Retrofit FSE 12 hands-free system - AZ82.70-P-0011TC

MODEL 211.0## 1# with CODE (525) MB Audio 50 APS radio with CODE (527) COMAND APS (with navigation) except CODE (273) Portable CTEL preinstallation (non-networked), VDA wiring except CODE (494) USA version except CODE (498) Japan version except CODE (924) Bivalent natural gas drive except retrofitted iPod kit 

FSE 12 wiring harness routing diagram 

Fig 1: FSE 12 Wiring Harness Routing Diagram

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Removing
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Disconnect ground cable of battery
			AR54.10-P-0003T
2	Remove cover on center console
			AR68.20-P-2350T
3	Remove ashtray from center console
			AR68.20-P-2400T
4	Remove overhead control panel control unit	Do not disconnect electrical connectors.
			AR82.20-P-1000T
5	Remove cover below instrument panel (right)
			AR68.10-P-1520T
6	Remove paneling on right A-pillar
		Footwell trim.	AR68.30-P-4050TA
7	Remove paneling on right A-pillar
		Upper A-pillar trim.	AR68.30-P-4050T
8	Remove door sill molding at right front and right rear
9	Remove front floor covering (right)
			AR68.20-P-2070T
10	Remove paneling from right B-pillar	Detach in lower section only far enough to provide access to the cable duct.
			AR68.30-P-4700T
11	Remove trim at side next to the right rear seat backrest
12	Remove covering over control unit plate in luggage compartment
13	Remove SAM control unit with fuse and relay box in luggage compartment	Do not disconnect electrical connectors.
			AR54.21-P-1258T
14.1	Remove rear bumper	Only if the customer wishes to have a telephone antenna installed in the rear bumper.
			AR88.20-P-2200T
15.1	Remove paneling in center of luggage compartment
		Except CODE (287) Through-loading feature.	AR68.30-P-4810T
16	Remove side trim in left and right sides of trunk
		Except CODE (287) Through-loading feature.	AR68.30-P-4800T
		With CODE (287) Through-loading feature.	AR68.30-P-4800TA
	Install
17.1	Retrofit antenna	Only if the customer wishes to have a telephone antenna installed in the rear bumper.
			AN82.62-P-0001-02TTA
		Glue cartridge (150 ml) for glued windows	*BR00.45-Z-1016-02A
18	Retrofit the CTEL mounting bracket with PSC adapter plug	See installation instructions for accessories included in parts scope.
19	Retrofit hands-free system wiring harness		AZ82.70-P-0005-02TX
20	Retrofit control unit interface		AZ82.70-P-0001-07T
21	Retrofit microphone for hands-free system		AZ82.70-P-0005-08TA
22	Retrofit speaker		AZ82.70-P-0001-03TA
23	Perform version coding subsequently
			AN82.61-P-0001-05T
		STAR DIAGNOSIS diagnosis system.	*WH58.30-Z-1048-13A
24	Carry out start-up and function test	Check telephone for proper functioning according to operating instructions.
25	Install remaining parts onto vehicle	Operation steps 16 to 1.