towing MERCEDES-BENZ GL-Class 2013 X166 Owner's Manual

1, 2, 3 ...
115 Vsocket ...................................... 349
12 Vsocket
see Sockets
360° camera
Cleaning ........................................ .376
Function/notes ............................. 229
4ETS (Electronic Traction System) ....71
4MATIC (permanent four-wheel
drive) .................................................. 250A
ABS (Anti-lock Braking System) Display message ............................ 287
Function/notes ................................ 66
Important safety notes ....................66
Warning lamp ................................. 323
Activating/deactivating cooling
with air dehumidification .................151
Active Blin dSpot Assist
Activating/deactivating (on-
board computer) ............................ 277
Display message ............................ 310
Function/informatio n.................... 241
Trailer towing ................................. 244
Active Curve System
Display message ............................ 307
Function/notes ............................. 213
Active Driving Assistance package .241
Active Lane Keeping Assist Activating/deactivating (on-
board computer) ............................ 277
Display message ............................ 310
Function/informatio n.................... 245
Trailer towing ................................. 247
Active light function .........................129
Active Parking Assist Display message ............................ 311
Function/notes ............................. 222
Important safety notes ..................221
Towing atrailer .............................. 225
ADAPTIVE BRAKE ................................. 73
Adaptive Brake Assist Display message ............................ 294
Function/notes ................................ 69 Adaptive Highbeam Assist
Display message ............................ 302
Function/notes ............................. 129
Switching on/off (on-board
computer) ...................................... 279
Additives (engine oil) ........................444
ADS (Adaptive Damping System) Function/notes ............................. 212
Airb ags
Display message ............................ 298
Front air bag (driver, front
passenger )....................................... 46
Important safety notes ....................44
Knee bag .......................................... 47
PASSENGER AIR BAG OFF
indicator lamp .................................. 48
Safety guidelines ............................. 43
Side impact airb ag.......................... 47
Windo wcurtain air bag .................... 48
Air-conditioning system
see Climate control
Airf ilter (display message) ..............305
AIRF LOW ........................................... 153
AIRMATIC package ADS (Adaptive Damping System) ...212
Function/notes ............................. 212
Level control .................................. 213
Airv ents
Glove box ....................................... 159
Important safet ynotes .................. 158
Rea r............................................... 159
Setting ........................................... 158
Setting the center air vents ...........158
Setting the side air vents ...............159
see Climate control
Alarm system
see ATA (Anti-Theft Alarm system)
Ambient lighting
Setting the brightness (on-board
computer) ...................................... 279
Setting the color (on-board
computer) ...................................... 279
AMG adaptive sport suspension
system ................................................ 216
AMG menu (on-board computer) .....282
Anti-loc kbraking system
see ABS (Anti-lock Braking System) 4
Index

Anti-theft alarm system
see ATA (Anti-Theft Alarm system)
Approach/departure angle ..............194
Ashtray ............................................... 347
Assistance menu (on-board
computer) .......................................... 276
ASSYST PLUS Displaying a service message ........371
Hiding a service message ..............371
Notes ............................................. 370
Resetting the service interval
displa y........................................... 371
Service message ............................ 370
Special service requirements ......... 371
ATA (Anti-Theft Alarm system)
Activating/deactivating ...................76
Function .......................................... .76
Switching off the alarm ....................76
ATTENTIO NASSIST
Activating/deactivating .................277
Display message ............................ 306
Function/notes ............................. 234
Audio menu (on-board computer) ....273
Audio system see separate operating instructions
Authorized Centers
see Qualified specialist workshop
Authorized Mercedes-Benz Center
see Qualified specialist workshop
Authorized workshops
see Qualified specialist workshop
AUTO lights
Display message ............................ 302
see Lights
Automatic headlamp mode ..............124
Automatic transmission Automatic drive program ...............173
Changing gea r............................... 172
DIRECT SELECT leve r..................... 169
Display message ............................ 316
Drive program displa y.................... 169
Driving tips .................................... 172
Emergency running mode ..............177
Engaging drive position .................. 171
Engaging neutra l............................ 170
Engaging par kposition
automatically ................................. 170Engaging revers
egear ................... 170
Engaging the par kposition ............ 169
Kickdow n....................................... 172
Manual drive program ....................175
Overview ........................................ 169
Problem (malfunction) ...................177
Progra mselector button ................173
Pulling away ................................... 165
Shift range s................................... 174
Starting the engine ........................165
Steering wheel paddle shifters ......173
Trailer towing ................................. 172
Transmission position displa y........ 169
Transmissio npositions .................. 171
Automatic transmission
emergency mode ............................... 177
Axle load, permissible (trailer
towing) ............................................... 449 B
Bag hook ............................................ 342
Ball coupling Installing ........................................ 259
Removing ....................................... 263
Storing ........................................... 263
BAS (Brake Assist System) .................67
BAS PLUS (Brake Assist System
PLUS) .................................................... 67
Battery (SmartKey) Checking .......................................... 81
Important safety notes ....................81
Replacing ......................................... 81
Battery (vehicle)
Charging ........................................ 390
Display message ............................ 304
Important safety notes ..................387
Jump starting ................................. 391
Overview ........................................ 387
Blin dSpot Assist
Activating/deactivating .................277
Display message ............................ 310
Notes/function .............................. 237
Trailer towing ................................. 239
see Active Blind Spot Assist
BlueTEC
Adding DEF .................................... 181
BlueTEC (DEF) .................................... 442 Index
5

