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

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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 

G14546776Courtesy of MERCEDES-BENZ USA

Example illustration 

Fig 1: Electrohydraulic Controller Unit Components Location - Transmission 725.0 In Model 253
G14546777DANGERCAUTIONCAUTIONREMOVINGINSTALLINGINSTALLATION IMPORTANTINSTALLATION IMPORTANTTORQUE SPECIFICATIONNOTESINSTALLATION NOTESINSTALLATION NOTESTORQUE SPECIFICATIONINSPECTREFER TO SELF-DIAGNOSTIC SYSTEMSREFER TO SELF-DIAGNOSTIC SYSTEMSREFER TO SELF-DIAGNOSTIC SYSTEMSREFER TO SELF-DIAGNOSTIC SYSTEMSREFER TO SELF-DIAGNOSTIC SYSTEMSREFER TO SELF-DIAGNOSTIC SYSTEMSREFER TO SELF-DIAGNOSTIC SYSTEMSREFER TO SELF-DIAGNOSTIC SYSTEMSREFER TO SELF-DIAGNOSTIC SYSTEMSREFER TO SELF-DIAGNOSTIC SYSTEMSCourtesy of MERCEDES-BENZ USA
DANGER 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
CAUTION 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
CAUTION 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
Notice Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
Notice Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
Notice Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Notice 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
REMOVINGINSTALLING 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
INSTALLATION IMPORTANT : Replace oil pan of automatic transmission.		 AR27.10-P-7031MNI
2 Release and disconnect electrical connector from transmission connector (4). INSTALLATION IMPORTANT : 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). TORQUE SPECIFICATION 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). NOTES 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.
INSTALLATION NOTES : Make sure that the contact pins (6) of the selector lever lock are not damaged.
Otherwise, malfunctions will occur with the selector lever lock.
INSTALLATION NOTES : Insert plain couplers (7a, 7b) into fully integrated transmission control controller unit (Y3/8).		  
    TORQUE SPECIFICATION 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.    
INSPECT Check     
8 Connect vehicle diagnosis system, read out fault memory, and delete.    
REFER TO SELF-DIAGNOSTIC SYSTEMS   Transmission 725.0 in model 167 AD00.00-P-2000-06ME
REFER TO SELF-DIAGNOSTIC SYSTEMS   Transmission 725.0 in model 257, 290
Transmission 725.1 in model 257		 AD00.00-P-2000-06FR
REFER TO SELF-DIAGNOSTIC SYSTEMS   Transmission 725.0 in model 166, 172, 207, 212, 218, 231, 292 AD00.00-P-2000-04A
REFER TO SELF-DIAGNOSTIC SYSTEMS   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
REFER TO SELF-DIAGNOSTIC SYSTEMS   Transmission 725.0/1 in model 238 AD00.00-P-2000-06LWO
9 Perform transmission adaptation with vehicle diagnosis system.    
REFER TO SELF-DIAGNOSTIC SYSTEMS   Transmission 725.0 in model 167 AD00.00-P-2000-06ME
REFER TO SELF-DIAGNOSTIC SYSTEMS   Transmission 725.0 in model 257, 290
Transmission 725.1 in model 257		 AD00.00-P-2000-06FR
REFER TO SELF-DIAGNOSTIC SYSTEMS   Transmission 725.0 in model 166, 172, 207, 212, 218, 231, 292 AD00.00-P-2000-04A
REFER TO SELF-DIAGNOSTIC SYSTEMS   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
REFER TO SELF-DIAGNOSTIC SYSTEMS   Transmission 725.0/1 in model 238 AD00.00-P-2000-06LWO
ELECTROHYDRAULIC CONTROLLER UNIT

Number Designation Transmission 725.0/1
BA27.19-P-1001-01D Screw/bolt, electrohydraulic controller unit to transmission housing Stage 1 Nm 4
Stage 2 ∠° 90
ELECTROHYDRAULIC CONTROLLER UNIT

Number Designation Transmission 725.0/1
BA27.19-P-1003-01D Screw/bolt, auxiliary oil pump to transmission housing Stage 1 Nm 4
Stage 2 ∠° 90
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1028-04A Assembly cleaner A 000 986 56 01
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