FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Mercedes Benz
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1990
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300E 4MATIC (124.230) L6-3.0L (103.985)
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Repair and Diagnosis
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Heating and Air Conditioning
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Service and Repair
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Procedures
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Inspection Interval
Inspection Interval
COOLING CAPACITY/
REFRIGERANT
LEVEL
Check
Every 2 years. or 24,000 mi.