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Emission Control System Caution
Your Mercedes-Benz is equipped with both a three-way
catalyst and a closed loop oxygen sensor system to comply
with current exhaust emission regulations. Keep your
vehicle in proper operating condition by following our
recommended maintenance instructions as outlined.
The following has to be adhered to:
a. In all models, use only premium unleaded gasoline
with an anti-knock index of at least 91 (as displayed
on the pump). Damage to the engine could occur
if premium unleaded fuel is not used. Refer to the
Operator's Manual for special precautions.
b. Leaded gasoline should not be used under any
circumstances. Damage to the emission control
components will result.
c. The specified engine maintenance jobs have to be
performed completely and at the required intervals.
Correct ignition timing and properly functioning spark
plugs for instance are important for the service life of
the catalysts. Failure to properly perform the specified
maintenance jobs may adversely affect the emission
control system on the vehicle and reduce its service life.
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