S Tarting And T Urning O Ff The E Ngine - Mercedes-Benz 350 SDL TURBO 1991 Owner's Manual

S tartin g and T u rn in g O ff the Engine
B efore S tartin g
Engage parking brake and m ove the
se le cto r le ver to position " P" .
C old Engine
Turn key to steering lock position 2.
C harge in dica tor and pre glow in d ica ­
to r lam p sho uld com e on. T he preglow
process starts. W hen the preglow
in dica tor lam p goes out, the engine is
ready for starting.
A m bien t tem pe rature s
above 0°C (+32°F):
T urn key in steering lock clo ckw ise to
the stop. Do not de pre ss accelerator.
Release key only w hen the en gine is
firing regularly.
A m bien t tem pe rature s
below 0°C (+32°F):
D epress a cce le rator to the floor. Turn
key in steering lock clo ckw ise to the
stop. R elease key only w h en the
engine is firing regularly and ba ck off
acce le ra to r slow ly.
Do not in te rrup t the starting process. If
the en gine is very cold, it is possible
tha t it w ill fail to start on sub seq ue nt
attem pts.
14
A t am b ie nt tem p e ra tu re s below
- 1 8°C (0°F), de pre ss a cce le rator
th re e tim es prior to starting.
Hot E n gin e
T urn key in steering lock clo ckw ise to
the stop and start en gine im m e dia te ly
w ith o u t d e pre ssing the acce le rator.
T u rn in g off
T urn the key in the steering lock to
position 0 only w hen th e veh icle has
stop ped m oving.
T he key can only be rem oved w ith the
se le cto r lever in position " P" .
S hould the en gine con tinu e to operate
w ith the key in stee ring lock position 0,
refer to page 74.
If the co o la n t tem p e ra tu re is very high
(e.g. after hard driving on m ountain
roads), do not shu t off the engine
im m e dia te ly, but a llo w it to run for
1 -2 m inutes at in crea sed idle speed
w ith se le cto r lever in position " P" .
Im p ortan t!
Due to the installed s tarter non-re pea t
feature, th e key m ust be turne d
com p le te ly to th e left before a tte m p t­
ing to start the en gine again.
O bse rve the oil pre ssure gauge
im m e dia te ly after starting the engine.
In a very cold en gine the oil pressure
w ill rise slow ly. Do not speed up the
e n gine before pressure is registered
on the pre ssure gauge.
T he battery charge indicator lam p
should go out as soon as the engine
has started.
If the preglow in dica tor lam p fails to
light up, or lights up w h ile driving, the
pre glow system is de fective and
should be repaired a t you r authorized
M E R C E D E S -B E N Z d e aler at the
e a rlie st possible date.
T h e en gine is eq uippe d w ith a block
he ater to provide reliab le starting at
te m p e ra tu re s be lo w -1 8 ° C (0°F).
R efer to page 67.