Descr iption of Emission System Main ten ance Jobs
The composition of exhaust emissions is influenced not only
by the special emission control equipment, but also by various
engine components and their adjustments.
0980
Replace air filter elemen t
Under normal dust conditions, replace air filter element
approximately every 60 000 miles or 4 years.
Clean air filter cover and housing
Therefore, emission system maintenance must include these
engine components. Some maintenance jobs are actually only
tests. They are important however, because they allow early
detection of discrepancies which can later lead to increased
exhaust emissions. It is generally less expensive to have such
items adjusted immediately rather than allowing them to con-
tribute to costly repairs. The maintenance intervals have been
determined so that the vehicle, under normal conditions,
should operate properly between services.
1351
The Poly-V-belt is subject to wear and aging. It must be
checked for cracks and wear.
Check en gine Poly-V-belt con dition
Replace Poly-V-belt if necessary.
1580
Sparks plugs are subject to electrode erosion and must be
replaced according to schedule on page 26.
Replace spar ks plu gs
0101
Engine: Oil change an d filter change
Change the engine oil and oil filter at least once every year.
If oil consumption should increase, determine the cause and
take necessary corrective steps.
* Mercedes-Benz urges that this procedure be performed to maintain peak
performance although it is not required to maintain your emission war-
ranty.
Reset FSS counter.
0780
Replace fu el filter *
Replace the fuel filter approximately every 60 000 miles or
4 years.
27
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