2012 MERCEDES-BENZ GL SUV emergency towing

Alar
msystem
se eA TA(Anti-Thef tAlarms ystem)
Ambient lighting
Setting the brightness (on-board
computer) ...................................... 281
Setting the colou r(on-boar dcom-
puter )............................................. 282
AMG men u(on-boa rd computer) .....286
AMG RID ECONTROL sports sus-
pension ............................................... 215
Anti-glare film .................................... 358
Ant i-loc kB rakin gSystem
se eA BS (Anti-lock Braking System)
Anti-Thef tAlarm system
se eA TA (Anti-Theft Alarm system)
Approach/d eparture angle ..............191
Aquaplaning ....................................... 186
Ashtray ............................................... 349
Assistanc emenu (on-board com-
puter) ................................................. .277
AS SYST PLUS
Displaying aservice message ........365
Hid ingas ervice message ..............365
Note s............................................. 364
Resetting the service interva ldis-
pla y................................................ 365
Service message ............................ 364
Specia lservice requirem ents ......... 365
ATA (Anti-Theft Alarm system)
Activating/deactivating ...................71
Functio n.......................................... .71
Interio rmotion sensor ..................... 72
Switch ingo ff th ealarm .................... 71
To w-awa yprotectio n........................ 71
ATTENTIO NASSIST
Ac tivating/deactivating .................278
Display message ............................ 307
Function/notes ............................. 232
Audio men u(on-boa rd computer) ....274
Author ised workshop
see Qualified specialist workshop
AUTO lights
Display message ............................ 303
se eL ights
Automatic engine start (ECO start/
stop function) .................................... 165Automatic en
gine switch-of f(ECO
st art/stop functio n).......................... 164
Automatic headlamp mode ..............119
Automatic transmission Accelerator pe dalposition ............. 170
Automatic drive program ...............171
Ch anging gear ............................... 170
DIREC TSELECT leve r..................... 167
Display message ............................ 319
Drive positio n(ECO start/stop
function) ........................................ 169
Drive program di splay. ................... 168
Driving tip s.................................... 170
Emergency running mod e.............. 174
Engag ingd rive positio n.................. 169
Engag ingn eutral ............................ 169
Engag ingp ark positio nautomati-
cally ............................................... 168
Engag ingr ever se ge ar................... 169
Engag ingt he park position ............168
Kickdow n....................................... 170
Manual drive program ....................172
Neutral (EC Ostart/stop function) .169
Overview ........................................ 167
Pro blem (fault) ............................... 174
Progra mselector button ................170
Pullin gaway................................... 161
Shift rang es................................... 171
Starting the engine ........................161
Steering wh eelgearshift paddle s... 171
Traile rtowing ................................. 170
Transmissio nposition display ........168
Transmission positions ..................169
Automatic transmission emer-
gency runnin gmode ......................... 174
Aux iliary heating
Activating/deactivating .................148
Activating/deactivating (o nthe
centr econsole) .............................. 149
Display message ............................ 321
Important safety notes ..................148
Pro blem (display message) ............153
Remote control .............................. 149
Setting ........................................... 284
Setting the de parture time ............. 150 Index
5

