Remove/install rear door control unit - AR72.29-P-1100GN

MODEL 463.243/245/246/248/249/270/271/323/333/341 

MODEL 463.236/237/346 up to model year 2013/facelift 2012 

Fig 1: Identifying Rear Door Control Unit Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Activate service mode in Telematic Alarm Identification on Demand (emergency call system) (TELE AID)	Only on model 463.243/245, 463.248 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		AH82.95-P-0001-01GA
	Risk of explosion  caused by escaping oxyhydrogen gas. Risk of injury  caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte (contains diluted sulfuric acid) or metal spatter due to short circuit. Risk of burn  injuries caused by short circuit. Risk of poisoning  caused by swallowing battery electrolyte (contains diluted sulfuric acid) or absorption of lead over the skin or orifices	No fire, sparks, open flames or smoking. Wear acid-resistant gloves and clothing and safety glasses with side guards. Do not place any conductive objects on the battery and avoid any short circuit from battery positive to ground. Only pour liquid battery electrolyte (diluted sulfuric acid) into suitable and appropriately marked containers.	AS54.10-Z-0001-01A
2	Disconnect ground line of battery (G1)	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 (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 door liner (3) from rear door	Except model 463.236/248 with code (979) Special protection version	AR72.12-P-1010GN
		Model 463.236/248 with code (979) Special protection version, with code (ZS6) Special protection version FB6, with code (ZS7) Special protection version FB7	AR72.12-P-1010PM
4	Disconnect electrical connectors from left rear door control unit (N69/3) or right rear door control unit (N69/4)
5	Press clips (1) together and remove left rear door control unit (N69/3) or right rear door control unit (N69/4)	Installation:  Fasten lines on left rear door control unit (N69/3) or right rear door control unit (N69/4) with one cable tie. Do not cross lines, otherwise this could lead to difficulties when installing door lining (3)
6	Install in the reverse order
7	Deactivate service mode in Telematic Alarm Identification on Demand	Only on model 463.243/245, 463.248 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		AH82.95-P-0001-01GA
8	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
9	Perform basic programming		AR00.19-P-0200P