2019 MERCEDES-BENZ GLE SUV brake fluid

Engaging park position automati-
cally ............................................... 144
Engaging reverse gear ................... 144
Engaging the park position ............ 144
Important safety note s.................. 143
Kickdown ....................................... 146
Manual shifting .............................. 147
Oil temperature (on-board com-
puter, Mercedes-AMG vehicles) ..... 241
Overview ........................................ 143
Problem (malfunction) ................... 150
Pulling away ................................... 138
Starting the engine ........................ 137
Steering wheel paddle shifters ...... 147
Trailer towing ................................. 146
Transmission position display ........ 145
Transmission positions .................. 145
Automatic transmission emer-
gency mode ....................................... 150
AUX jacks
CD/DVD drive ............................... 294
Axle load, permissible (trailer tow-
ing) ...................................................... 394 B
Back button ....................................... 288
Bag hook ............................................ 300
Ball coupling
Installing ........................................ 222
Removing ....................................... 225
BAS (Brake Assist System) ................. 67
Battery (SmartKey)
Checking .......................................... 80
Important safety notes .................... 80
Replacing ......................................... 80
Battery (vehicle)
Charging ........................................ 342
Display message ............................ 258
Important safety notes .................. 340
Jump starting ................................. 343
Overview ........................................ 340
Replacing ....................................... 343
Belt
see Seat belts
Belt warning ......................................... 48
Bicycle rack ....................................... 226 Blind Spot Assist
Activating/deactivating ................. 238
Display message ............................ 265
Notes/function .............................. 206
Trailer towing ................................. 207
see Active Blind Spot Assist
BlueTEC
Adding DEF .................................... 153
BlueTEC (DEF) .................................... 386
Bluetooth ®
Searching for a mobile phone ........ 291
Searching for a mobile phone
(device manager) ........................... 292
see also Digital Operator's Man-
ual .................................................. 287
Telephony ...................................... 291
Brake Assist
see BAS (Brake Assist System)
Brake fluid
Display message ............................ 250
Notes ............................................. 388
Brake force distribution
see EBD (electronic brake force
distribution)
Brake lamps
Display message ............................ 256
Brake linings
Display message ............................ 250
Brakes
ABS .................................................. 66
BAS .................................................. 67
Brake fluid (notes) ......................... 388
Braking assistance appropriate to
the situation ..................................... 69
Display message ............................ 245
High-performance brake system .... 163
Hill start assist ............................... 139
Important safety notes .................. 161
Maintenance .................................. 162
Parking brake ................................ 157
Riding tips ...................................... 161
Warning lamp ................................. 276
Braking assistance appropriate to
the situation
Function/note s................................ 69
Breakdown assistance
Where will I find...? ........................ 334
see Flat tire 6
Index

Route guidance active
...................... 234S
Safety Children in the vehicle ..................... 59
see Occupant safety
see Operating safety
Safety system
see Driving safety systems
SD card
Inserting ........................................ 293
Inserting/removing ........................ 293
Removing ....................................... 293
SD memory card
see also Digital Operator's Man-
ual .................................................. 287
Selecting ........................................ 235
Search & Send
see also Digital Operator's Man-
ual .................................................. 287
Seat
Correct driver's seat position ........... 97
Seat belts
Adjusting the driver's and front-
passenger seat bel t......................... 48
Adjusting the height ......................... 48
Cleaning ......................................... 333
Correct usage .................................. 47
Fastening ......................................... 48
Important safety guidelines ............. 46
Introduction ..................................... 45
Releasing ......................................... 48
Switching belt adjustment on/off
(on-board computer) ...................... 240
Warning lamp ................................. 274
Warning lamp (function) ................... 48
Seats
Adjusting (electrically) ..................... 98
Adjusting the 4-way lumbar sup-
port ................................................ 101
Adjusting the head restraint ............ 99
Calling up a stored setting (mem-
ory function) .................................. 109
Cleaning the cover ......................... 333
Folding the rear bench seat for-
wards/back ................................... 298
Important safety notes .................... 97 Overview .......................................... 97
Seat heating problem .................... 103
Seat ventilation problem ................ 103
Storing settings (memory func-
tion) ............................................... 108
Switching seat heating on/of
f....... 101
Switching seat ventilation on/of f.. 102
Section
Sliding sunroof ................................. 92
Securing hooks .................................. 300
Selector lever
Cleaning ......................................... 332
Sensors (cleaning instructions) ....... 330
Service menu (on-board com-
puter) .................................................. 238
Service message
see ASSYST PLUS
Service products
Brake fluid ..................................... 388
Coolant (engine) ............................ 388
DEF special additives ..................... 386
Engine oil ....................................... 387
Fuel ................................................ 384
Important safety notes .................. 383
Refrigerant (air-conditioning sys-
tem) ............................................... 389
Washer fluid ................................... 389
Setting the air distribution ............... 129
Setting the airflow ............................ 129
Setting the date/time format
see also Digital Operator's Man-
ual .................................................. 287
Setting the language
see also Digital Operator's Man-
ual .................................................. 287
Setting the time
see also Digital Operator's Man-
ual .................................................. 287
Settings
Factory (on-board computer) ......... 241
On-board compute r....................... 239
SETUP (on-board computer,
Mercedes-AMG vehicles) .................. 242
Side impact air bag ............................. 51
Side marker lamp (display mes-
sage) ................................................... 256 Index
19