Menu (on-boar
dcomputer )............ 275
Number from the phone book ........ 276
Redialling ....................................... 276
Rej ecting/end ingac all................. 276
Te lephon ecompartmen t................ 339
Temperature
Coolan t.......................................... 268
Co olan t(on-board computer) ...... ...2 86
Engine oi l(on-board computer) ...... 286
Outside temperatur e..................... .268
Setting (cl imate control) ................143
TEMPOMAT
Function/notes ............................. 193
Theft-deterren tsyst em
ATA (Anti-Theft Alarm system) .........71
Immob iliser ...................................... 71
Through-loading ................................ 341
Time seeS eparate Owner's manual
Timing (RACETIMER) .........................287
TIRE FITk it.......................................... 379
Top Tether ............................................ 55
Total distanc erecorder .................... 271
Tow-away protection ..........................71
Towing Important safety notes ..................388
Towing atrailer
Active Blind Sp ot Assist................. 245
Active Lane Kee ping Assist ............248
Active Parking Assis t..................... 223
Axle lo ad,p erm issible .................... 433
Bulb failure ind icator for LED
lamps ............................................. 263
ESP ®
(Electroni cStability Pro-
gram) ............................................... 67
Pullin gawayw ithat railer .............. 162
Traile rdrive program ..................... 250
Towing away
Fitting the tow inge ye.................... 390
Removing the tow inge ye............... 390
With both axl eson the ground .......390
Tow-starting
Emergency engine starting ............391
Important safety notes ..................388
Trailer
Display message ............................ 321Trailer coupli
ng
se eT owing atrailer
Traile rtowing
7-pin connector ............................. 263
Blind Spo tAssist ...... ...................... 240
Cleaning the trailer tow hitch ......... 371
Coupling up atrailer ...................... 260
Decouplin gatrailer ....................... 261
Driving tip s.................................... 257
Fol ding in the bal lcoupling ............ 261
Fol ding out the bal lcoupling .......... 259
Important safety notes ..................257
Mo unting dimensions ....................432
Parktroni c...................................... 218
Po wer suppl y................................. 262
Pro blem (fault) ............................... 264
Shift rang e..................................... 170
Traile rloads ................................... 433
Transmission
seeA utomati ctransmission
Transmissio nposition display .........168
Transmission pos ition display
(DIRECT SELECT lever) ......................168
Transportin gthe vehicle .................. 391
Travellin guphill
Brow of hil l..................................... 192
Driving downhil l............................. 192
Maximum gradient-cl imbing capa-
bility .............................................. .192
Trim pie ces( cle anin ginstructions) .372
Trip computer (on-b oard com-
puter) ................................................. .271
Trip meter Calling up ....................................... 271
Resetting (on-bo ardc omputer )...... 272
Turn si gnal
se eT urn signals
Turn signals
Switching on/off ........................... 121
TV
Operating (on-bo ardc omputer )..... 275
se eS eparate operating instructions
Two- wayradio
Freq uencies ................................... 421
Installati on .................................... .421
Transmission output (maximum ).... 421 20
Index

Make sur
ethat children travellin ginthe vehi-
cle ar enot able to injure themselves on the
hot cigarette lighter or cause afire with it.
! The cigarette lighter in the centre console
in the front compartmen tisn ot intended
for operatin gthe tyr einflation compressor. X
Turn the key to position 2in the ignition
lock.
X To open: slide cover :to its foremost
position.
X Pres sinc igarette lighter ;.
Cigarette lighter ;will pop out automati-
cally when the heating element is red-hot.
X To close: pull cover :back as far as it will
go. 12
Vsockets
General notes X
Turn th ekey to position 1in th eignition
lock.
Wit hthe exception of th esocket in th efront
centr econsole, all socket scan be used for
accessories with amaximum curren tdraw of
240 W(20 A) .The socket in the front centre
console can be used for accessories with a
maximum curren tdraw of 180 W(15 A).
Accessories includ esuch items as lamp sor
charg ersf or mobi lephones.
If you use the sockets for long periods when
the engine is switched off ,the battery may
discharge. i
An emergency cut-of fensure sthat the on-
board voltage does not drop too low. If the
on-boar dvoltage is too low, the power to
the socket sisautomatically cut. This
ensures that there is sufficient power to
start the engine.
Socket in the front centre console !
The socket is not intended for operating
the tyre inflation compressor. X
To open: slide cover :to its foremost
position.
X Lift up the cover of socket ;.
X To close: pull cover :back as far as it will
go.
Socket in the rear-compartment centre
console X
Lift up the cover of socket :.
On vehicles with the Rear Seat Entertainment
System, there are two sockets in the rear-
compartmen tcentre console. 350
FeaturesStowing and features

