Mercedes-Benz GLK-Class 2015 Owners Manual - Manual (Page 361)

only use wheel bolts which have been
approved for Mercedes-Benz vehicles and the
respective wheel.
: Wheel bolts for all wheels supplied by the
factory
; Wheel bolts for the collapsible spare
wheel
! Always use wheel bolts ; to mount the
collapsible spare wheel. Using other wheel
bolts to mount the collapsible spare wheel
could damage the brake system.
Be sure to use the original-length wheel bolts
when re-mounting the original wheel after it
has been repaired.
! To prevent damage to the paintwork, hold
the wheel securely against the wheel hub
while screwing in the first wheel bolt.
X
Clean the wheel and wheel hub contact
surfaces.
X Place the new wheel on the wheel hub and
push it on.
X Tighten the wheel bolts until they are fin-
ger-tight.
X
Inflate the collapsible spare wheel
(
Y
page 367).
Only then lower the vehicle.
Lowering the vehicle
G WARNING
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.
! Inflate the collapsible spare wheel using
the tire inflation compressor before lower-
ing the vehicle. The wheel rim could other-
wise be damaged.
X
Place the ratchet wrench onto the hexagon
nut of the jack so that the letters AB are
visible.
X
Turn the ratchet wrench until the vehicle is
once again standing firmly on the ground.
X
Place the jack to one side.
X
Tighten the wheel bolts evenly in a cross-
wise pattern in the sequence indicated (:
to A). The tightening torque must be
110 lb-ft (150 Nm).
Mounting a wheel
359
Wheels
and
tires
Z