2019 MERCEDES-BENZ GLE SUV battery

KEYLESS-GO start function
General notes Bear in mind that the engine can be started by
any of the vehicle occupants if there is a Smart-
Key in the vehicle (Y page 137). Changing the settings of the locking
system
You can change the settings of the locking sys-
tem. This means that only the driver's door and
the fuel filler flap are unlocked when the vehicle is unlocked. This is useful if you frequently travelalone.
X To change the setting: press and hold down
the 0036 and0037 buttons simultaneously
for about six seconds until the battery indica-
tor lamp flashes twice (Y page 80).
If the setting of the locking system is changed
within the signal range of the vehicle, pressing
the 0037 or0036 button:
R locks or
R unlocks the vehicle
The SmartKey now functions as follows:
X To unlock: press the0036button once.
X To unlock centrally: press the0036button
twice.
X To lock centrally: press the0037button.
The KEYLESS-GO function is changed as fol-
lows:
X To unlock the driver's door: touch the inner
surface of the door handle on the driver's
door.
X To unlock centrally: touch the inner surface
of the door handle on the front-passenger
door or the rear door.
X To lock centrally: touch the outer sensor
surface on one of the door handles
(Y page 78).
X To restore the factory settings: press and
hold down the 0036and0037 buttons simul-
taneously for approximately six seconds until
the battery check lamp flashes twice
(Y page 80). Mechanical key
General notes If the vehicle can no longer be locked or
unlocked with the SmartKey or with KEYLESS-
GO, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm sys-
tem will be triggered. Switch off the alarm
(Y page 75).
If you unlock the vehicle using the mechanical
key, the fuel filler flap will not be unlocked auto-
matically.
X To unlock the fuel filler flap: insert the
SmartKey into the ignition lock.
Removing the mechanical key X
Push release catch 0043in the direction of the
arrow and at the same time remove mechan- ical key 0044from the SmartKey.
For further information about:
R Unlocking the driver's door (Y page 84)
R Unlocking the cargo compartment
(Y page 88)
R Locking the vehicle (Y page 84)
Inserting the mechanical key X
Push mechanical key 0044completely into the
SmartKey until it engages and release
catch 0043is back in its basic position. SmartKey
79Opening and closing Z

SmartKey battery
Important safety notes G
WARNING
Batteries contain toxic and corrosive substan- ces. If batteries are swallowed, it can result in
severe health problems. There is a risk of fatal injury.
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention immediately. H
Environmental note Batteries contain dangerous
substances. It is against the
law to dispose of them with
the household rubbish. They
must be collected separately
and recycled to protect the
environment. Dispose of batteries in an
environmentally friendly
manner. Take discharged
batteries to a qualified spe-
cialist workshop or a special
collection point for used bat-
teries.
The SmartKey batteries contain perchlorate
material, which may require special handling
and regard for the environment. National guide-
lines must be observed during disposal. In Cal-
ifornia, see www.dtsc.ca.gov/
HazardousWaste/Perchlorate/index.cfm.
Mercedes-Benz recommends that you have the
batteries replaced at a qualified specialist work- shop. Checking the battery X
Press the 0037or0036 button.
The battery is working properly if battery
check lamp 0043lights up briefly.
The battery is discharged if battery check
lamp 0043does not light up briefly.
X Change the battery (Y page 80).
If the SmartKey battery is checked within the
signal reception range of the vehicle, pressing
the 0037 or0036 button:
R locks or
R unlocks the vehicle
i You can get a battery at any qualified spe-
cialist workshop.
Replacing the battery You require a CR 2025 3 V cell battery.
X Take the mechanical key out of the SmartKey
(Y page 79). X
Press mechanical key 0044into the SmartKey
opening in the direction of the arrow until bat- tery compartment cover 0043opens. Do not
hold battery compartment cover 0043closed
while doing so.
X Remove battery compartment cover 0043.80
SmartKeyOpening and closing

