Remove/install TV tuner - AR82.85-P-7366GR

MODEL 463.243 /244 /245 /246 /247 /249 /250 /254 /309 /322 /323 /332 /333 with CODE (EM9) TV tuner

MODEL 463.248 with CODE (EM9) TV tuner except CODE (979) Special protection version

MODEL 463.202 /222 /270 /271 /303 /340 /341 with CODE (EM9) TV tuner up to model year 2010

MODEL 463.222 /237 /270 /271 /340 /341 with CODE (EM8) TV tuner as of model year 2010

MODEL 463.236 with CODE (EM9) TV tuner except CODE (979) Special protection version up to model year 2010

MODEL 463.236 with CODE (EM8) TV tuner except CODE (979) Special protection version as of model year 2010

MODEL 463.336 /346 with CODE (EM8) TV tuner

Illustrated on model 463.309

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

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying TV Tuner Components

Courtesy of MERCEDES-BENZ USA

Illustrated on model 463.248

	Remove/install
1	Activate service mode in Telematic Alarm Identification on Demand (emergency call system) (TELE AID)	On model 463.243/244/245/250/309/322/ 323/332/333 with code (ET2) TELE AID - car telephone emergency call system, model 463.247/248/254/270 up to 1.04.07 with code (ET2) TELE AID - car telephone emergency call system	AR82.95-P-0005-03GR
	Notes regarding the Tele-Aid 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		AR54.10-P-0003G
	Notes on battery		AH54.10-P-0001-01A
3.1	Remove luggage compartment cover	On model 463.236/237/243/248/270/271/ 332/333/341/346 with luggage compartment cover On model 463.222/244/247/322/332/336/340 with code (V53) Stowage box and luggage compartment cover	AR68.72-P-0010GK
3.2	Remove luggage compartment cover with draft stop (A)	On model 463.202/250/254/303/309 Three draw buttons per side.
4	Remove side stowage box cover at left rear	Only on vehicles with code (V53) Stowage box and luggage compartment cover
5	Remove luggage compartment cover mounting bracket (B) at side wall lining	Only on model 463.202/250/254/303/309 Remove only at left-hand side.
6	Remove plastic frame (1) at CD changer	On vehicles with code (EP5) CD changer
7	Remove left rear tie-down eye from wheel arch
8	Detach floor covering (2) from wheel well	For this purpose slightly lift side wall paneling in rear area.
9	Remove cover panel under floor covering (2)	To do this, unscrew two bolts.
10	Disconnect TV/tuner antennas connector (X1/27)
11	Disconnect TV/tuner connector (X1/28)
12	Remove bolt (3)
13	Remove TV tuner (Europe: USA) (A2/42)
14	Install in the reverse order
15	Deactivate service mode in TELE AID	On model 463.243/244/245/250/309/322/ 323/332/333 with code (ET2) TELE AID - car telephone emergency call system, model 463.247/248/254/270 up to 1.04.07 with code (ET2) TELE AID - car telephone emergency call system	AR82.95-P-0005-03GR
	Notes regarding the Tele-Aid emergency call system		AH82.95-P-0001-01GA
16	Read out fault memory and erase	STAR DIAGNOSIS Stored faults which can result from cables being disconnected or from simulation during removal and installation or test work, have to be processed and erased in the fault memories after completing the work.
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
17	Perform function test