mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

GF54.15-P-1257-03CA Relay Assignment of Fuse and Relay Box In Left Side of Engine Compartment|Page 5235 > < GF54.15-P-1257-03CA Relay Assignment of Fuse and Relay Box In Left Side of Engine Compartment|Page 5233
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Relay Box: Description and Operation
GF54.21-P-6030CA Rear SAM Control Unit With Fuse and Relay Module, Component Description

GF54.21-P-6030CA Rear SAM Control Unit With Fuse And Relay Module, Component Description

Component Identification

Location

The rear SAM control unit is located in the rear right of the luggage compartment.

Component Identification

Location

The rear SAM control unit is located at the right in the trunk under the cargo area trim.

Task

The rear SAM control unit supplies various systems via limit
switches and supplies control units with voltage depending on the
function sequence. In addition the rear SAM control unit has the
following tasks:

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Reading in of sensors, pickups and signals

^

Evaluation of input factors

^

Actuation of systems

^

Actuating components

GF54.15-P-1257-03CA Relay Assignment of Fuse and Relay Box In Left Side of Engine Compartment|Page 5235 > < GF54.15-P-1257-03CA Relay Assignment of Fuse and Relay Box In Left Side of Engine Compartment|Page 5233