Remove/install antenna amplifier module - AR82.62-P-8300GR

MODEL 463.243 /244 /245 /247 /248 /250 /254 /270 /271 /303 /309 /322 /323 /332 /333 /340 /341 with CODE (ET4) COMAND operating and display system with CODE (EM9) TV tuner

MODEL 463.222 /236 /237 /340 /341 with CODE (EU1) COMAND APS with CODE (EM8) TV tuner as of model year 2010

MODEL 463.336 /346 with CODE (EU1) COMAND APS with CODE (EM8) TV tuner

Fig 1: Identifying Luggage Compartment Cover With Draft Stop And Draft Stop Mounting Bracket

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Antenna Amplifier Module Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Activate Service mode in Tele-Aid emergency call system	Only on model 463.243/244/245/247/248/ 250/254/270/309/322/323/332/333 with code ET2 Tele-Aid car phone emergency call system	AR82.95-P-0005-03GR
	Notes regarding the Tele-Aid emergency call system	Model 463.243/244/245/247/248/250/254/ 270/309/322/323/332/333 with code ET2 Tele-Aid car phone emergency call system	AH82.95-P-0001-01GA
	Risk of explosion caused by oxyhydrogen gas. Risk of poisoning and caustic burns caused by swallowing battery acid. Risk of injury caused by burns to skin and eyes from battery acid or when handling damaged lead-acid batteries	No fire, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and glasses. Only pour battery acid into suitable and appropriately marked containers.	AS54.10-Z-0001-01A
2	Disconnect battery ground line	All models except model 463.248 with special protection version code 979	AR54.10-P-0003G
		Model 463.248 with: Code 979 Special protection version Code ZS6 Special protection version FB6 Code ZS7 Special protection version FB7 Code E26 100 Ah additional battery incl. cutoff relay	AR54.10-P-0003PM
	Notes on battery	All models	AH54.10-P-0001-01A
3	Remove luggage compartment cover with draft stop (A)	Model 463.250/254/303/309 3 draw buttons per side.
4	Remove draft stop mounting bracket (B) from quarter panel	Model 463.250/254/303/309 Only remove on the left side.
5	Remove stowage box	Model 463.244/247/322/332/336/340 with code V53 Stowage box and luggage compartment covering	AR68.72-P-0010GK
		Model 463.248 with: Code 979 Special protection version Code ZS6 Special protection version FB6 Code ZS7 Special protection version FB7 Code E26 100 Ah additional battery incl. cutoff relay Only remove on the left side.	AR68.72-P-0010PM
6	Remove plastic frame from CD changer (1)	Only with code EP5 CD changer.
7	Detach floor covering (2) from wheel well	For this purpose slightly lift side wall paneling in rear area.
8	Remove cover panel (3)	Remove bolts (4).
9	Separate antenna module supply connector (X1/22)
10	Remove antenna amplifier module (5)
11	Install in the reverse order
12	Deactivate service mode in TELEAID emergency call system	Only on model 463.243/244/245/247/248/ 250/254/270/309/322/323/332/333 with code ET2 Tele-Aid car phone emergency call system	AR82.95-P-0005-03GR
	Notes regarding the Tele-Aid emergency call system	Model 463.243/244/245/247/248/250/254/ 270/309/322/323/332/333 with code ET2 Tele-Aid car phone emergency call system	AH82.95-P-0001-01GA
13	Read out fault memory and erase	After work is complete, faults stored in the fault memory must be processed and erased. The stored faults may be caused by removed cables during installation or test operations as well as by simulation.
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A