. 297
Fording Off-road ......................................... 171
On flooded roads ........................... 171
Front fog lamp
Switching on/off ........................... 120
Index9

Front fog lamps ................................. 120
Changing bulbs (LEDs) ...................127
Display message ............................ 242
Front windshield
see Windshield
Fuel
Additives ........................................ 373
Calling up the range .......................229
Consumption statistics ..................229
Displaying the current
consumption .................................. 229
Driving tips .................................... 168
Fuel gauge ....................................... 29
Important safety notes ..................372
Premium-grade unleaded gasoline . 372
Problem (malfunction) ...................163
Refueling ........................................ 159
Specifications ................................ 372
Tank content/reserve fuel .............371
Fuel filler flap
Emergency release ........................161
Opening/closing ............................ 161
Fuel filter (display message) ............ 247
Fuel level Calling up the range (on-board
computer) ...................................... 229
Fuel tank
Capacity ........................................ 371
Problem (malfunction) ...................163
Fuse allocation chart (vehicle tool
kit) ...................................................... 314
Fuses Allocation chart ............................. 334
Before changing ............................. 334
Dashboard fuse box .......................334
Engine emergency stop .................335
Fuse box in the cargo
compartment ................................. 334
Fuse box in the engine
compartment ................................. 334
Important safety notes ..................333
G
Garage door opener Clearing the memory .....................296
Notes ............................................. 293
Opening/closing the garage door ..296
Programming (button in the rear-
view mirror) ................................... 294
Gasoline ............................................. 160
Gear or selector lever (cleaning
guidelines) ......................................... 311
Genuine Mercedes-Benz parts ......... 368
Glove box ........................................... 269
GTW (Gross Trailer Weight)
(definition) ......................................... 360
H
Handbrake see Parking brake
Hazard warning lamps ...................... 121
Headlamp cleaning system Notes ............................................. 377
Headlamp delayed switch-off
see Exterior lighting delayed switch-off
Headlamps
Adding fluid to cleaning system .....303
Adjusting the setting ...................... 128
Cleaning system (function) ............121
Misting up ...................................... 122
see Automatic headlamp mode
Head restraints
Adjusting ....................................... 101
Adjusting (electrically) ...................101
Adjusting (manually) ......................101
Adjusting (rear) .............................. 102
Installing/removing (rear) ..............103
Luxury ............................................ 101
see NECK-PRO head restraints
Heating
see Climate control
High-beam headlamps
Changing bulbs .............................. 125
Display message ............................ 242
Switching on/off ........................... 121
Hill start assist .................................. 151
Hood Closing ........................................... 301
Display message ............................ 255
Opening ......................................... 300
Hydroplaning ..................................... 171
10Index

N
Navigation Menu (on-board computer) ............222
On-board computer .......................222
see separate operating instructions
NECK-PRO head restraints
Operation ......................................... 54
Resetting after being triggered ........54
NECK-PRO luxury head restraints
Resetting after being triggered ........54
Notes on breaking-in a new
vehicle ................................................ 148
O
Occupant Classification System
(OCS) Faults ............................................... 49
Operation ......................................... 45
System self-test ............................... 48
Occupant safety
Children in the vehicle .....................61
System overview .............................. 38
Octane number (fuel) ........................ 372
Odometer ........................................... 220
see Trip odometer
Off-road driving
Checklist after driving off-road ......176
Checklist before driving off-road .... 175
General information .......................175
Important safety notes ..................174
Traveling uphill ............................... 178
Off-road program
Notes ............................................. 206
Off-road system
4MATIC .......................................... 203
Differential locks ............................ 208
DSR ............................................... 204
LOW RANGE off-road gear .............206
Off-road 4ETS .................................. 70
Off-road ABS .................................... 69
Off-road drive program ..................206
Off-road ESP ®
.................................. 71
Oil
see Engine oil
On-board computer
Additional functions menu .............228
Audio menu ................................... 221
Convenience submenu ..................227
Displaying a service message ........305
Displaying the coolant
temperature ................................... 220
Displaying the outside
temperature ................................... 220
Display messages ..........................232
DISTRONIC menu .......................... 187
Factory settings ............................. 223
Important safety notes ..................216
Instrument cluster submenu ..........223
Lighting submenu .......................... 224
Menu overview .............................. 219
Message memory menu ................. 232
Navigation menu ............................ 222
Off-road menu ............................... 222
Operating video DVD .....................222
Operation ....................................... 217
Selecting the language ..................224
Settings menu ............................... 223
Standard display ............................ 220
Status bar ...................................... 224
Telephone menu ............................ 230
Time/Date submenu .....................224
Trip computer menu ......................229
Vehicle submenu ........................... 226
Opening and closing the side trim
panels ................................................. 126
Operating system see On-board computer
Outside temperature
Calling up (on-board computer) .....220
Display ........................................... 216
Overhead control panel ...................... 35
Override feature Rear side windows ...........................66
P
Paint code number ............................ 369
Paintwork (cleaning instructions) ... 308
Panic alarm .......................................... 67
Parking Important safety notes ..................166
Parking brake ................................ 167
Index13

