Remove/install light switch module - AR54.25-P-3270GM

MODEL 463.202/222/236/237/243/244/245/246/247/248/249/250/254/270/271/303/306/309/322/323/332/333/336/340/341/346 

Fig 1: Identifying Light Switch Module Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	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
1	Activate service mode in Telematic Alarm Identification on Demand (emergency call system) (Telematic Alarm Identification on Demand)	Only on model 463.243/244/245/250/309/322/323/332/333 with code (ET2) Tele-Aid -car telephone emergency call system, 463.247/248/254/270 up to 1.4.07 with code (ET2) Tele-Aid - car telephone emergency call system	AR82.95-P-0005-03GR
	Notes regarding the Tele-Aid emergency call system	Model 463.243/244/245/250/309/322/323/332/333, Model 463.247/248/254/270 up to 1.4.07	AH82.95-P-0001-01GA
2	Disconnect battery ground line	Except model 463.236/248 with code (979) Special protection version	AR54.10-P-0003G
		Model 463.236/248 with code (979) Special protection version, with code (ZS6) Special protection version FB6, with code (E26) Additional battery 100 Ah incl. cutoff relay Model 463.236/248 with code (979) Special protection version, with code (ZS7) Special protection version FB7, with code (E26) Additional battery 100 Ah incl. cutoff relay	AR54.10-P-0003PM
	Notes on battery	All models	AH54.10-P-0001-01A
3	Remove bottom section of dashboard (1) on driver's side	Do not detach electronic ignition switch control unit (N73) from the instrument panel lower section on the driver-side (1).	AR68.10-P-1505GM
4	Remove knee bolster	Only on model 463.246/249 as of end no. 141688 and model 463.271	AR68.10-P-3520G
5	Remove bolt (3)
6	Remove light switch module (S1)	Press together spring clips (2) in the arrow direction and pull out light switch module (S1).
			Fig 2
7	Disconnect electrical connector on the light switch module (S1)
8	Install in the reverse order
9	Carry out function check of light switch module (S1)
10	Deactivate service mode in Telematic Alarm Identification on Demand	Only on model 463.243/244/245/250/309/322/323/332/333 with code (ET2) Tele-Aid -car telephone emergency call system, 463.247/248/254/270 up to 1.4.07 with code (ET2) Tele-Aid - car telephone emergency call system	AR82.95-P-0005-03GR
	Notes regarding the Tele-Aid emergency call system	Model 463.243/244/245/250/309/322/323/332/333, Model 463.247/248/254/270 up to 1.4.07	AH82.95-P-0001-01GA
11	Read out fault memory and erase	Stored faults which may be caused by removed cables or by a simulation, must 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
12	Perform basic programming		AR00.19-P-0200P

Fig 2: Identifying Mounting Wedge (110 589 03 59 00)

Courtesy of MERCEDES-BENZ USA