Operation CHARM
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Mercedes Benz
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1993
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300D (124.128) L5-2.5L DSL Turbo (602.962)
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Repair and Diagnosis
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Heating and Air Conditioning
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Compressor HVAC
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Compressor Clutch
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Testing and Inspection
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via Engine Control Unit (MAS)
via Engine Control Unit (MAS)
MAS Control Unit Testing:
Connect the socket box and test cable.
MAS Control Unit Testing:
DIAGNOSTIC PROCEDURE