2018 MERCEDES-BENZ GLS cruise control

Switching the ZONE function
on/off ............................................ 133
Coat hooks ......................................... 306
Cockpit
Overview .......................................... 36
see Instrument cluster
Collapsible spare wheel
Inflating ......................................... 382
see Emergency spare wheel
COMAND
Driving dynamics display ............... 223
COMAND display
Cleaning ......................................... 335
Combination switch .......................... 116
Connecting a USB device
see also Digital Operator's Man-
ual .................................................. 292
Consumption statistics (on-board
computer) .......................................... 236
Controller ........................................... 293
Convenience closing feature .............. 90
Convenience opening feature ............ 90
Coolant (engine)
Checking the level ......................... 328
Display message ............................ 261
Filling capacity ............................... 391
Important safety notes .................. 390
Temperature (on-board computer,
Mercedes-AMG vehicles) ............... 245
Temperature gauge ........................ 234
Warning lamp ................................. 288
Cooling
see Climate control
Copyright ............................................. 35
Cornering light function
Display message ............................ 260
Crash-responsive emergency light-
ing ....................................................... 120
Crosswind Assist ................................. 71
Crosswind driving assistance ............ 71
Cruise control
Activating ....................................... 175
Activation conditions ..................... 175
Cruise control lever ....................... 175
Deactivating ................................... 176
Display message ............................ 271
Driving system ............................... 174 Function/notes ............................. 174
Important safety notes .................. 174
Storing and maintaining current
speed ............................................. 175
Cup holder
Center console .............................. 309
Important safety notes .................. 308
Rear compartment ......................... 309
Temperature controlled ................. 309
Third row of seats .......................... 310
Customer Ass istance Center
(
CAC) ..................................................... 31
Customer Relations Department ....... 31
D Data
see Technical data
Data carrier
Selecting ........................................ 239
Daytime running lamps
Display message ............................ 260
Function/notes ............................. 115
Switching on/off (on-board com-
puter) ............................................. 243
Declarations of conformity ................. 30
DEF
Adding ........................................... 158
Display message ............................ 264
Filling capacity ............................... 389
Important safety notes .................. 389
Diagnostics connection ...................... 31
Differential lock (display mes-
sage) ................................................... 267
Digital Operator's Manual
Help ................................................. 26
Introduction ..................................... 26
Digital speedometer ......................... 237
DIRECT SELECT lever
Automatic transmission ................. 148
Display messages
ASSYST PLUS ................................ 329
Calling up (on-board computer) ..... 248
Driving systems ............................. 265
Engine ............................................ 261
General notes ................................ 248
Hiding (on-board computer) ........... 248
KEYLESS-GO .................................. 2788
Index

Lights ............................................ .2 60
Safety systems .............................. 249
SmartKey ....................................... 278
Tires ............................................... 273
Vehicle .......................................... .2 75
Distance Pilot DISTRONIC
Activating ....................................... 178
Activation conditions ..................... 178
Cruise control lever ....................... 178
Display Message ............................ 270
Displays in the instrument cluster .. 181
Driving tips ................................... .1 82
Function/notes ............................ .1 76
Important safety notes .................. 176
Setting the specified minimum
distance ......................................... 180
Stopping ........................................ 179
Switching off .................................. 180
Warning lamp ................................. 290
Distance recorder
see Odometer
see Trip odometer
Distance warning (warning lamp) .... 290
Distance warning function
Function/notes ................................ 68
Warning lamp ................................. 290
Doors
Automatic locking (on-board com-
puter) ............................................. 244
Automatic locking (switch) .............. .8 4
Central locking/unlocking
(SmartKey) ...................................... .7 7
Control panel .................................. .4 3
