Remove/Install Onboard Logic Unit (OLU) Communication Module - AR82.85-S-1106E

Model 447 

Courtesy of MERCEDES-BENZ USA

Shown On Model 447.7 

Notice	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
Notice	Notes on carrying out repair work in the vehicle interior		AH68.00-D-0001-01KOS
	Remove/install
1	Commission Onboard Logic Unit (OLU) communication module control unit (1) using diagnostic system.	If the Onboard Logic Unit (OLU) communication module (1) is replaced.
			AD00.00-S-2000-04E
2	Switch off ignition and store transmitter key outside of transmission range (min. 2 m).
3	Unclip cover (2) at catch hooks (arrows) and remove.	Clip remover	Fig 1
4	Release and disconnect the electrical connections (4).	The number of electrical connectors (4) varies depending on the vehicle equipment involved.
5	Remove screw/bolts (3).
6	Remove Onboard Logic Unit (OLU) communication module (1) from seat box of front passenger seat.
7	Install in the reverse order.

Fig 1: Identifying Clip Remover (452 589 01 63 00)

Courtesy of MERCEDES-BENZ USA