LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mercedes Benz >> 2021 >> CLA35 AMG >> Repair and Diagnosis (Single Page) >> Transmission >> Transmission Control Systems >> Automatic Transmission (1 Of 2) -- 118 Chassis >> Testing & Repair >> Remove/Install Electrohydraulic Controller Unit (Transmission Installed) >> Remove/Install Electrohydraulic Controller Unit (Transmission Installed) - AR27.19-P-0200MFA
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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

Transmission 724.1 in model 118, 177, 247 

G16049701Courtesy of MERCEDES-BENZ USA
Fig 1: Electrohydraulic Controller Unit Components Location - Transmission 724.1 In Model 118
G16049702Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury.  Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
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 Perform commissioning of dual clutch transmission fully integrated transmission control electrohydraulic controller unit (Y3/14). If the dual clutch transmission fully integrated transmission control electrohydraulic controller unit (Y3/14) is replaced.  
REFER TO SELF DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06MFA
2 Remove oil pan (1) from transmission (3).   AR27.10-P-7032MFA 
3 Release and disconnect electrical connector (7) on dual clutch transmission fully integrated transmission control electrohydraulic controller unit (Y3/14) then set aside.    
4 Remove screws (5) of dual clutch transmission fully integrated transmission control electrohydraulic controller unit (Y3/14). IMPORTANT The bolts (5) on the dual clutch transmission fully integrated transmission control electrohydraulic controller unit (Y3/14) all have a Torx® 30 bolt head
INSTALLATION IMPORTANT : Replace screw/bolts (5)
TORQUE SPECIFICATION Bolt, shift valve housing
*BA27.19-P-1002-01E 
5 Remove dual clutch transmission fully integrated transmission control electrohydraulic controller unit (Y3/14).    
REFER TO CAPACITIES & SPECIFICATIONS Automatic transmission fluids (ATF) (specification 236.22) INSTALLATION IMPORTANT : Replace sealing rings of dual clutch transmission fully integrated transmission control electrohydraulic controller unit (Y3/14) and moisten with transmission oil. BB00.40-P-0236-22A
6 Remove oil filter (4). INSTALLATION IMPORTANT : Replace oil filter (4).  
7 Check sealing ring (8) of electrical connector (7) for damage. If damage occurs

Replace sealing ring (8) of electrical connector (7).
 
8 Install in the reverse order.    
  Concluding tasks     
9 Connect vehicle diagnosis system, read out fault memory, and delete.    
REFER TO SELF DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06MFA
10 Check oil level of transmission (3) and correct if necessary.   AR27.00-P-0104MFA 
ELECTROHYDRAULIC CONTROLLER UNIT

Number Designation Transmission 724.1
BA27.19-P-1002-01E Bolt, shift valve housing to oil distributor plate M5x35 Stage 1 Nm 3
Stage 2 ∠° 60
housing to transmission M5x60 Stage 1 Nm 3
Stage 2 ∠° 60
M6x65   Nm 8