Remove/install electrohydraulic controller unit (transmission installed) - AR27.19-P-0200NKB
TRANSMISSION 724.0 in MODEL 117, 156, 176, 242, 246
Shown on vehicle with ENGINE 270
| 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 | |
| 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 automatic transmission | AH27.19-P-0001-01NKB | ||
| Remove/install | |||
| 1 | Switch off ignition and remove transmitter key | ||
| 2 | Unclip ME-SFI [ME] control unit or CDI control unit and place to one side with attached lines | Engine 607 in model 156, 176, 246 with transmission 724.0 | AR07.08-P-7008ORA |
| Engine 133 in model 117, 156, 176 with transmission 724.0 Engine 270 in model 117, 156, 176, 242, 246.2 with transmission 724.0 |
AR07.08-P-7008MT | ||
| Engine 651 in model 117, 156, 176, 246 with transmission 724.0 | AR07.08-P-7008OLB | ||
| 3 | Remove engine air intake duct in front of air filter housing together with air filter housing | Engine 133 in model 117, 156, 176 with transmission 724.0 | AR09.10-P-1150MTA |
| Engine 607 in model 156, 176, 246 with transmission 724.0 | AR09.10-P-1150ORA | ||
| Engine 270 in model 117, 156, 176, 242, 246.2 with transmission 724.0 | AR09.10-P-1150MT | ||
| Engine 651 in model 117, 156, 176, 246 with transmission 724.0 | AR09.10-P-1150OLB | ||
| 4 | Detach upper electrical connection (7) from dual clutch transmission fully integrated transmission control controller unit (Y3/14) and set aside | ||
| 5 | Remove left charge air hose | Engine 270 in model 117, 156, 176, 242, 246 with transmission 724.0 | AR09.41-P-1311-01AL |
| Engine 607 in model 156, 176, 246 with transmission 724.0 | AR09.41-P-8619ORA | ||
| Engine 133 in model 117, 156, 176 with transmission 724.0 | AR09.41-P-8619MTA | ||
| Engine 651 in model 117, 156, 176, 246 with transmission 724.0 | AR09.41-P-8619OLB | ||
| 6 | Remove bottom engine compartment paneling | Model 117, 176 with engine 133 with transmission 724.0 Model 117, 176, 242, 246 with engine 270 with transmission 724.0 Model 156 with transmission 724.0 |
AR61.20-P-1105NKB |
| Model 117, 156, 176, 246 with engine 607 with transmission 724.0 Model 117, 176, 246 with engine 651 with transmission 724.0 |
AR94.30-P-5300NKB | ||
| 7 | Drain transmission oil | ||
| AP27.00-P-2702NK | |||
| 8 | Unscrew bolts (2) and remove transmission oil pan (1) from transmission (3) | AR27.10-P-7030NKB | |
| 9 | Remove oil filter (4) | ||
| AP27.00-P-2702NK | |||
| 10 | Disconnect lower electrical connection from dual clutch transmission fully integrated transmission control controller unit (Y3/14) and set aside | ||
| 11 | Remove bolts (5) of dual clutch transmission fully integrated transmission control controller unit (Y3/14) | ||
| *BA27.19-P-1001-01B | |||
| 12 | Detach electrical connection from lift solenoid for park pawl to dual clutch transmission fully integrated transmission control controller unit (Y3/14) and remove dual clutch transmission fully integrated transmission control controller unit (Y3/14) | ||
| 13 | Check pilot bushings (8) for damage and correct seating in dual clutch transmission fully integrated transmission control controller unit (Y3/14) | ||
| 14 | Check O-rings for damage and correct seating in dual clutch transmission fully integrated transmission control controller unit (Y3/14) and correct or replace if necessary | ||
| Automatic transmission fluid (ATF) (specification 236.21) | Automatic transmission fluid (ATF, Specification 236.21). See https://bevo.mercedes-benz.com/index.php?language_id=1 | ||
| 15 | Install in the reverse order | ||
| 16 | Check oil level of transmission (3) and correct if necessary | AR27.00-P-0100NKB | |
| 17 | Read out fault memory and erase if necessary | ||
| AD00.00-P-2000-04A | |||
| 18 | Perform transmission adaptation After replacing or repairing the transmission. | ||
| Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | |
| 19 | Perform engine test run and check transmission (3) for leaktightness and proper operation |
ELECTROHYDRAULIC CONTROLLER UNIT
| Number | Designation | Transmission 724.0 | ||
|---|---|---|---|---|
| BA27.19-P-1001-01B | Bolt, electrohydraulic controller unit to transmission housing | Stage 1 | Nm | 4 |
| Stage 2 | ∠° | 180 | ||