mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Central Power Supply|Testing and Inspection > < Diagram Information and Instructions|Page 3279
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Central Power Supply: Description and Operation

 
Task

-

Voltage supply of control modules and electrical components

-

Protecting circuit of control modules and electrical components

 
Design

Plastic housing with fuses and relays depending on vehicle model and equipment

 
Function

Fuse trips in the event of:
-

overload

-

excessively long overvoltages

NOTE:  The base module does not have a fault memory. It does not have a diagnostic capability.

The overvoltage protection function is performed by the regulator of the generator.

Central Power Supply|Testing and Inspection > < Diagram Information and Instructions|Page 3279