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Home >> Mercedes Benz >> 1993 >> 500E (124.036) V8-5.0L (119.974) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Central Electronics Box >> Service and Repair
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Central Electronics Box: Service and Repair

Special Tool For Control Module Replacement:





SPECIAL TOOL
A special tool (part# 140 589 01 33 00) is required for the removal/installation of control units in the module box. This tool may be substituted with an aftermarket equivalent.

Control Module Box:





REMOVAL
1. Disconnect and cover battery negative terminal.
2. Unscrew module box cover screws and lift off cover.

Control Module Replacement:





3. Place special tool on control unit (arrows) and carefully move in direction of arrow until the control unit lifts out of the connector.
4. Remove special tool and pull out control unit.

Control Module Installation:





INSTALLATION
1. Insert control unit by hand, paying attention to the color coding.
2. If necessary, press control unit completely in with special tool by placing special tool on the module box frame under the ribs (arrow). Carefully move special tool in direction of arrow until resistance can be felt when control unit is fully engaged in connector.
3. Install all other components in reverse order of removal.
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