Catalytic Converter - Mercedes-Benz 420 SEL 1989 Owner's Manual

Catalytic Converter

Your MERCEDES-BENZ is equipped
with monolithic catalytic converters,
an important element in conjunction
with the 0 2-sensor to achieve sub­
stantial control of the pollutants in the
exhaust emissions. Keep your vehicle
in proper operating condition by
following our recommended mainte­
nance instructions as outlined in your
maintenance booklet.
14
Caution!
To prevent damage to the catalytic
converters, use only premium un­
leaded gasoline in this vehicle.
Should any noticeable irregularities in
the engine operation occur, excessive
unburned fuel may reach the convert­
er causing it to overheat.
Warning!
As with any vehicle, do not idle,
park or operate this vehicle in
areas where combustible mate­
rials such as grass, hay or leaves
can come into contact with the
hot exhaust system, as these
materials could be ignited.