RThe jack must be placed on afirm,flat andnon-slip surface. If necessary,use a large,flat, load-bearing, non-slip underlay.
RThefootofthe jack must be positionedverti‐cally underthe jack support point.
Rules of conduct whenthevehicle israised:
RNever placeyour hands orfeetunderthevehicle.
RNever lie underthevehicle.
RDo notstartthe engine and do notreleasethe electric parking brake.
RDo not open or close any doors orthe trunklid.
#Usingthe lug wrench, loosenthe wheel boltsonthe wheelyou wishtochangebyaboutone full turn. Do not unscrewthe bolts com‐pletely.
Position of jack support points
&WARNINGRisk of injuryfrom incorrectpositioning ofthe jack
Ifyou do not positionthe jack correctly atthe appropriate jacking point ofthevehicle,the jack could tip withthevehicleraised.
#Only positionthe jack atthe appropri‐ate jacking point ofthevehicle. Thebase ofthe jack must be positionedver‐tically underthe jacking point ofthevehicle.
460Wheels and tires
*NOTEVehicle damage fromthe jack
Ifyou do not positionthe jack correctly atthe appropriate jack support point ofthevehicle,the jack could tipover withthevehi‐cleraised.
#The jack is designedexclusivelyforjacking upthevehicle atthe jack sup‐port points.
#Taketheratchet wrench out ofthe tire-changetool kit and place it onthe hexagonnut ofthe jack sothatthe letters "AUF" arevisible.
#Position jack2at jack support point1.
#Turnratchet wrench3clockwise until jack2sits completelyon jack support point1andthe base ofthe jack liesevenly ontheground.
#Continuetoturnratchet wrench3untilthetire israised a maximum of1.2 in (3 cm) offthe ground.
#Loosen andremovethe wheel (→page 461).
Removing a wheel
Requirements:RThevehicle israised (→page 459).
Mercedes-AMGvehicles:observethe notes inthe Supplement. Otherwise,you may notrecog‐nize dangers.
Whenchanging a wheel,avoid applying anyforcetothe brake discs, sincethis could impairthelevel of comfortwhen braking.
*NOTEDamagetothreading from dirt onwheel bolts
#Do not place wheel bolts in sand or ona dirty surface.
#Unscrewthe uppermost wheel bolt com‐pletely.
Wheelsand tires461