Position of exterior mirror, front-
passenger side ............................... 113
Rear view camera .......................... 199
see Parking
see PARKTRONIC
Parking aid
see Exterior mirrors
see PARKTRONIC
Parking brake
Display message ............................ 236
Notes/function .............................. 167
see Parking brake
Parking lamps (changing bulbs) ...... 126
PARKTRONIC Deactivating/activating .................198
Driving system ............................... 196
Function/notes ............................. 196
Problem (malfunction) ...................199
Range of the sensors .....................196
Trailer towing ................................. 198
Warning display ............................. 197
PASSENGER AIRBAG OFF indicator
lamp ...................................................... 45
PASSENGER AIR BAG OFF indicator
lamp (only Canada) ............................. 50
PASSENGER AIR BAG OFF indicator
lamp (only USA) ................................... 45
Pedals ................................................. 168
Permanent four-wheel drive see 4MATIC (permanent four-
wheel drive)
Plastic trim (cleaning instructions) . 310
Power steering Filling capacity ............................... 371
Power washers .................................. 307
Power windows see Side windows
PRE-SAFE ®
(Preventive occupant
safety system) Display message ............................ 236
Operation ......................................... 53
PRE-SAFE ®
Brake (vehicles with
DISTRONIC PLUS) Warning lamp ................................. 265Preventive occupant safety
system
see PRE-SAFE ®
(Preventive
occupant safety system)
Product information ............................ 21
Pulling away (automatic
transmission) ..................................... 151
Q
Qualified specialist workshop ........... 24
R
Radar sensor system Activating/deactivating .................227
Radiator cover ................................... 301
Radio Selecting a station .........................221
see separate operating instructions
Radio-controlled devices
(installing) .......................................... 297
Reading lamp ..................................... 122
Rear bench seat Folding forwards/back ..................270
Rear compartment
Activating/deactivating climate
control ........................................... 138
Setting the air vents ......................146
Setting the temperature ................141
Rear-compartment seat
see Rear seat
Rear fog lamp
Display message ............................ 242
Switching on/off ........................... 120
Rear lamps
see Lights
Rear seat
Adjusting ....................................... 104
Rear view camera
Cleaning instructions .....................310
Function/notes ............................. 199
Rear-view mirror
Anti-glare (manual) ........................112
Dipping (automatic) .......................113
Rear window defroster
Problem (malfunction) ...................143
14Index

CockpitFunctionPage:Combination switch121;Cruise control lever180=Instrument cluster29?HornASteering wheel paddle
shifters
157
BDIRECT SELECT lever154CPARKTRONIC warning
display
196
DOverhead control panel35EClimate control systems134FIgnition lock149Start/Stop button149FunctionPageGAdjusts the steering wheel
manually
109
HOn-board diagnostics
socketIOpens the hood300JParking brake167KReleases the parking brake167LLight switch118MAdjusts the steering wheel
electrically
109
Steering wheel heating11028CockpitAt a glance

