Mercedes-Benz 2003 S 500 User Manual
Page 342

342
Practical hints
Flat tire
Mounting the new wheel
̈
Clean contact surfaces of wheel and
wheel hub.
̈
Guide the spare wheel onto the align-
ment bolt and push it on.
̈
Insert wheel bolts and tighten them
slightly.
̈
Unscrew the alignment bolt, install last
wheel bolt and tighten slightly.
Lowering the vehicle
̈
Lower vehicle by turning crank coun-
terclockwise until vehicle is resting ful-
ly on its own weight.
̈
Remove the jack.
1-5 Wheel bolts
̈
Tighten the five wheel bolts evenly, fol-
lowing the diagonal sequence illustrat-
ed (1 to 5), until all bolts are tight.
Observe a tightening torque of
110 ft. lb. (150 Nm).
!
To avoid paint damage, place wheel flat
against hub and hold it there while in-
stalling first wheel bolt.
Warning!
G
Always replace wheel bolts that are dam-
aged or rusted.
Never apply oil or grease to wheel bolts.
Damaged wheel hub threads should be re-
paired immediately. Do not continue to drive
under these circumstances! Contact an au-
thorized Mercedes-Benz Center or call
Roadside Assistance.
Incorrect mounting bolts or improperly
tightened mounting bolts can cause the
wheel to come off. This could cause an acci-
dent. Be sure to use the correct mounting
bolts.
Warning!
G
Use only genuine equipment
Mercedes-Benz wheel bolts. They are identi-
fied by the Mercedes star. Other wheel bolts
may come loose.
Do not tighten the wheel bolts when the ve-
hicle is raised. Otherwise the vehicle could
tip over.
Warning!
G
Have the tightening torque checked after
changing a wheel. The wheels could come
loose if they are not tightened to a torque of
110 ft.lb. (150 Nm).
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