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Mercedes Benz
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1993
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300SD (140.134) L6-3.5L DSL Turbo (603.971)
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Repair and Diagnosis
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Body and Frame
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Locks
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Keyless Entry
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Testing and Inspection
Keyless Entry: Testing and Inspection
Battery check (remote control)
Push button (b) for at least 1 second. Batteries are in order if diode (arrow) in outlet window (a) lights briefly.