Brake Assist
see BAS (Brake Assist System)
Brake fluid
Displa ymessage ............................ 293
Notes ............................................. 444
Brake lamps
Changing bulbs .............................. 136
Display message ............................ 300
Brakes
ABS .................................................. 66
Adaptive Brake Assist ......................69
BAS .................................................. 67
BAS PLUS ........................................ 67
Brake fluid (notes) .........................444
Display message ............................ 287
Driving tips .................................... 187
High-performance brake system ....188
Important safety notes ..................187
Maintenance .................................. 188
Parking brake ................................ 184
Warning lamp ................................. 322
Breakdown
see Flat tire
see Towing away
Bulbs
see Changing bulbs C
California Important notice for retail
customers and lessees ....................25
Calling up a malfunction
see Display messages
Car
see Vehicle
Care
360° camera ................................. 376
Carpets .......................................... 379
Car wash ........................................ 372
Display ........................................... 377
Exhaus tpipe .................................. 376
Exterior lights ................................ 375
Gea rors electo rlever .................... 378
Interior ........................................... 377
Matte finish ................................... 374
Nigh tView Assist Plus ...................377
Notes ............................................. 371Paint
.............................................. 373
Plastic trim .................................... 377
Power washer ................................ 373
Rea rview camera .......................... 375
Roof lining ...................................... 379
Seat bel t........................................ 379
Seat cover ..................................... 378
Sensors ......................................... 375
Steering wheel ............................... 378
Trim pieces .................................... 378
Washing by hand ........................... 373
Wheels ........................................... 374
Windows ........................................ 374
Wiper blades .................................. 375
Wooden trim .................................. 378
Cargo compartment cover
Notes/ho wtouse......................... 342
Cargo compartment enlargement
Important safety notes ..................340
Cargo compartment floor
Opening/closing ............................ 343
Stowag ewell (under) ..................... 343
Cargo tie down rings .........................341
Car keys see SmartKey
Car wash (care) ................................. 372
CD player/CD changer (on-board
computer) .......................................... 274
Center console Lowe rsection .................................. 37
Uppe rsection .................................. 36
Central locking
Automatic locking (on-board
computer) ...................................... 280
Locking/unlocking (SmartKey) ........79
Changing bulbs
Brake lamps ................................... 136
High-beam headlamps ...................135
Important safety notes ..................133
Low-beam headlamps ....................134
Overview of bul btypes .................. 133
Removing/replacing the cover
(front wheel arch) .......................... 134
Child-proof locks
Important safety notes ....................65
Rea rdoors ....................................... 656
Index

