mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

AR54.21-P-0200R Remove/Install System Diagnosis Control Module|Page 18798 > < COMAND(R) System - System Starts Then Switches OFF|Page 18795
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Central Control Module: Service and Repair
AR54.21-P-0200R Remove/Install System Diagnosis Control Module

AR54.21-P-0200R Remove/Install System Diagnosis Control Module

1

Disconnect ground cables from both batteries

NOTE:  First the on-board electrical system battery in the trunk and then the starter battery in the engine compartment.

2

Remove glove compartment (1)

3

Unclip strip (3)

4

Remove edge guard (4) in area of cover (2)

5

Detach cover (2) from A-pillar

6

Unscrew nuts (5)

7

Disconnect electrical connector (6) and remove system diagnosis control module (N55)

8

Install in the reverse order

9

Read out fault memory

10

Download default data from STAR DIAGNOSIS

AR54.21-P-0200R Remove/Install System Diagnosis Control Module|Page 18798 > < COMAND(R) System - System Starts Then Switches OFF|Page 18795