C
Warning triangle
D Wheel bolts
E Towing eye
X Lif tthe luggage compar tment floor up
(Y page 344). Flat ty
re Prep
aring the vehicle
Your vehicle may be equipped with:
R MOExtended tyres (tyres with run -flat char-
acteristics) (Y page 378)
R aT IREFIT kit (Y page 379)
R an emergency spare whee l(only for cer tain
countries) (Y page 414)
Information on changing/fitting awheel
(Y page 404).
Vehicle preparation is not necessar yonvehi-
cles with MOExtended tyres.
X Stop the vehicle as far away as possible
from traffic, on solid, non-slipper yand level
ground.
X Switch on the hazard warning lamps.
X Engag ethe electric parkin gbrake man-
ually.
X Bring th efront wheels into the straight-
ahead position.
X Move the DIRECT SELECT leve rtoP.
X Vehicle swith the ON&OFFROAD pack-
age: makesure that highway level is selec-
ted (Y page 207).
X Switch off the engine.
X Vehicles without KEYLESS-GO: remove
the key from the ignition lock.
X Vehicles with KEYLESS-GO: open the
driver' sdoor.
The on-boar delectronic shave status 0,
which is the same as the key having been
removed.
X Vehicles with KEYLESS-GO: remove the
Start/Stop button from the ignition lock
(Y page 159). X
All occupants must leave the vehicle. Make
sure that they are not endangered as they
do so.
X Make sure that no one is near the danger
area while awheel is being changed. Any-
one who is not directly assisting in the
wheel change should, for example, stand
behind the barrier.
X Get out of the vehicle. Pay attention to traf-
fic condition swhen doing so.
X Close the driver's door.
X Plac ethe warnin gtriangl easuitable dis-
tance away (Y page 376). Observe legal
requirements.
X Unload heavy luggage.
i Only operate the tyre inflation compres-
sor using a12Vs ocket,even if the ignition
is turned off (Y page 350).
An emergenc ycut-off ensures that the on-
board voltage does not drop too low. If the
on-board voltage is too low, the power to
the sockets is automatically cut. This
ensures that there is sufficient power to
start the engine. MOExtended tyres (tyres with run-flat
characteristics)
G
WARNING
When driving in emergenc ymode, the driving
characteristic sdeteriorate, e.g. when cor ner-
ing, accelerating quickly and when braking.
There is arisk of accident.
Do not exceed the stated maximum speed.
Avoid abrupt steering and drivin gmanoeu-
vres, and driving over obstacles (kerbs, pot-
holes ,off-road) .This applies in particular to a
laden vehicle.
Sto pdriving in emergency mod eif:
R you hear banging noises.
R the vehicl estart stos hake.
R you see smok eand smell rubber. 378
Flat tyreBreakdown assistance

switch, the hazard warnin
glamps start
flashing again. Transporting the vehicle
! Only lash the vehicle down by the wheels
or wheel rims, not by parts of the vehicle
such as axle or steering components. Oth-
erwise, the vehicle could be damaged.
The towing eyes or trailer tow hitch can be
used to pull the vehicle onto atrailer or trans-
porter if yo uwish to transport it.
X Turn the key to position 2in the ignition
lock.
X Shift the automatic transmission to posi-
tion N.
As soon as the vehicle is loaded:
X Prevent the vehicle from rolling away by
applying the electric parkin gbrake.
X Shift th eautomatic transmission to posi-
tion P.
X Turn the key to position 0in the ignition
lock and remove it.
X Secure the vehicle. Information for 4MATIC vehicles
! Vehicles with 4MATIC must not be towed
with the front or rear axle raised; otherwise,
the transmission may be damaged.
If the vehicle has transmission damage or
damage to the front or rear axle, have it trans-
ported on atransporter or trailer.
In the even tofdamage to the ele ctrical
system
If the battery is defective, the automatic
transmission will be locked in position P.To
shif tthe automatic transmission to position
N,y ou must provide power to the vehicle's
electrical system in the same way as when
jump-starting (Y page 386).
Hav ethe vehicle transported on atransporter
or trailer. Recov
ering avehicle that ha sbecome
stuck
! When recovering atrapped vehicle ,donot
je rk the vehicle or pull it at an angle. If the
tractive powe rist oo high, th evehicles
could be damaged.
If th edrive wheels ge ttrapped on loose or
muddy ground, recover th evehicle with the
utmost care, especially so if the vehicle is
laden.
Never attempt to recover avehicle with a
trailer atta ched.
Pull out the vehicle backwards, if possible,
using the tracks it made when it became
stuck. Tow-starting (emergency engine
starting)
! Vehicles with automatic transmission
must not be tow-star ted. Otherwise, you
could damage the automatic tra nsmission.
You ca nfind information on "Jump-starting"
at (Y page 386). Electrical fuses
Important safet
ynotes G
WARNING
Only use fuses that have been approved for
Mercedes-Benz vehicles and which have the
correct fuse ratin gfor the system scon-
cer ned. Do not attempt to repair or bridge
faulty fuses. Usin gfuses which have not been
approved or attempting to repair or bridge
faulty fuses could cause the fuse to be over-
loaded and result in afire. Have the cause
traced and rectified at aqualified specialist
workshop.
! Only use fuses marked with an "S" for the
fuse box in the engine compartment and
under the rear bench seat. Components or
systems could othe rwise be damaged. Electrical fuses
391Breakdown assistance Z