Remove/Install Telematics Services Communications Module Control Unit - AR82.85-P-0020SR

MODEL 453 

MODIFICATION NOTES

25.04.2017

Disconnect diagnostic system, added.

Operation step 3

Courtesy of MERCEDES-BENZ USA

Shown on Model 453.4 

	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Perform initial startup of telematics services communications module (N112/2)	When replacing telematics services communications module (N112/2).	AD00.00-P-2000-06SR
2	Remove transmitter key
3	Disconnect diagnostic system	If the diagnostic system was connected.	AD00.00-P-2000-06SR
4	Separate electrical connections (1)	The telematics services communications module (N112/2) is installed at the right above the steering shaft (3) and accessible through the footwell on the driver side.
5	Detach telematics services communications module (N112/2) from bracket (2) and remove	: Ensure that telematics services communications module (N112/2) is seated securely on bracket (2).
6	Install in reverse order