Mercedes-Benz 350 SDL TURBO 1991 Owner's Manual page 88

E m erg en cy O p eratio n of S liding
Roof
The sliding roof can be opened or
closed m an ua lly sho uld an electrical
m alfunction occur.
Fold back acce ss co ve r in left side
panel of tru n k w ith a screw driver.
Insert socket w rench (from tool kit)
through opening in panel and place on
the hex-drive of the electric m otor.
Turn socke t w rench (m anually) to
open or close roof as desired.
T o slide the roof clo sed o r to raise the
roof at the rear: turn clockw ise.
To slide the roof open or to low er the
roof at the rear: turn cou nterclockw ise.
86
M anual R elease of Fuel F iller Flap
If the cen tra l locking system do es not
release the fuel filler flap au to m a tica l­
ly, pull ba ck the knob on th e vacuum
e lem e nt on the right side of the trunk
w h ile opening the filler flap.
W in d sh ie ld W ip ers
T o release frozen w indsh ie ld w iper
blades or to replace w orn blades, the
w indsh ie ld w ip e r arm s can be pulled
out of the ir recess by hand. S ufficient
force m ust be applied to ove rcom e
spring resistance. Be care fu l not to
tea r rubber blades w h ich are frozen to
the glass, as this w ill reduce the
effective ness of the w ipers.
To ensure op era tion of the w indshield
w ip e r even w hen it is snow ing heavily,
an overload protection has been
installed. It be com e s effective if a
certain w iping resista nce is exceeded
as a result of snow accu m ulation . The
w indsh ie ld w ip e r arm will then no
long er return com p le te ly to its initial
position, alth ou gh the w indshield
w ip e r m otor con tinu es to run a full
cycle. If this con dition is encountered,
the accu m ulated snow should be
m an ua lly rem oved w hen it is safe.