Remove/Install Electrohydraulic Controller Unit (Transmission Installed) - AR27.19-P-0200EWM

Transmission 725.0 in model 166, 167, 172, 205, 207, 212, 213, 217, 218, 222, 231, 238, 253, 257, 290, 292 

Transmission 725.0 in model 463 

as of model year 2019 

Transmission 725.1 in model 213, 238, 257 

Example illustration 

Courtesy of MERCEDES-BENZ USA

Example illustration 

Courtesy of MERCEDES-BENZ USA

	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	Risk of injury  to skin and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil	Wear protective gloves, protective clothing and safety glasses. Do not pour transmission oil into beverage bottles.	AS00.40-Z-0001-01A
	Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
	Notes on automatic transmission		AH27.19-P-0001-01NKB
	Remove/install
1	Remove oil pan from automatic transmission.	Transmission 725.0 in model 167	AR27.10-P-7031MSC
		Transmission 725.0 in model 463 as of model year 2019	AR27.10-P-7031XG
		Transmission 725.0 in model 166, 292	AR27.10-P-7031EWM
		Transmission 725.0 in model 172, 207, 231	AR27.10-P-7030EWM
		Transmission 725.0 in model 212, 218	AR27.10-P-7030AVG
		Transmission 725.0 in model 217, 222	AR27.10-P-7030LF
		Transmission 725.0 in model 205, 253	AR27.10-P-7030LW
		Transmission 725.0/1 in model 257	AR27.10-P-7031MSA
		Transmission 725.0/1 in model 213, 238	AR27.10-P-7030OLC
		Transmission 725.0 in model 290	AR27.10-P-7031MNI
		: Replace oil pan of automatic transmission.
2	Release and disconnect electrical connector from transmission connector (4).	: Clean transmission connector (4) and connector coupling at fully integrated transmission control controller unit (Y3/8). Assembly cleaner	*BR00.45-Z-1028-04A
3	Remove screw (3).	Screw/bolt, auxiliary oil pump to transmission housing	*BA27.19-P-1003-01D
4	Unscrew screws (2) and remove fully integrated transmission control controller unit (Y3/8).	If the fully integrated transmission control controller unit (Y3/8) is seized, cover sealing surfaces and pry off from transmission housing (1) using a suitable tool. Otherwise, the fully integrated transmission control controller unit (Y3/8) and the sealing surfaces on the transmission housing (1) become damaged. : Make sure that the contact pins (6) of the selector lever lock are not damaged. Otherwise, malfunctions will occur with the selector lever lock. : Insert plain couplers (7a, 7b) into fully integrated transmission control controller unit (Y3/8). Screw/bolt, electrohydraulic controller unit to transmission housing	*BA27.19-P-1001-01D
5	Clean plain couplers (7a, 7b), sealing ring (4a) and the area surrounding them.	Assembly cleaner	*BR00.45-Z-1028-04A
6	Check plain couplers (7a, 7b) and sealing ring (4a) for damage.	If damage is found, ↓ Replace plain couplers (7a, 7b) and sealing ring (4a).
7	Install in the reverse order.
	Check
8	Connect vehicle diagnosis system, read out fault memory, and delete.	Transmission 725.0 in model 167	AD00.00-P-2000-06ME
		Transmission 725.0 in model 257, 290 Transmission 725.1 in model 257	AD00.00-P-2000-06FR
		Transmission 725.0 in model 166, 172, 207, 212, 218, 231, 292	AD00.00-P-2000-04A
		Transmission 725.0 in model 205, 213, 217, 222, 253 Transmission 725.0 in model 463 as of model year 2019 Transmission 725.1 in model 213	AD00.00-P-2000-04B
		Transmission 725.0/1 in model 238	AD00.00-P-2000-06LWO
9	Perform transmission adaptation with vehicle diagnosis system.	Transmission 725.0 in model 167	AD00.00-P-2000-06ME
		Transmission 725.0 in model 257, 290 Transmission 725.1 in model 257	AD00.00-P-2000-06FR
		Transmission 725.0 in model 166, 172, 207, 212, 218, 231, 292	AD00.00-P-2000-04A
		Transmission 725.0 in model 205, 213, 217, 222, 253 Transmission 725.0 in model 463 as of model year 2019 Transmission 725.1 in model 213	AD00.00-P-2000-04B
		Transmission 725.0/1 in model 238	AD00.00-P-2000-06LWO