Data acquisition ............................... 32
Display message ............................ 270
Equipment ....................................... 28
Individual settings .......................... 239
Limited Warranty ............................. 32
Loading .......................................... 361
Locking (in an emergency) ............... 84
Locking (SmartKey) .......................... 77
Lowering ........................................ 375
Maintenance .................................... 29
Operating safety .............................. 30
Parking .......................................... 156
Parking for a long period ................ 159
Pulling away ................................... 138
Raising ........................................... 373
Reporting problems ........................ .31
Securing from rolling away ............ 372
Towing away .................................. 345
Transporting .................................. 348
Unlocking (in an emergency) ........... 84
Unlocking (SmartKey) ...................... 77
Vehicle data ................................... 390
Vehicle battery
see Battery (vehicle)
Vehicle data ....................................... 390
Vehicle data (off-road driving)
Approach/departure angle ............ 393
Fording depth ................................ 392
Maximum gradient climbing abil-
ity .................................................. 393
Vehicle dimensions ........................... 390
Vehicle emergency locking ................ 84
Vehicle identification number
see VIN
Vehicle identification plate .............. 382
Vehicle level
AIRMATIC ...................................... 185
Vehicle level (display message) ....... 261
Vehicle tool kit .................................. 335
Video
Operating the DVD ......................... 235
see also Digital Operator's Man-
ual .................................................. 287
VIN ...................................................... 382
Seat ............................................... 383
Type plate ...................................... 382 W
Warning and indicator lamps ABS ................................................ 277
Brake s........................................... 276
Coolant .......................................... 283
Distance warning ........................... 285
Engine diagnostics ......................... 283
ESP ®
.............................................. 279
ESP ®
OFF ....................................... 280
Fuel tank ........................................ 283
Overview .......................................... 37
Parking brake ................................ 282
PASSENGER AIR BAG ...................... 45
Reserve fuel ................................... 283
Restraint system ............................ 282
Seat belt ........................................ 274
Tire pressure monitor .................... 286
Warranty .............................................. 28
Washer fluid
Display message ............................ 272
Weather display (COMAND)
see also Digital Operator's Man-
ual .................................................. 287
Wheel and tire combinations
Tires ............................................... 376
Wheel bolt tightening torque ........... 375
Wheel chock ...................................... 372
Wheels
Changing a whee l.......................... 371
Checking ........................................ 351
Cleaning ......................................... 329
Emergency spare wheel ................. 376
Important safety notes .................. 351
Information on driving .................... 351
Interchanging/changing ................ 371
Mounting a new wheel ................... 374
Mounting a wheel .......................... 372
Overview ........................................ 351
Removing a whee l.......................... 374
Snow chains .................................. 353
Storing ........................................... 372
Tightening torque ........................... 375
Wheel size/tire size ....................... 376
Window curtain air bag
Display message ............................ 253
Operation ......................................... 51 24
Index

