Automatic Transmission Fluid Level - Mercedes-Benz 300 SD-Turbo Diesel 1985 Owner's Manual

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Federal version

Automatic Transmission Fluid Level

A t regular intervals and prior to a long
trip, check autom atic transm ission
fluid level and engine oil level.
Check transmission fluid level with
the engine idling, parking brake
engaged and selector lever in posi­
tion " P" . The vehicle m ust be parked
on level ground. Prior to the check,
allow engine to idle fo r approx. 1 to 2
minutes.
California version
Measure fluid level with the dipstick
com pletely inserted and the locking
lever released (1).
Extrem e cleanliness m ust be
observed! To wipe the dipstick, use a
clean, lintfree cloth. To fill the
transm ission with fluid, pour it
through a fine-m esh filte r into the dip­
stick opening. Even the slightest
im purity may cause operational tro u ­
bles.
Checking Fuels
Coolants
The fluid level in the transm ission is
dependent upon its tem perature.
The maximum and minimum fluid level
marks on the dipstick are applicable
references only if the transm ission
fluid has reached its normal operating
tem perature of 80° C/176° F.
If the transm ission fluid cools down
to 20 — 30° C/68 — 86° F, which is the
normal shop tem perature range, then
the maximum fluid level will be
approxim ately 5 mm /0.2 in (Federal
version) or 12 mm /0.5 in (California
version) below the minimum mark on
the dipstick. We stress this point
because a fluid change is normally
perform ed when the transm ission
fluid has cooled down to shop tem ­
perature.
The fluid level m ust not exceed the
d ipstick maximum mark with the fluid
at operating tem perature. Drain or
siphon off excess fluid, if required.
Then push dipstick all the way in and
swing locking lever downwards (2).
Lubricants etc.
(
77

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