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Practical hints
Flat tire
̈ Unscrew the alignment bolt, install last
wheel bolt and tighten slightly.
Inflating the spare tire (collapsible tire)
̈ Take the electric air pump out of the
trunk (
୴ page 400).
1 Flap
2 Air pump switch
3 Electrical plug
4 Air hose with pressure gauge and vent
screw
5 Union nut
̈ Open flap 1 on air pump.
̈ Pull out electrical plug 3 and air hose
with the pressure gauge 4.
̈ Remove the valve cap from the tire
valve.
̈ Screw union nut 5 onto the tire valve.
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
repaired immediately. Do not continue to
drive under these circumstances! Contact
an authorized Mercedes-Benz Center or call
Roadside Assistance.
Incorrect wheel bolts or improperly tight-
ened wheel bolts can cause the wheel to
come off. This could cause an accident. Be
sure to use the correct wheel bolts.
Warning! G
Only use genuine Mercedes-Benz wheel
bolts. They are identified 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
fall off the jack.
!
Do not lower the vehicle before inflating the
spare wheel tire. Otherwise the rim may be dam-
aged.
Warning! G
Observe instructions on air pump label.