If the wiper blades are worn, the windshield will
no longer be wiped properly. This could preventyou from observing the traffic conditions. Switching the rear window wipers
on/off
Combination switch
0043
00C5 Rear window wiper switch
0048 008E Wipes with washer fluid
0049 ISwitches on intermittent wiping
004A 0Switches off intermittent wiping
004B 008E Wipes with washer fluid
X Turn the SmartKey to position 0047or0048
(Y page 135).
X Turn switch 0043on the combination switch to
the corresponding position.
When the rear window wiper is switched on,
the 00C5 symbol appears in the assistance
graphic in the instrument cluster. Further
information on the assistance graphic
(Y page 237). Replacing the wiper blades
Important safety notes G
WARNING
If the windshield wipers begin to move while
you are changing the wiper blades, you could be trapped by the wiper arm. There is a risk of
injury.
Always switch off the windshield wipers and
ignition before changing the wiper blades. !
To avoid damaging the wiper blades, make
sure that you touch only the wiper arm of the
wiper.
! Never open the hood/tailgate if a wiper arm
has been folded away from the windshield/
rear window.
Never fold a windshield wiper arm without a
wiper blade back onto the windshield/rear
window.
Hold the windshield wiper arm firmly when
you change the wiper blade. If you release the
wiper arm without a wiper blade and it falls
onto the windshield/rear window, the wind-
shield/rear window may be damaged by the
force of the impact.
Mercedes-Benz recommends that you have
the wiper blades changed at a qualified spe-
cialist workshop.
Changing the windshield wiper blades Moving the wiper arms to a vertical posi-
tion
On vehicles without KEYLESS-GO:
X Turn the SmartKey to position 0092in the igni-
tion lock (Y page 135).
X Set the windshield wiper to position 00AAon
the combination switch.
X Turn the SmartKey to position 0047in the igni-
tion lock (Y page 135).
X As soon as the wiper arms are vertical to the
hood, turn the SmartKey to position 0092in the
ignition lock (Y page 135).
X Remove the SmartKey.
X Fold the wiper arms away from the windshield
until you feel them snap into place.
On vehicles with KEYLESS-GO:
X Switch off the engine.
X Remove your foot from the brake pedal.
X Set the windshield wiper to the 00AAposition.
X Press the Start/Stop button repeatedly until
the windshield wiper starts.
X When the wiper arms are vertical to the hood,
press the Start/Stop button repeatedly until
the windshield wiper stops.
X Fold the wiper arms away from the windshield
until you feel them snap into place. 118
Windshield wipersLights and windshield wipers

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 limiter or Active Distance Assist
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 0or 1or Start/Stop
button in position 0or 1) when the electric 162
Driving tipsDriving and parking

parking brake is being tested on a brake dyna-
mometer (maximum 10 seconds).
Braking triggered automatically by ESP ®
may
seriously damage the brake system.
All checks and maintenance work on the brake
system must be carried out at a qualified spe-
cialist workshop.
Have brake pads installed and brake fluid
replaced at a qualified specialist workshop.
If the brake system has only been subject to
moderate loads, you should test the functional-
ity of your brakes at regular intervals. To do so,
depress the brake pedal firmly when driving at a high speed. This improves the grip of the brake
pads.
You can find a description of Brake Assist (BAS)
on (Y page 67) or of BAS PLUS on (Y page 72).
Mercedes-Benz recommends that you only have
brake pads/linings installed on your vehicle
which have been approved for Mercedes-Benz
vehicles or which correspond to an equivalent
quality standard. Brake pads/linings which have not been approved for Mercedes-Benz vehicles
or which are not of an equivalent quality could
affect your vehicle's operating safety.
Mercedes-Benz recommends that you only use
brake fluid that has been specially approved for your vehicle by Mercedes-Benz, or which corre-
sponds to an equivalent quality standard. Brake fluid which has not been approved for
Mercedes-Benz vehicles or which is not of an
equivalent quality could affect your vehicle's
operating safety.
High-performance brake system
(Mercedes-AMG vehicles) The high-performance brake system is designed
for heavy loads. This may lead to noise when
braking. This will depend on:
R Speed
R Braking force
R Environmental conditions, such as tempera-
ture and humidity
The wear of individual components of the brake system, such as the brake pads/linings or brake discs, depends on the individual driving style
and operating conditions.
For this reason, it is impossible to state a mile-
age that will be valid under all circumstances. An
aggressive driving style will lead to high wear. You can obtain further information about this
from your authorized Mercedes-Benz Center.
New and replaced brake pads and discs only
reach their optimum braking effect after several
hundred kilometers of driving. Compensate for
this by applying greater force to the brake pedal. Keep this in mind, and adapt your driving and
braking accordingly during this break-in period.
Excessive heavy braking results in correspond-
ingly high brake wear. Observe the 0026brake
wear warning lamp in the instrument cluster and
note any brake status messages in the multi-
function display. Especially for high perform-
ance driving, it is important to maintain and have
the brake system checked regularly. Driving on wet roads
Hydroplaning If water has accumulated to a certain depth on
the road surface, there is a danger of hydro-
planing occurring, even if:
R you drive at low speeds
R the tires have adequate tread depth
For this reason, in the event of heavy rain or in
conditions in which hydroplaning may occur,
you must drive in the following manner:
R lower your speed
R avoid ruts
R avoid sudden steering movements
R brake carefully
Driving on flooded roads !
Do not drive through flooded areas. Check
the depth of any water before driving through
it. Drive slowly through standing water. Oth-
erwise, water could enter the vehicle interior
or engine compartment. It can then damage
the engine's or automatic transmission's
electronic components. It can also be sucked
in by the engine's air intake connection and
cause engine damage.
i Vehicles with the AIRMATIC Package:
select the raised vehicle level before driving
through a body of water. Driving tips
163Driving and parking Z

