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M
248 MAINTENANCE SCHEDULES
A
I
SPECIAL MAINTENANCE REQUIREMENTS
N
T
Coolant
E
Have the corrosion inhibitor/antifreeze concentration in
N
A
the coolant checked before the onset of winter (once a
N
year in countries with high prevailing temperatures).
C
Have the coolant replaced every five years or 100,000
E
miles (161,000 km).
S
C
Dust Filter for Heating/Ventilation Replacement
H
The dust filter is replaced during routine maintenance
E
service. The filter element must be replaced with "B"
D
U
Schedule service or every 18,500 miles (30,000 km) to
L
maintain effectiveness. However, if operating conditions
E
are dusty, these filters should be replaced more fre-
S
quently. A cover in the HVAC unit that can be reached
8
from the passenger foot well provides access to the filter
element.
ENGINE OIL CHANGE AND FILTER
REPLACEMENT
The recommended oil and filter change interval is based
on FSS or 1 year. Please refer to the heading FSS System
in this section for a full description of the use and
interpretation of symbols in the FSS system. Only use
synthetic engine oils, approved to MB 229.3 or MB 229.5,
such as Mobil 1 SAE 0W-40. The FSS may not alert for an
oil change at the proper interval if an unapproved engine
oil is used; engine damage and reduced engine life may
result. Information is available from your authorized
dealer. The oil filter should always be changed when the
oil is changed.
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