mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Collision Avoidance and Parking Assist Systems > < Procedures|Page 14045
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Cellular Phone Transceiver: Service and Repair

Removing and installing transmitter/receiver unit

GSM cellular telephone (D2B)

Shown On Model 220

1

Connect quiescent current retention unit
-

See "Commercially Available Tools" below.

2

Disconnect ground cable of battery

3.1 Remove rear seat cushion
3.2 Remove bucket seats

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Model 220 with code 401, right side only.

4

Remove seat adjustment mechanism on rear seat
-

Model 220 with code 401, right side only.

5

Fold back cover mats

6

Unscrew screws (1) and remove cradle (2)

7

Disconnect connector (3) and antenna connection (4) from telephone transmitter/receiver (A35)

8

Install in the reverse order

9

Perform function check.

Commercially Available Tools

Commercially Available Tools

Collision Avoidance and Parking Assist Systems > < Procedures|Page 14045