Display messages
Possible causes/consequences and
0050
0050Solutions The yellow
0024warning lamp lights up and the red 0049(USA only)
or 0024 (Canada only) indicator lamp flashes.
It is not possible to apply the electric parking brake manually.
X Shift the transmission to position 005D.
X Visit a qualified specialist workshop. 0027
(USA only)
004D (Canada only)
Check Brake Fluid
Check Brake Fluid
Level
Level There is not enough brake fluid in the brake fluid reservoir. In addition,
the 0027 (USA only) or 004D(Canada only) warning lamp lights up in
the instrument cluster and a warning tone sounds.
G WARNING
The braking effect may be impaired.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 156).
X Consult a qualified specialist workshop.
X Do not add brake fluid. This does not correct the malfunction. 0026
Check Check
Brake
Brake Pad
PadWear
Wear The brake pads/linings have reached their wear limit.
USA only: the red
0027brake system warning lamp is lit while the
engine is running.
X Visit a qualified specialist workshop. 0053
Inoperative Inoperative One or more main features of the mbrace system are malfunctioning.
X Visit a qualified specialist workshop. Active
Active
Brake
Brake Assist
Assist
Functions
Functions Currently
Currently
Limited See Opera‐
Limited See Opera‐
tor's Manual tor's Manual Active Brake Assist with cross-traffic function is temporarily inopera-
tive.
Possible causes are:
R the radar sensor system is temporarily inoperative, e.g. due to elec-
tromagnetic radiation emitted by nearby TV or radio stations or
other sources of electromagnetic radiation
R the system is outside the operating temperature range
R the on-board voltage is too low
When the causes stated above no longer apply, the display message
disappears.
Active Brake Assist with cross-traffic function or PRE ‑SAFE®
PLUS is
functional again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 156).
X Restart the engine. 250
Display
messagesOn-board computer and displays

Safety systems
Warning/
indicator
lamp
0051 0051
Signal type
Possible causes/consequences and 0050
0050Solutions 004D0027
0051
0027 (USA only), 004D(Canada only): the red brake system warning lamp is lit
while the engine is running.
A warning tone also sounds.
G WARNING
The brake boosting effect is malfunctioning and the braking characteristics may be
affected.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying attention to road
and traffic conditions. Do not continue driving under any circumstances.
X Secure the vehicle against rolling away (Y page 156).
X Consult a qualified specialist workshop.
X Observe the additional display messages in the multifunction display. 004D0027
0051
0027 (USA only), 004D(Canada only): the red brake system warning lamp is lit
while the engine is running.
A warning tone also sounds.
G WARNING
There is not enough brake fluid in the brake fluid reservoir.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying attention to road
and traffic conditions. Do not continue driving under any circumstances.
X Secure the vehicle against rolling away (Y page 156).
X Do not add brake fluid. Adding more will not correct the malfunction.
X Consult a qualified specialist workshop.
X Observe the additional display messages in the multifunction display. 0027
0051
USA only: the red brake system warning lamp is lit while the engine is running.
The multifunction display also shows a display message with the 0026symbol.
The brake pads/linings have reached their wear limit.
X Visit a qualified specialist workshop. 276
Warning and indicator lamps in the instrument clusterOn-board computer and displays