C 240 4MATIC Wagon (203.281) V6-2.6L (112.916) (2003)
Amplifier: Service and Repair
AR82.62-P-7720PA Remove/Install Loudspeaker Amplifier Control Unit
DANGER:
Risk of explosion from gas. Risk of poisoning and caustic burns from swallowing battery electrolyte. Risk of injury from caustic burns to eyes
and skin from battery electrolyte or from handling damaged lead-acid batteries
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No fire, sparks, naked flames or smoking.
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Wear acid-resistant gloves, clothing and eye protection. Pour battery electrolyte only into suitable and appropriately marked containers.
1
Connect quiescent current retention device
See "Commercially Available Tools" given below.
2
Disconnect ground cable of battery
3
Remove side trim panel in rear
4
Unscrew screws (1)
5
Carefully take out sound amplifier (A2/13)
CAUTION: Do not kink D2B fiber optic cable
6
Separate fiber optic cable connector (2) Notes on fiber optic cable
CAUTION: Do not kink D2B fiber optic cable
NOTE: Fit fiber optic cable connector and radio connection with caps
7
Separate sound amplifier connector (3)
8
Install in the reverse order
9
Read diagnostic trouble code memory and erase
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Stored faults which may be caused by disconnecting cables or by simulation during removal and installation or test operations, must be
processed and erased in the fault memories after completing the operations
10
Make electrical system operational
Commercially Available Tools