Display message ............................ 277
Emergency locking ........................... 84
Emergency unlocking ....................... 84
Important safety notes .................... 83
Opening (from inside) ...................... 83
Overview .......................................... 83
Power closing .................................. 84
Drinking and driving ......................... 165
Drive program
Automatic transmission ................. 151
Off-Road program (vehicles with-
out Off-Road Engineering pack-
a g e) ............................................... 219
Off-road programs (vehicles with
Off-Road Engineering package) ...... 220 SETUP (on-board computer,
Mercedes-AMG vehicles) ............... 246
Drive programs
Display (DIRECT SELECT lever) ...... 149
Driver's door
see Doors
Driving
Important safety notes .................. 139
Driving abroad
Mercedes-Benz Service ................. 330
Driving Assistance PLUS package ... 213
Driving in mountainous terrain
Approach/departure angle ............ 173
Driving lamps
see Daytime running lamps
Driving off-road
see Off-road driving
Driving safety system
Active Brake Assist .......................... 67
Braking assistance appropriate to
the situation ..................................... 69
Driving safety systems
ABS (Anti-lock Braking System) ....... 66
Active Brake Assist with cross-
traffic function ................................. 72
ADAPTIVE BRAKE ............................. 72
BAS (Brake Assist System) .............. 67
Distance warning function ............... 68
EBD (electronic brake force distri-
bution) ............................................. 72
ESP ®
(Electronic Stability Pro-
gram) ............................................... 69
Important safety information ........... 66
Overview .......................................... 66
STEER CONTROL ............................. 75
Driving system
AIRMATIC package ........................ 188
Distance Pilot DISTRONIC ............. 176
Distance Pilot DISTRONIC with
Steering Pilot ................................. 182
Parking assist PARKTRONIC .......... 192
Parking Pilot .................................. 195
Driving systems
360°camera .................................. 203
Active Blind Spot Assist ................. 213
Active Curve System ...................... 189
Active Lane Keeping Assist ............ 215
ADS ............................................... 188 Index 9

AMG adaptive sport suspension
system ........................................... 191
ATTENTION ASSIST ........................ 207
Blind Spot Assist ............................ 209
Cruise control ................................ 174
Display message ............................ 265
Driving Assistance Plus package ... 213
HOLD function ............................... 187
Lane Keeping Assist ...................... 211
Level control (vehicle with the Off-
Road Engineering package) ........... 184
Rear view camera .......................... 199
Traffic Sign Assist .......................... 208
Driving tips
Automatic transmission ................. 150
Brakes ........................................... 166
Break-in period .............................. 139
Distance Pilot DISTRONIC ............. 182
Downhill gradient ........................... 166
Drinking and driving ....................... 165
Driving in winter ............................. 169
Driving on flooded roads ................ 168
Driving on sand .............................. 172
Driving on wet roads ...................... 168
Driving over obstacles ................... 173
Exhaust check ............................... 165
Fuel ................................................ 164
General .......................................... 164
Hydroplaning ................................. 168
Icy road surfaces ........................... 169
Limited braking efficiency on sal-
ted roads ....................................... 167
Off-road driving .............................. 170
Off-road fording ............................. 169
Snow chains .................................. 356
The first 1000 miles (1500 km) ..... 139
Tire ruts ......................................... 172
Towing a trailer .............................. 225
Traveling uphill ............................... 173
Wet road surface ........................... 167
DSR (Downhill Speed Regulation)
Display message ............................ 267
Function/notes ............................. 218
DVD video
Operating (on-board computer) ..... 239
see also Digital Operator's Man-
ual .................................................. 292 DYNAMIC SELECT controller
Automatic transmission ................. 147
E EASY-ENTRY feature
Activating/deactivating ................. 244
Function/notes ............................. 109
EASY-EXIT feature
Crash-responsive ........................... 110
Function/notes ............................. 109
Switching on/off ........................... 244
EBD (electronic brake force distri-
bution)
Display message ............................ 251
Function/notes ................................ 72
ECO display
Function/notes ............................. 165
On-board computer ....................... 237
ECO start/stop function