X
Repeatedly tap the SmartKey against your
palm until battery 0087falls out.
X Insert the new battery with the positive ter-
minal facing upwards. Use a lint-free cloth to do so.
X Make sure that the surface of the battery is
free of lint, grease and other contaminants. X
Insert the front tabs of battery compartment
cover 0043into the housing first and then press
to close it.
X Insert mechanical key 0044into the SmartKey
(Y page 79).
X Check the function of all SmartKey buttons on
the vehicle. Problems with the SmartKey
Problem
Possible causes/consequences and
0050 0050Solutions You can no longer lock or
unlock the vehicle using
the SmartKey. The SmartKey battery is discharged or nearly discharged.
X Check the SmartKey battery (Y page 80) and replace it if necessary
(Y page 80).
If this does not work: X Unlock (Y page 84) or lock (Y page 84) the vehicle using the
mechanical key. There is interference from a powerful source of radio waves.
X Unlock (Y page 84) or lock (Y page 84) the vehicle using the
mechanical key. The SmartKey is faulty.
X Unlock (Y page 84) or lock (Y page 84) the vehicle using the
mechanical key.
X Have the SmartKey checked at a qualified specialist workshop. You can no longer lock or
unlock the vehicle using
KEYLESS-GO. KEYLESS-GO was deactivated.
X Reactivate KEYLESS-GO (Y page 78). The SmartKey battery is discharged or nearly discharged.
X Check the SmartKey battery (Y page 80) and replace it if necessary
(Y page 80).
If this does not work: X Unlock (Y page 84) or lock (Y page 84) the vehicle using the
mechanical key. SmartKey
81Opening and closing Z

Problem
Possible causes/consequences and
0050
0050Solutions There is interference from a powerful source of radio waves.
X Unlock (Y page 84) or lock (Y page 84) the vehicle using the
mechanical key. KEYLESS-GO is malfunctioning.
X Lock/unlock the vehicle using the remote control function of the
SmartKey.
X Have the vehicle and SmartKey checked at a qualified specialist
workshop.
If the vehicle can also not be locked/unlocked using the remote con-
trol function:
X Unlock (Y page 84) or lock (Y page 84) the vehicle using the
mechanical key.
X Have the vehicle and SmartKey checked at a qualified specialist
workshop. The engine cannot be
started using the Smart-
Key. The on-board voltage is too low.
X Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary (Y page 342).
or X Jump-start the vehicle (Y page 343).
or X Consult a qualified specialist workshop. The engine cannot be
started using the Start/
Stop button. The Smart-
Key is in the vehicle. The vehicle is locked.
X Unlock the vehicle and try to start the vehicle again. The SmartKey battery is discharged or nearly discharged.
X Check the SmartKey battery (Y page 80) and replace it if necessary
(Y page 80).
If this does not work: X Start your vehicle with the SmartKey in the ignition lock. There is interference from a powerful source of radio waves.
X Start your vehicle with the SmartKey in the ignition lock. You have lost a Smart-
Key. X
Have the SmartKey deactivated at a qualified specialist workshop.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. You have lost the
mechanical key. X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. 82
SmartKeyOpening and closing

Problem
Possible causes/consequences and
0050
0050Solutions A side window cannot be
closed because it is
blocked by objects, e.g.
leaves in the window
guide. X
Remove the objects.
X Close the side window. A side window cannot be
closed and you cannot
see the cause. If a side window is obstructed during closing and reopens again
slightly:
X Immediately after the window blocks, pull the corresponding switch
again until the side window has closed.
The side window is closed with increased force.
If a side window is obstructed again during closing and reopens again slightly:
X Immediately after the window blocks, pull the corresponding switch
again until the side window has closed.
The side window is closed without the automatic reversing feature. The side windows cannot
be opened or closed with
convenience opening. The SmartKey battery is discharged or nearly discharged.
X Check the SmartKey battery (Y page 80) and replace it if necessary
(Y page 80). If a side window will still not open or close due to a malfunction, consult a qualified specialist
workshop. Sliding sunroof
Important safety notes
Your vehicle may be equipped with a sliding
sunroof or a panorama roof with power tilt/slid- ing panel. In the following section, the term
"sliding sunroof" refers to both sliding sunroof
variants. G
WARNING
While opening and closing the sliding sunroof, body parts in close proximity could become
trapped. There is a risk of injury.
Make sure that no body parts are in close
proximity during the opening and closing pro- cedures.
If somebody becomes trapped:
R release the switch immediately, or
R during automatic operation, push the
switch briefly in any direction
The opening or closing procedure will be stop- ped. G
WARNING
If children operate the sliding sunroof they
could become trapped, particularly if they are left unsupervised. There is a risk of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
! Only open the sliding sunroof if it is free of
snow and ice. Otherwise, malfunctions may
occur.
Do not allow anything to protrude from the
sliding sunroof. Otherwise, the seals could be
damaged.
! The weather can change abruptly. It could
start to rain or snow. Make sure that the slid- ing sunroof is closed when you leave the vehi-cle. The vehicle electronics can be damaged ifwater enters the vehicle interior.
Resonance noises can occur in addition to the
usual airflow noises when the sliding sunroof is
open. They are caused by minor pressure fluc-
tuations in the vehicle interior. Change the posi- 92
Sliding sunroofOpening and closing

