2017 MERCEDES-BENZ GLS-Class SUV ECU

GWARNING
If you tighten the wheel bolts or wheel nuts
when the vehicle is raised, the jack could tip
over. There is a risk of injury.
Only tighten the wheel bolts or wheel nuts
when the vehicle is on the ground.
!To prevent damage to the paintwork, hold
the wheel securely against the wheel hub
while screwing in the first wheel bolt.
Always pay attention to the instructions and
safety notes in the "Changing a wheel" section
(
Ypage 366).
Only use wheel bolts that have been designed
for the wheel and the vehicle. For safety rea-
sons, Mercedes-Benz recommends that you
only use wheel bolts which have been approved
for Mercedes-Benz vehicles and the respective
wheel.
!Always use wheel bolts ;to mount the
"Minispare" emergency spare wheel. Using
other wheel bolts to mount the "Minispare"
emergency spare wheel could damage the
brake system.
:Wheel bolts for all wheels supplied by the
factory and for the collapsible spare wheel
(Mercedes-AMG GLE 63)
;Wheel bolts for the collapsible spare wheel
XClean the wheel and wheel hub contact sur-
faces.
XSlide the wheel to be mounted onto the align-
ment bolt and push it on.
XTighten the wheel bolts until they are finger-
tight.
XUnscrew the alignment bolt.
XTighten the last wheel bolt until it is finger-
tight.
XMercedes-AMG vehicles with a collapsi-
ble spare wheel: inflate the collapsible spare
wheel (
Ypage 374).
Only then lower the vehicle.
Lowering the vehicle
GWARNING
The wheels could work loose if the wheel nuts and bolts are not tightened to the specified
tightening torque. There is a risk of accident.
Have the tightening torque immediately
checked at a qualified specialist workshop
after a wheel is changed.
!Mercedes-AMG vehicles with a collapsi-
ble spare wheel: before lowering the vehicle,
inflate the collapsible spare wheel with the
tire inflation compressor. The wheel rim could
otherwise be damaged.
XPlace the ratchet wrench onto the hexagon
nut of the jack so that the letters ABare visi-
ble.
XTurn the ratchet wrench until the vehicle is
once again standing firmly on the ground.
XPlace the jack to one side.
370Changing a wheel
Wheels and tires

Removing/stowing the emergency
spare wheel
Vehicles with a "Minispare" emergency
spare wheel under the cargo compart-
ment floor
Always observe the instructions and safety
notes in the "Mounting a wheel" section
(
Ypage 367).
Example image: vehicle without a lockable
cargo compartment floor.
Removing the emergency spare wheel
XLift the cargo compartment floor upwards
(Ypage 301).
XVehicles with a lockable cargo compart-
ment floor: remove the stowage tray.
XRelease the Velcro fastener (Ypage 331).
XTake out the jack.
XTurn emergency spare wheel retainer :
counter-clockwise and remove it.
XRemove stowage well ;.
XRemove "Minispare" emergency spare wheel
=.
Vehicles with a "Minispare" emergency
spare wheel in the emergency spare
wheel bag
Always observe the instructions and safety
notes in the "Mounting a wheel" section
(
Ypage 367).
On vehicles with a Bang & Olufsen sound sys-
tem, the "Minispare" emergency spare wheel is
packed in an emergency spare wheel bag. The
emergency spare wheel bag is secured to the
cargo tie-down rings in the cargo compartment.
Removing the emergency spare wheel
XDetach fastening straps ;.
XUnhook retaining spring hooks :and =of
fastening straps ;from the cargo tie-down
rings.
XRemove the emergency spare wheel bag with
the "Minispare" emergency spare wheel.
XOpen the emergency spare wheel bag and
remove the "Minispare" emergency spare
wheel.
Stowing the emergency spare wheel
XPlace the "Minispare" emergency spare wheel
into the emergency spare wheel bag and
close the emergency spare wheel bag.
XPlace the emergency spare wheel bag with
the "Minispare" emergency spare wheel into
the cargo compartment with the carrying
strap at the back.
XHook retaining spring hooks :and =of
fastening straps ;into the cargo tie-down
rings.
XTighten fastening straps ;.
Mercedes-AMG vehicles with a collaps-
ible spare wheel under the cargo com-
partment floor
!Only place the collapsible spare wheel in the
vehicle when it is dry. Otherwise, moisture
may get into the vehicle.
Always observe the instructions and safety
notes in the "Mounting a wheel" section
(
Ypage 367).
The collapsible spare wheel can be found in the
stowage well under the cargo compartment
floor.
Emergency spare wheel373
Wheels and tires
Z

Removingth eemergenc yspar ewhee l
XLiftth ecargo compartmen tfloor upwards
(Ypage 301).
XUnscrew retaining screw ;counter-clock -
wise.
XRemove collapsible spar ewhee l: from th e
spar ewhee lwell.
Inflating th ecollapsible spar ewhee l
(
Ypage 374).
Tak eth efollowin gsteps to stow aused collaps -
ible spar ewheel. Otherwise, it will no tfit int oth e
spar ewhee lwell. Mercedes-Ben zrecommends
that you hav ethis wor kperformed at aqualified
specialist workshop, e.g. at an authorize d
Mercedes-Ben zCenter.
Stowin gth eemergenc yspar ewhee l
XUnscrew th evalv ecap from th evalve.
XIf possible, unscrew th evalv einsert from th e
valv eand release th eair.
iFull ydeflating th etires can tak e afew
minutes.
XScrew th evalv einsert bac kint oth evalve.
XScrew th evalv ecap bac kon .
XLay collapsible spar ewhee l: in th eemer-
gency spar ewhee lwell.
XScrew in retaining screw ;clockwise in th e
collapsible emergenc ywhee lto th estop.
XSwing th ecargo compartmen tfloor down
(Ypage 301).
Mercedes-AMG vehicles with a collaps-
ible spare wheel in the emergency
spare wheel bag
Always observ eth einstruction sand safet y
note sin th e"Mounting awheel" section
(
Ypage 367). On Mercedes-AM
Gvehicles wit h aBan g & Oluf -
sen soun dsystem, th ecollapsible spar ewhee lis
packe din an emergenc yspar ewhee lbag. The
emergenc yspar ewhee lbag is secured to th e
cargo tie-down rings in th ecargo compartment.
Removin gth eemergenc yspar ewhee l
XUnhoo kretaining spring hooks :of fasten-
ing strap ;from th ecargo tie-down rings.
XRemove th eemergenc yspar ewhee lbag wit h
th eemergenc ycollapsible spar ewheel.
XOpen th ebag and remove th eemergenc ycol-
lapsible spar ewheel.
Inflating th ecollapsible spar ewhee l
(
Ypage 374).
Stowin gth eemergenc yspar ewhee l
XPlaceth ecollapsible spar ewhee lint oth e
emergenc yspar ewhee lbag and close th e
emergenc yspar ewhee lbag.
XPlac eth eemergenc yspar ewhee lbag wit h
th ecollapsible spar ewhee lint oth ecargo
compartmen twit hth ecarryin gstrap at th e
back.
XHook retaining spring hooks :of fastenin g
strap ;intoth ecargo tie-down rings.
XTighte nfastenin gstrap ;.
Inflating the collapsible spare wheel
(Mercedes-AMG GLS 63)
!
Inflat eth ecollapsible spar ewhee lusin gth e
tire inflation compressor before lowering th e
vehicle. The whee lrim could otherwise be
damaged.
!Do no toperate th etire inflation compressor
for longer than eigh tminute sat atime without
a break. It may otherwise overheat.
374Emergency spare wheel
Wheels and tires