Automatic engine start .................. 145
Automatic engine switch-off .......... 144
Deactivating/activating ................. 145
General information ....................... 144
Important safety notes .................. 144
Introduction ................................... 144
Electronic Stability Program
see ESP ®
(Electronic Stability Program)
Emergency
Automatic measures after an acci-
dent ................................................. 59
Emergency release
Driver's door .................................... 84
Vehicle ............................................. 84
Emergency spare wheel
General notes ................................ 380
Important safety notes .................. 380
Removing ....................................... 381
Storage location ............................ 381
Stowing .......................................... 381
Emergency Tensioning Devices
Activation ......................................... 56
Emergency unlocking
Tailgate ............................................ 88
Emissions control
Service and warranty information .... 28
Engine
Check Engine warning lamp ........... 28810
Index

Opening/closing .............................. 93
Problem (malfunction) ..................... 96
Resetting ......................................... 94
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery ....................... 80
Changing the programming ............ .7 9
Checking the battery ...................... .8 0
Convenience closing feature ............ 91
Convenience opening feature .......... 90
Dis play message ............................ 278
Door central locking/unlocking ...... .7 7
Important safety notes .................... 77
KEYLESS-GO start function .............. 79
Loss ................................................ .8 1
Mechanical key ................................ 79
Overview .......................................... 77
Positions (ignition lock) ................. 140
Problem (malfunction) ..................... 81
Starting the engine ........................ 142
Smartphone
Starting the engine ........................ 142
SMS
see also Digital Operator's Man-
ual .................................................. 292
Snow chains
Information .................................... 356
Sockets
Center console .............................. 312
General notes ................................ 312
Luggage compartment .................. .3 13
Rear compartment ......................... 312
Sound
Switching on/off ........................... 293
Special seat belt retractor .................. 60
Specialist workshop ............................ 31
Speed, controlling
see Cruise control
Speedometer
Digital ............................................ 237
In the Instru ment
cluster ................. 37
Segments ...................................... 233
Selecting the display unit .............. .2 43
Standing lamps
Display message ............................ 260
Switching on/off ........................... 116 Start/Stop button
Starting the engine ........................ 142
Start/stop function
see ECO start/stop function
Starting (engine) ................................ 141
STEER CONTROL .................................. 75
Steering
Display message ............................ 277
Steering Pilot
Activating/deactivating ................. 241
Display message ............................ 271
Steering wheel
Adjusting (electrically) ................... 109
Adjusting (manually) ...................... 108
Button overview ............................... 38
Buttons (on-board computer) ......... 234
Cleaning ......................................... 336
Important safety notes .................. 108
Steering wheel heating .................. 109
Storing settings (memory func-
tion) ............................................... 113
Steering wheel heating
Problem (malfunction) ................... 109
Switching on/off ........................... 109
Steering wheel paddle shifters ........ 152
Stopwatch (RACETIMER) ................... 246
Stowage areas ................................... 300
Stowage compartments
Armrest (under) ............................. 301
Center console .............................. 302
Center console (rear) ..................... 302
Cup holders ................................... 308
Eyeglasses compartment ............... 302
Glove box ....................................... 301
Important safety information ......... 300
Stowage net ................................... 302
Stowage net ....................................... 302
Summer tires
In winter ........................................ 356
Sun visor ............................................ 310
Suspension setting
AIRMATIC ...................................... 188
AMG adaptive sport suspension
system ........................................... 191
Suspension tuning
SETUP (on-board computer,
Mercedes-AMG vehicles) ............... 24620
Index

Kickdown Use kickdown for maximum acceleration .X
Depress th e accelerato r pedal beyon d th e
pressur e point.
The automatic transmission shift s to a lower
gear depending on th e engin e speed.X
Eas e off th e accelerato r pedal once th e
desire d speed is reached.
The automatic transmission shift s bac k up.
