Winter Driving; Snow Chains - Mercedes-Benz 350 SDL TURBO 1991 Owner's Manual

Winter Driving

Have you r car w interize d at your
authorized M E R C E D E S -B E N Z de a le r
before the on set of w inter.
• C hange the engine oil if the
e n gine contains an oil w h ich is not
approved for w in te r op era tion. For
v isco sity (S AE class) and filling
quantity, see " Fuels, C oolants,
Lubricants, e tc ." page 102.
• For diesel fuels, refer to page 105
and last page.
• C h eck en gine coo la nt a n tic o rro ­
s io n/an tifre eze con cen tra tion .
• A dditive fo r the w indsh ie ld w a she r
and headlam p cleaning system s:
A dd MB C o nce ntrate "S " to the
prem ixed w indsh ie ld w a sh e r
solven t/an tifre eze w h ich is
form ulated for below freezing
te m pe rature s (see page 46).
• T est battery: B attery cap acity
drops w ith d e crea sing am b ie nt
tem pe rature . A w ell charged
battery en sure s th a t the engine
can alw ays be started, even at low
am b ie nt tem pe rature s.
• T ires: W e reco m m en d M +S radial
tires on all fo u r w h e e ls fo r the
w in te r season. O bse rve pe rm is s i­
ble m axim um speed fo r M +S
radial tire s and the legal speed
lim it.
• Engine block heater: T h e e n gine is
e q uippe d w ith a block heater. The
electrica l cab le m ay be installed
fre e -o f-ch a rg e at you r au thorized
M E R C E D E S -B E N Z d e a le r by
using the cou po n in the "O w n e r's
S ervice and W a rra n ty P o licy"
booklet. The coupon is valid for
12
m onths from date of veh icle
delivery.
A fte r installation, the electrical
plug is located at the side of the
rad ia to r (behind the grill) and can
be plugged into o rd in a ry h o u s e ­
hold outlets. O ne o r tw o hours of
o p era tion is usually su fficie n t to
pre-w arm the e n gine before
starting. T he en gine block he ater
can be left plugged in ove rnight, if
desired.
Note:
In w in te r op eration, the m axim um
e ffe ctive n e ss of the au to m a tic locking
diffe re ntia l is only ach ie ved w ith M +S
rad ia l-ply tires.

Snow Chains

Use only sno w cha in s tha t are tested
and reco m m en ded by M E R C E D E S -
BENZ. Y ou r au thorized M E R C E D E S -
B E N Z d e a le r w ill be glad to advise
you on this subject.
C hains should only be used on the
rear w h ee ls. F ollow to the m an ufac­
tu re r's m ounting instructions.
A fte r driving a sho rt d ista nce retighten
the m ounted chains.
S no w c ha in s s ho uld only be driven on
s n o w at spe ed s not to exceed
50 km /h (30 m ph). R em ove cha in s as
soon as po ssib le w hen driving on
roads w ith o u t snow .
For tips on driving on slippery w inter
roads refer to page 17.