0043
Rear seats
The three red indicator lamps in the button indicate the heating level you have selected.
The system automatically switches down from level 3to level 2after approximately eight minutes.
The system automatically switches down from level 2to level 1after approximately ten minutes.
The system automatically switches off approximately 35 minutes after it is set to level 1.
X Turn the SmartKey to position 0047or0048 in the ignition lock (Y page 135).
X To switch on: press button0043repeatedly until the desired heating level is set.
X To switch off: press button0043repeatedly until all the indicator lamps go out.
i If the battery voltage is too low, the seat heating may switch off.
Activating/deactivating seat ventilation The three blue indicator lamps in the buttons indicate the blower setting you have selected.
X Turn the SmartKey to position 0047or0048 in the ignition lock (Y page 135).
X To switch on: press button0043repeatedly until the desired blower setting is set.
X To switch off: press button0043repeatedly until all the indicator lamps go out.
i If the battery voltage is too low, the seat ventilation may switch off.
i You can open the side windows and the sliding sunroof using the "Convenience opening" feature
(Y page 89). The seat ventilation of the driver's seat automatically switches to the highest level. 102
SeatsSeats
, steering wheel and mirrors

Problems with the seat heating or seat ventilation
Problem
Possible causes/consequences and
0050
0050Solutions The seat heating or seat
ventilation has switched
off prematurely or can-
not be switched on. The on-board voltage is too low because too many electrical consum-
ers are switched on.
X Switch off electrical consumers that you do not need, such as the
rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat heating or seat
ventilation will switch back on automatically. Steering wheel
Important safety notes
G
WARNING
You could lose control of your vehicle if you do the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine. G
WARNING
Children could injure themselves if they
adjust the steering wheel. There is a risk of
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never leave children unsupervised in the vehicle.
The electrically adjustable steering wheel can
still be adjusted when there is no SmartKey in
the ignition lock. Adjusting the steering wheel man-
ually
G
WARNING
If the steering wheel is unlocked while the
vehicle is in motion, it could change position
unexpectedly. This could cause you to lose control of the vehicle. There is a risk of an
accident.
Before starting off, make sure the steering
wheel is locked. Never unlock the steering
wheel while the vehicle is in motion. 0043
Release lever
0044 Adjusts the steering wheel height
0087 Adjusts the steering wheel position (fore-
and-aft adjustment)
X Push release lever 0043down completely.
The steering column is unlocked.
X Adjust the steering wheel to the desired posi-
tion.
X Push release lever 0043up completely.
The steering column is locked.
X Check if the steering column is locked. When
doing so, try to push the steering wheel up or down or try to move it in the fore-and-aft
direction. Steering wheel
103Seats, steering wheel and mirrors Z

G
WARNING
The exterior mirror on the front-passenger
side reduces the size of the image. Visible
objects are actually closer than they appear.
This means that you could misjudge the dis-
tance from road users traveling behind, e.g.
when changing lane. There is a risk of an acci-
dent.
For this reason, always make sure of the
actual distance from the road users traveling
behind by glancing over your shoulder. X
Turn the SmartKey to position 0047or0048 in the
ignition lock (Y page 135).
X Exterior mirror on the driver's side: press but-
ton 0043.
Exterior mirror on the front-passenger side:
press button 0044.
The indicator lamp in the corresponding but-
ton lights up in red.
The indicator lamp goes out again after some
time. You can adjust the selected exterior
mirror using button 0087as long as the indicator
lamp is lit.
X Press button 0087up, down, or to the right or
left until you have adjusted the exterior mirror
to the correct position. You should have a
good overview of traffic conditions.
The convex exterior mirrors provide a larger field of vision.
The exterior mirrors are heated automatically if
the rear window defroster is switched on and the
outside temperature is low. Folding the exterior mirrors in or out
electrically
X
Turn the SmartKey to position 0047or0048 in the
ignition lock (Y page 135).
X Briefly press 0043.
Both exterior mirrors fold in or out.
i Make sure that the exterior mirrors are
always folded out fully while driving. They
could otherwise vibrate.
i If you are driving faster than 30 mph
(47 km/h), you can no longer fold in the exte-
rior mirrors.
Resetting the exterior mirrors If the battery has been disconnected or com-
pletely discharged, the exterior mirrors must be reset. Otherwise, the exterior mirrors will not
fold in when you select the "Fold in mirrors whenlocking" function in the on-board computer
(Y page 241).
X Turn the SmartKey to position 0047in the igni-
tion lock (Y page 135).
X Briefly press 0043.
Folding the exterior mirrors in or out
automatically If the "Fold in mirrors when locking" function is
activated in the on-board computer
(Y
page 241):
R the exterior mirrors fold in automatically as
soon as you lock the vehicle from the outside.
R the exterior mirrors fold out again automati-
cally as soon as you unlock the vehicle and
then open the driver's or front-passenger
door. 106
MirrorsSeats, steering wheel and mirrors