Rocking the vehicle free Shifting bac k and forth between transmission
position s [ and ^ can help to free up th e
vehicl e if it get s stuck in mud or snow. The vehi-
cle's engin e managemen t system limits th e
speed to a maximum of 5 mph (9 km/h) when
shifting bac k and forth . To shift repeatedly
between transmission position s [ and ^ ,
mov e th e DIRECT SELECT lever up and down
past th e poin t of resistance.
Towing a trailer X
Drive in th e middle of th e engin e spee d range
on uphil l gradients .X
Dependin g on th e uphil l or downhill gradient,
use th e left-han d steering whee l paddl e
shifter ( Y
page 152) to select a lower gear ,
eve n if cruise control or Distanc e Pilo t
DISTRONI C are activated.
Drive programs
Slippery drive program The Slipper y drive progra m has th e followin g
characteristics :R
reduce d engin e and transmission setting s for
optimum propulsion on slipper y or snow-cov-
ere d roads.R
optimized ES P ®
stabilit y control on slipper y or
snow-covered roads. R
th e vehicl e has improved drivin g stabilit y on
slipper y or snow-covered roads, for example. Comfort drive program The Comfor t drive progra m has th e followin g
characteristics : R
comfort-oriented engin e and transmission
settings. R
optimal fuel consumption resulting from th e
automatic transmission shifting up sooner. R
th e vehicl e pullin g away mor e gentl y in
forward and revers e gears, unless th e accel-
erator pedal is depressed fully. R
th e automatic transmission shifting up
sooner. This result s in th e vehicl e bein g driven
at lower engin e speeds and th e wheels bein g
less likely to spin .
Sp ort drive program The Sport drive progra m has th e followin g char-
acteristics : R
sport y engin e and transmission settings. R
th e automatic transmission shifting up later.
th e fuel consumption possibl y bein g higher as
a result of th e later automatic transmission
shift points . R
th e suspension exhibits sport y damping (vehi-
cle s wit h AIRMATIC) .
Drive program Sp ort Plus (Mercedes-
AMG vehicles) The Sport Plu s drive progra m has th e followin g
characteristics : R
th e vehicl e exhibits particularly sport y drivin g
characteristics . R
th e vehicl e pullin g away in first gear .R
th e automatic transmission shifting up later.
th e fuel consumption possibl y bein g higher as
a result of th e later automatic transmission
shift points . R
th e suspension exhibits particularly fir m
springing and damping setting s (vehicles wit h
AIRMATIC) . R
th e ECO start/sto p function is deactivated, it
can , however , be activated again usin g th e
ECO butto n ( Y
page 145).Automatic transmission 15 1
Driving an d parking Z

This helps you to avoid overheating the
brakes and wearing them out excessively.
When you take advantage of engine braking, a
drive wheel may not turn for some time, e.g.
on a slippery road surface. This could cause
damage to the drive train. This type of damage
is not covered by the Mercedes-Benz war-
ranty.
Do not depress the brake pedal continuously
while the vehicle is in motion, e.g. causing the
brakes to rub by constantly applying light pres-
sure to the pedal. This results in excessive and
premature wear to the brake pads.
Use the left-hand steering wheel paddle shifter
to shift into a lower gear in good time on long
and steep downhill gradients. This is especially
important if the vehicle is laden.
This also applies if you have activated cruise
control, the speed limiter or Distance Pilot
DISTRONIC.
This will use the braking effect of the engine, so
that less braking will be required to maintain the
speed. This relieves the load on the brake sys-
tem and prevents the brakes from overheating
and wearing too quickly.
Heavy and light loads
G WARNING
If you rest your foot on the brake pedal while
driving, the braking system can overheat. This
increases the stopping distance and can even
cause the braking system to fail. There is a
risk of an accident.
Never use the brake pedal as a footrest. Never
depress the brake pedal and the accelerator
pedal at the same time.
! Depressing the brake pedal constantly
results in excessive and premature wear to
the brake pads.
If the brakes have been subjected to a heavy
load, do not stop the vehicle immediately. Drive
on for a short while. This allows the airflow to
cool the brakes more quickly.