Manual ..........................................
.175
Off-road program (vehicles
without the ON&OFFROAD
package) ........................................ 252
Off-road program (vehicles with
the ON&OFFROAD package) ..........252
SETUP (on-board computer) ..........283
see On-road programs
Driver's door
see Doors
Driving abroad
Mercedes-Benz Service .................371
Symmetrical low bea m.................. 124
Driving in mountainous terrain
Approach/departure angl e............ 194
Driving lamps
see Daytime running lamps
Driving off-road
see Off-road driving
Driving safety systems
4ETS (Electronic Traction System) ...71
ABS (Anti-lock Braking System) .......66
ADAPTIVE BRAKE ............................. 73
Adaptive Brake Assist ......................69
BAS (Brake Assist System) ..............67
BAS PLUS (Brake Assist System
PLUS) .............................................. .67
COLLISION PREVENTION ASSIST ....68
Distance warning function ...............68
Electronic brake force distribution ...73
ESP ®
(Electronic Stability Program) .70
Important safety information ...........66
Overview .......................................... 66
PRE-SAFE ®
Brake ............................ .73
STEER CONTROL ............................. 75
Driving systems
360°camera .................................. 229
Active Blind Spot Assist .................241
Active Curve System ......................213
Active Driving Assistance package 241
Active Lane Keeping Assist ............245
Active Parking Assist .....................221
ADS ............................................... 212
AIRMATIC package ........................212
AMG adaptive sport suspension
system ........................................... 216
ATTENTION ASSIST ........................234Blind Spot Assist ............................ 237
Cruise control
................................ 195
Display message ............................ 306
DISTRONI CPLUS ........................... 198
HOLD function ............................... 211
Lane Keeping Assist ......................239
Level control (vehicles with
AIRMATIC package) .......................213
Level control (vehicles with the
ON&OFFROAD package) ................207
On-road programs .......................... 247
PARKTRONI C................................. 217
Rea rview camera .......................... 225
Driving tips
Automatic transmission .................172
Brakes ........................................... 187
Break-in period .............................. 162
DISTRONI CPLUS ........................... 206
Downhill gradient ........................... 187
Drinking and driving .......................186
Driving abroad ............................... 124
Driving in winter ............................ .190
Driving on flooded road s................ 189
Driving on sand .............................. 193
Driving on wet road s...................... 189
Driving over obstacles ...................193
Exhaus tcheck ............................... 186
Fuel ................................................ 186
General .......................................... 186
Hydroplaning ................................. 189
Icy road surfaces ........................... 190
Limited braking efficiency on
salted road s................................... 188
Off-road driving .............................. 191
Off-road fording ............................. 189
Snow chains .................................. 403
Symmetrical low bea m.................. 124
Tire ruts ......................................... 193
Towing atrailer .............................. 257
Traveling uphill ............................... 194
Wet road surface ........................... 187
DSR (Downhill Spee dRegulation)
Display message ............................ 309
Function/notes ............................. 250
DVD audio
Operating (on-board computer) .....274
DVD video
Operating (on-board computer) .....274 Index
9

Outside temperature display
...........268
Overhead control panel ......................39
Override feature Rea rside windows ........................... 65 P
Pain tcode number ............................ 438
Paintwork (cleaning instructions) ...373
Panic alarm .......................................... 42
Panorama roof with power tilt/
sliding panel
Opening/closing .............................. 98
Opening/closing the roller
sunblind ........................................... 99
Problem (malfunction) ...................100
Resetting ......................................... 99
Panorama sliding sunroof
Important safety notes ....................96
Parking ............................................... 183
Important safety notes ..................183
Parking brake ................................ 184
Position of exterior mirror, front-
passenger side ............................... 120
Rea rview camera .......................... 225
see PARKTRONIC
Parking aid
Active Parking Assist .....................221
see Exterior mirrors
see PARKTRONIC
Parking brake
Display message ............................ 290
Electric parking brake ....................184
Warning lamp ................................. 328
Parking lamps
Switching on/off ........................... 126
PARKTRONIC
Deactivating/activating .................219
Driving system ............................... 217
Function/notes ............................. 217
Important safety notes ..................217
Problem (malfunction) ...................221
Range of the sensors .....................218
Trailer towing ................................. 220
Warning displa y............................. 219
PASSENGE RAIR BAG OFF indicator
lamp ...................................................... 48
Plastic trim (cleaning instructions) .377 Power closing feature
.........................86
Power washers .................................. 373
Power windows see Side windows
PRE-SAFE ®
(anticipatory occupant
protection) Display message ............................ 293
Operation ........................................ .54
PRE-SAFE ®
Brake
Activating/deactivating .................276
Display message ............................ 295
Function/notes ................................ 73
Warning lamp ................................. 332
Program selector button ..................173
Protection of the environment General notes .................................. 23
Pulling away
Trailer ............................................ 166
Pulling away (automatic
transmission) ..................................... 165 Q
Qualifie dspecialis tworkshop ...........28 R
RACETIMER (on-board computer) ....283
Radar sensor system Activating/deactivating .................281
Display message ............................ 309
Radiator cover ................................... 367
Radio Selecting astation ......................... 273
see separate operating instructions
Radio-controlled devices (installing) 363
Reading lamp ..................................... 131
Rear compartment Exit/entry position (3rd row of
seats) ............................................ .108
Setting the airv ents...................... 159
Rear fog lamp
Switching on/off ........................... 126
Rear seats
Adjusting ....................................... 107
Display message ............................ 318 Index
15

