Operation CHARM
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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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Seats
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Locations
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Heated Seat (HS)
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Rear Seat Components
Rear Seat Components
Figure 1:
F4
Rear fuse box (17-fuse, in trunk)
Figure 2:
N25/5
Front HS control module
N25/6
Rear HS control nodule
Figure 3:
V2
Engine speed increase diode matrix
Figure 4:
S51/3
Left rear seat heater switch