Wet roads
If you have driven for a long time in heavy rain
without braking, there may be a delayed reac-
tion from the brakes when braking for the first time. This may also occur after the vehicle has
been washed or driven through deep water.
You then have to depress the brake pedal more
firmly. Maintain a greater distance from the
vehicle in front.
After driving on a wet road or having the vehicle
washed, brake firmly while paying attention to
the traffic conditions. This will warm up the
brake discs, thereby drying them more quickly
and protecting them against corrosion.
Limited braking performance on salt-
treated roads If you drive on salted roads, a layer of salt resi-
due may form on the brake discs and brake
pads. This can result in a significantly longer
braking distance. R
Brake occasionally to remove any possible
salt residue. Make sure that you do not
endanger other road users when doing so. R
Carefully depress the brake pedal and the
beginning and end of a journey. R
Maintain a greater distance to the vehicle
ahead.
Servicing the brakes
! The brake fluid level may be too low, if: R
if the red brake warning lamp lights up in
the instrument cluster and R
you hear a warning tone while the engine is
running
Observe additional warning messages in the
multifunction display.
The brake fluid level may be too low due to
brake pad wear or leaking brake lines.
Have the brake system checked immediately.
Consult a qualified specialist workshop to
arrange this.
! A function or performance test should only
be carried out on a 2-axle dynamometer. If
you wish to operate the vehicle on such a
dynamometer, please consult a qualified spe-
cialist workshop in advance. You could oth-
erwise damage the drive train or the brake
system.
! Because ESP ®
is an automatic system, the
engine and ignition must be switched off
(SmartKey in position 0 or 1 or Start/Stop
button in position 0 or 1 ) when the electricDriving tips 167
Driving and parking Z

Off-road fording
! Under no circumstances should you accel-
erate before entering the water. The bow
wave could cause water to enter and damage
the engine and other assemblies.
! Do not open any of the vehicle's doors while
fording. Otherwise, water could get into the
vehicle interior and damage the vehicle's
electronics and interior equipment. R
Establish how deep the water is and the char-
acteristics of the body of water before ford-
ing. R
Select the highest possible vehicle level. R
Shift to a lower gear using the left-hand steer-
ing wheel paddle shifter. R
Avoid high engine speeds. R
Enter and exit the water at a flat place and at
a steady walking pace. R
Drive slowly and at an even speed through the
water. R
Ensure that a bow wave does not form as you
drive. R
Do not stop and do not switch off the engine.
Water offers a high degree of resistance, and
the ground is slippery and in some cases
unstable. Therefore, it is difficult and danger-
ous to pull away in the water. R
Clean any mud from the tire tread after ford-
ing. R
Apply the brakes to dry them after fording.
Always observe the fording depth values
( Y
page 393).
Winter driving
G WARNING
If you shift down on a slippery road surface in
an attempt to increase the engine's braking
effect, the drive wheels could lose their grip.
There is an increased danger of skidding and
accidents.
Do not shift down for additional engine brak-
ing on a slippery road surface.
G DANGER
If the exhaust pipe is blocked or adequate
ventilation is not possible, poisonous gases such as carbon monoxide (CO) may enter the
vehicle. This is the case, e.g. if the vehicle
becomes trapped in snow. There is a risk of
fatal injury.
If you leave the engine or the auxiliary heating
running, make sure the exhaust pipe and area
around the vehicle are clear of snow. To
ensure an adequate supply of fresh air, open a
window on the side of the vehicle that is not
facing into the wind.
! When scraping ice off the rear window, take
care not to damage the rear-window seal or
trim.
Have your vehicle winter-proofed at a qualified
specialist workshop at the onset of winter.
Drive particularly carefully on slippery road sur-
faces. Avoid sudden acceleration, steering and
braking maneuvers. Do not use cruise control or
Distance Pilot DISTRONIC.