Tread wear
..................................... 416
TWR (permissible trailer drawbar
noseweight) (definition) .................423
Uniform Tire Quality Grading
Standard s...................................... 415
Uniform Tire Quality Grading
Standard s(definition) .................... 421
Unladen weight (definition) ............422
Wea rindicato r(definition) .............423
Whee lrim (definition ).................... 421
see Flat tire
Top Tether ............................................ 63
Towing Important safety guidelines ...........393
Installing the towing eye ................394
Removing the towing eye. ..............395
Towing atrailer
Activ eParking Assist ..................... 225
Axle load, permissible ....................449
Cleaning the trailer tow hitch ......... 376
Coupling up atrailer ...................... 260
Decoupling atrailer ....................... 262
Driving tips .................................... 257
ESP ®
(Electronic Stability Program) .72
Important safety notes ..................257
Installing the ball coupling .............259
Mounting dimensions ....................448
Power supply ................................. 264
Pulling away with a trailer ..............166
Removing the ball coupling ............263
Shift range ..................................... 172
Storing the ball coupling ................263
Trailer drive program .....................249
Trailer loads ................................... 449
Towing away
With both axles on the ground .......395
Tow-starting
Emergency engine starting ............396
Important safety notes ..................393
Trailer coupling
see Towing atrailer
Trailer loads and drawbar
noseweights ...................................... 263
Trailer towing Active Blind Spot Assist .................244
Active Lane Keeping Assist ............247
Blind Spot Assist ............................ 239 PARKTRONI
C................................. 220
Permissible trailer loads and
drawba rnoseweights ..................... 263
Transfer case ..................................... 177
Transmission see Automatic transmission
Transmission position display .........169
Transmission position display
(DIRECT SELECTl ever)...................... 169
Transporting the vehicle ..................395
Traveling uphill Brow of hill ..................................... 195
Driving downhill ............................. 195
Maximum gradient-climbing
capability ....................................... 195
Trim pieces (cleaning instructions) .378
Trip computer (on-board computer) 271
Trip odometer Calling up ....................................... 270
Resetting (on-board computer) ......272
see Trip odometer
Trunk
see Tailgate
Turn signals
Display message ............................ 299
Switching on/off ........................... 127
TWR (Tongue Weight Rating)
(definition) ......................................... 423
Type identification plate see Vehicle identification plate U
Unlocking Emergency unlocking .......................86
From inside the vehicle (central
unlocking button) ............................. 85 V
Vanity mirror (in the sun visor) ........346
Vehicle Correct use ...................................... 28
Data acquisition ............................... 29
Display message ............................ 316
Equipment ....................................... 24
Individua lsettings .......................... 278
Limited Warranty ............................. 2920
Index

Loading
.......................................... 412
Locking (in an emergency) ...............87
Locking (SmartKey) .......................... 79
Lowering ........................................ 428
Maintenance .................................... 25
Parking for a long period ................ 186
Pulling away ................................... 165
Raising ........................................... 425
Reporting problems .........................28
Securing from rolling away ............424
Towing away .................................. 393
Transporting .................................. 395
Unlocking (in an emergency) ...........86
Unlocking (SmartKey) ......................79
Vehicle data ................................... 446
Vehicle battery
see Battery (vehicle)
Vehicle data ....................................... 446
Vehicle dimensions ...........................446
Vehicle emergency locking ................87
Vehicle identification number see VIN
Vehicle identification plate ..............438
Vehicle level AMG adaptive sport suspension
system ........................................... 216
Vehicle level (display message) .......306
Vehicle maintenance see ASSYST PLUS
Vehicle tool kit .................................. 382
Video Operating the DVD ......................... 274
VIN ...................................................... 438W
Warning and indicator lamps ABS ................................................ 323
Brakes ........................................... 322
Check Engine ................................. 329
Coolant .......................................... 330
Distance warning ........................... 332
DISTRONI CPLUS ........................... 332
ESP ®
.............................................. 325
ESP ®
OFF ....................................... 326
Fuel tank ........................................ 329
Overview .................................. 34, 320 PASSENGER AIR BAG OFF
indicator lamp
.................................. 48
Reserve fuel ................................... 329
Seat bel t........................................ 321
SRS ................................................ 328
Tire pressure monitor ....................333
Warranty ............................................ 438
Washer fluid Display message ............................ 318
Wheel bol ttightening torque ...........428
Wheel chock ...................................... 424
Wheels Changing awheel .......................... 423
Checking ........................................ 401
Cleaning ......................................... 374
Cleaning (warning) .........................424
Emergency spare wheel .................434
Important safety notes ..................400
Interchanging/changing ................423
Mounting anew wheel ................... 427
Mounting awheel .......................... 424
Overview ........................................ 400
Removing awheel .......................... 427
Storing ........................................... 424
Tightening torque ........................... 428
Whee lsize/tir esize ....................... 428
Window curtain air bag
Display message ............................ 296
Operation ........................................ .48
Windows
see Side windows
Windshield
Defrosting ...................................... 155
Infrared reflective .......................... 363
Windshiel dwasher fluid
see Windshield washer system
Windshiel dwasher system
Adding washer fluid .......................370
Notes ............................................. 446
Windshiel dwipers
Problem (malfunction) ...................139
Rea rwindow wiper ........................ 137
Replacing the wiper blades ............137
Switching on/off ........................... 136
Winte rdriving
Slippery roa dsurface s................... 190
Snow chains .................................. 403 Index
21