XTurn the light switch to $ or à .
or
XIf the rear fog lamp is switched on: press
the light switch in to the stop.
Low-beam headlamps
XTo switch on the low-beam headlamps:
turn the SmartKey in the ignition lock to
position 2 or start the engine.XTurn the light switch to L.
The L indicator lamp in the instrument
cluster lights up.XTo switch off the low-beam
headlamps: turn the light switch to $.
Daytime running lamps
Daytime running lamps in Canada
The "daytime running lamps" function is
required by law in Canada. It cannot therefore
be deactivated.
XTurn the light switch to $ or à .
With the engine running: depending on the
ambient light, the daytime running lamps or
the low-beam headlamps are switched on.
When the low-beam headlamps are
activated, the T indicator lamp on the
light switch and the L indicator lamp in
the instrument cluster light up.
When the engine is running and the vehicle is
stationary or if the parking brake is applied: if
you move the selector lever from a drive
position to P, the daytime running lamps/
low-beam headlamps go out after three
minutes.
When the engine is running, the vehicle is
stationary and in high ambient light
brightness: if you turn the light switch
to T , the daytime running lamps and the
parking lamps are switched on.
Daytime running lamps in the USA
In the USA, the daytime running lamps are
deactivated upon delivery from the factory.XTo activate the daytime running
lamps: activate the daytime running lamps
function in the on-board computer
( Y page 224).XTurn the light switch to $ or à .
With the engine running: depending on the
ambient light, the daytime running lamps or
the low-beam headlamps are switched on.
When the low-beam headlamps are
activated, the T indicator lamp on the
light switch and the L indicator lamp in
the instrument cluster light up.
If the engine is running and you turn the light
switch to T or L , the manual settings
take precedence over the daytime running
lamps.
Automatic headlamp mode
XTo switch on automatic headlamp
mode: turn the light switch to Ã.
SmartKey in position 1 in the ignition lock:
the parking lamps are switched on or off
automatically depending on the brightness
of the ambient light.
With the engine running: depending on the
brightness of the ambient light, the daytime
running lamps 10
or the low-beam
headlamps are switched on or off
automatically.
When the low-beam headlamps are
switched on, the L indicator lamp in the
instrument cluster lights up.GWARNING
If the light switch is set to Ã, the low-beam
headlamps will not come on automatically if
it is foggy. This could endanger you and
others. Therefore, turn the light switch to
L in fog.
10
Only if daytime running lamps have been activated via the on-board computer.Exterior lighting119Lights and windshield wipersZ

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i Please read the information on qualified
specialist workshops ( Y page 24).
Breaking-in notes
The first 1000 miles (1500 km)
The more you look after the engine when it is
new, the more satisfied you will be with its
performance in the future.
R Drive at varying vehicle speeds and engine
speeds for the first 1000 miles (1500 km)
for this reason.
R Avoid overstraining the vehicle during this
period, e.g. driving at full throttle.
R Change gear in good time, at the latest
when the tachometer needle is 2
/ 3 of the
way to the red area in the tachometer
display.
R Do not manually shift to a lower gear to
brake the vehicle.
R If possible, do not depress the accelerator
pedal past the point of resistance
(kickdown).
R Only select shift ranges 3, 2 or 1 when
driving slowly, e.g. in mountainous terrain.
After 1000 miles (1500 km), you can increase
the engine speed gradually and bring the
vehicle up to full speed.
i You should also observe these notes on
running in if the engine or parts of the drive
train on your vehicle have been replaced.
i Always observe the respective speed
restrictions.
Driving
Important safety notes
GWARNING
Make sure absolutely no objects are
obstructing the pedals' range of movement.
Keep the driver's footwell clear of all
obstacles. If there are any floormats or
carpets in the footwell, make sure the pedals
still have sufficient clearance.
During sudden driving or braking maneuvers
the objects could get caught between the
pedals. You could then no longer brake or
accelerate. This could lead to accidents and
injury.
GWARNING
On slippery road surfaces, never downshift in
order to obtain braking action. This could
result in drive wheel slip and reduced vehicle
control. Your vehicle's ABS will not prevent
this type of loss of control.
GWARNING
It is dangerous to shift the automatic
transmission out of parking position P or
neutral position N if the engine speed is
higher than idle speed. If your foot is not firmly
on the brake pedal, the vehicle could
accelerate quickly forward or in reverse. You
could lose control of the vehicle and hit
someone or something. Only shift into gear
when the engine is idling normally and when
your right foot is firmly on the brake pedal.
! Warm up the engine quickly. Do not use
the engine's full performance until it has
reached operating temperature.
Only shift the automatic transmission to
the desired drive position when the vehicle
is stationary.
148DrivingDriving and parking