If the vehicle threatens to skid or cannot be
stopped when moving at low speed: X
Shift the transmission to position \\ .X
Try to bring the vehicle under control using
corrective steering.
When driving in snow with or without snow
chains, select driving program Slippery
( Y
page 147).
i Vehicles with a diesel engine: do not
cover the radiator, e.g. with a protective
cover. The measuring function of the on-
board diagnosis system may otherwise pro-
vide inaccurate values. Some of these values
are required by law and must therefore always
be accurate.
The outside temperature indicator is not
designed to serve as an ice-warning device and
is therefore unsuitable for that purpose.
Changes in the outside temperature are dis-
played after a short delay.
Indicated temperatures just above the freezing
point do not guarantee that the road surface is
free of ice. The road may still be icy, especially in
wooded areas or on bridges. You should pay
special attention to road conditions when tem-
peratures are around the freezing point.
For more information on driving with snow
chains, see ( Y
page 356).Driving tips 169
Driving and parking Z

Hilltops When driving up an uphill gradient, slightly
reduce pressure on the accelerator immediately
before reaching the brow of the hill. Make use of
the vehicle's own impetus to travel over the
brow.
This style of driving prevents: R
the vehicle from lifting off the ground on the
brow of a hill R
the vehicle from traveling too quickly down
the other side
Driving downhill R
Drive slowly. R
Do not drive at an angle down steep inclines.
Steer into the line of fall and drive with the
front wheels aligned straight. Otherwise, the
vehicle could slip sideways, tip and rollover. R
Shift to a lower gear using the left-hand pad-
dle shifter before tackling steep downhill gra-
dients. R
Activate DSR. If this is not sufficient, brake
gently. When doing so, make sure that the
vehicle is facing in the direction of the line of
fall. R
Check that the brakes are working normally
after a long downhill stretch.
i The special off-road ABS setting enables a
precise, brief and repeated locking of the
front wheels. This causes them to dig into
loose earth. Be aware that the front wheels
easily skid across the ground surface if com-
pletely braked and therefore lose their ability
to steer.
Driving systems
Intelligent Drive Mercedes-Benz Intelligent Drive stands for inno-
vative driver assistance and safety systems
which enhance comfort and support the driver in
critical situations. With these intelligent co-ordi-
nated systems Mercedes-Benz has set a mile-
stone on the path towards autonomous driving.
Mercedes-Benz Intelligent Drive embraces all
elements of active and passive safety in one well
thought out system – for the safety of the vehi-
cle occupants and that of other road users. Further information on driving safety systems
( Y
page 66).
Cruise control
General notes Cruise control maintains a constant road speed
for you. It brakes automatically in order to avoid
exceeding the set speed. You must select a
lower gear in good time on long and steep down-
hill gradients, especially if the vehicle is laden or
towing a trailer. By doing so, you will make use of
the braking effect of the engine. This relieves the
load on the brake system and prevents the
brakes from overheating and wearing too
quickly.
Use cruise control only if road and traffic con-
ditions make it appropriate to maintain a steady
speed for a prolonged period. You can store any
road speed above 20 mph (30 km/h).
i Cruise control should not be activated when
driving off-road.
Important safety notes If you fail to adapt your driving style, cruise con-
trol can neither reduce the risk of an accident
nor override the laws of physics. Cruise control
cannot take into account the road, traffic and
weather conditions. Cruise control is only an
aid. You are responsible for the distance to the
vehicle in front, for vehicle speed, for braking in
good time and for staying in your lane.
Do not use cruise control: R
in road and traffic conditions which do not
allow you to maintain a constant speed, e.g. in
heavy traffic or on winding roads R
on slippery road surfaces. Braking or accel-
erating could cause the drive wheels to lose
traction and the vehicle could then skid R
when there is poor visibility, e.g. due to fog,
heavy rain or snow
If there is a change of drivers, advise the new
driver of the speed stored.174
Driving systems
Driving and parking