Useful information
............................162
Notes on breaking-in anew vehicle 162
Driving ............................................... 162
Automatic transmission ...................169
Refueling ............................................ 177
Parking ............................................... 183
Driving tips ........................................ 186
Driving systems ................................ 195
Towing atrailer ................................. 257 161Driving and parking

0011
Park position with parking lock
000E Reverse gear
000F Neutral
0010 Drive
X Push the DIRECT SELECT lever in the
direction of arrow P.
i The automatic transmission shifts into
park position Pautomatically:
R if you open the driver's door while the
vehicle is stationary in transmission
position Dor R
R if you open the door while traveling at
very low speeds in transmission position
D or R
Engaging parkp osition P automaticallyPark position
Pis automatically engaged if:
R you switch off the engine using the
SmartKey and remove the SmartKey.
R you switch off the engine using the Start/
Stop button and open one of the front
doors.
R the HOLD (Y page 211) or DISTRONIC
PLUS (Y page 198) function brake your
vehicle until it is stationary and at least one
of the following conditions is fulfilled:
- there is a system malfunction.
- the vehicle is on a steep uphill or downhill
gradient .The electric parking brake is
then also applied. Engaging reverse gear R !
Only shift the automatic transmission to
R when the vehicle is stationary.
X When the vehicle is stationary, depress the
brake pedal.
X Push the DIRECT SELECT lever up past the
first point of resistance.
Shifting to neutral N G
WARNING
If children are left unsupervised in the vehicle,
they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R release the parking brake.
R shift the automatic transmission out of
parking position P.
R starting the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
X When the vehicle is stationary, depress the
brake pedal.
X Push the DIRECT SELECT lever up or down
to the first point of resistance.
If the engine has been switched off, the
automatic transmission automatically shifts
to N.
If you want the automatic transmission to
remain in neutral N, e.g. when having the
vehicle cleaned in an automatic car wash with
a towing system, observe the following notes: 170
Automatic transmissionDriving and parking

0004
Neutral
Do not shift the transmission to
N
while driving. Otherwise, the
automatic transmission could be
damaged.
No power is transmitted from the
engine to the drive wheels.
Releasing the brakes will allow you
to move the vehicle freely, e.g .to
push it or tow it.
If ESP ®
is deactivated or faulty:
only shift the transmission to
position Nif the vehicle is in danger
of skidding, e.g. on icy roads.
If you switch off the engine using
the SmartKey or the Start/Stop
button, the automatic transmission
shifts to neutral Nautomatically.
! Rolling in neutral Ncan damage
the drive train. 000C
Drive
The automatic transmission
changes gear automatically. All
forward gears are available.
Changing gear
The automatic transmission shifts to the
individual gears automatically when it is in
transmission position D.This automatic
gearshifting behavior is determined by:
R a possible limitation of the shift range
R the position of the accelerator pedal
R the road speed Driving tips
Kickdown Use kickdown for maximum acceleration:
X
Depress the accelerator pedal beyond the
pressure point.
The transmission shifts to a lower gear
depending on the engine speed.
X Ease off the accelerator pedal once the
desired speed is reached.
The automatic transmission shifts back up.
Rocking the vehicle free Shifting the transmission repeatedly between
gears
Dand Rmay help to free the vehicle if
it has become stuck in slush or snow. The
vehicle's engine management restricts
repeated shifting between gears up to a
maximum speed of 5 mph (9 km/h). To shift
back and forth between transmission
positions Dand R, move the selector lever up
and down beyond the pressure point.
Towing atrailer X
Drive in the middle of the engine speed
range on uphill gradients.
X Shift down to shift range 3or
2(Y page 174) depending on the uphill or
downhill gradient, eve nifcruise control,
cruise control or DISTRONIC PLUS is
activated. 172
Automatic transmissionDriving and parking