Wiring Diagram For Fully Integrated Transmission Control Unit - PE27.19-P-2103-97FBA
WARNING: This page is about a different car, the 2023 Mercedes-Benz C300, 2022 Mercedes-Benz C300, 2021 Mercedes-Benz C300, 2020 Mercedes-Benz C300, and 2019 Mercedes-Benz C300. However, it is still accessible from the selected car via links, so may be relevant.
Transmission 722.9, 724, 725 in model 205 up to model year 2019 Control unit Y3/8n4 Transmission 724, 725 in model 253 up to model year 2020 Control unit Y3/8n4
| Code: | Designation: | Position: |
|---|---|---|
| AO | Use of wiring diagrams | 72L |
| CAN C1 | Drivetrain CAN | 8K |
| CAN C1 | Drivetrain CAN | 25K |
| CAN C1 | Drivetrain CAN | 41K |
| CAN C1 | Drivetrain CAN | 56K |
| Code 421 | 9G-TRONIC PLUS | 1B |
| Code 421 | 9G-TRONIC PLUS | 1A |
| Code 421 | 9G-TRONIC PLUS | 18A |
| Code 427 | 7G-TRONIC PLUS automatic transmission | 34B |
| Code 427 | 7G-TRONIC PLUS automatic transmission | 34A |
| Code 427 | 7G-TRONIC PLUS automatic transmission | 49A |
| Code M005 | VEHICLES WITH 4MATIC/ALL-WHEEL DRIVE | 18A |
| Code ME04 | Hybrid drive 20 KW VARIANT | 18B |
| Code ME04 | Hybrid drive 20 KW VARIANT | 49A |
| Code ME04 | Hybrid drive 20 KW VARIANT | 54D |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 1B |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 35B |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 49B |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 54E |
| Code ME06 | Hybrid drive 50 KW VARIANT (INCLUDING PLUGIN) | 18B |
| Code ME06 | Hybrid drive 50 KW VARIANT (INCLUDING PLUGIN) | 49B |
| F32/4 | Vehicle interior prefuse box | 5L |
| F32/4 | Vehicle interior prefuse box | 21L |
| F32/4 | Vehicle interior prefuse box | 53L |
| F32/4f10 | Fuse 10 | 3K |
| F32/4f10 | Fuse 10 | 20K |
| F32/4f10 | Fuse 10 | 51K |
| K40/5 | Rear fuse and relay module | 38L |
| K40/5f454 | Fuse 454 | 37L |
| N73 | Electronic ignition switch control unit | 12L |
| N73 | Electronic ignition switch control unit | 29L |
| N73 | Electronic ignition switch control unit | 60L |
| U12 | Valid for left-hand drive vehicles | 37D |
| U12 | Valid for left-hand drive vehicles | 39D |
| U13 | Valid for right-hand drive vehicles | 37D |
| U13 | Valid for right-hand drive vehicles | 39D |
| W15/17 | Additional battery ground point | 38E |
| W15/17 | Additional battery ground point | 40E |
| W15/7 | Right front footwell ground point | 40F |
| W16/4 | Right major assembly compartment ground point | 38F |
| X18/35 | Cockpit wiring harness and frame floor assembly electrical connector | 12H |
| X18/35 | Cockpit wiring harness and frame floor assembly electrical connector | 28H |
| X18/35 | Cockpit wiring harness and frame floor assembly electrical connector | 59H |
| X22/4 | Transmission/frame floor assembly connecting point | 20E |
| X22/4 | Transmission/frame floor assembly connecting point | 24E |
| X30/21 | Drivetrain CAN (CAN C1) potential distributor electrical connector | 8L |
| X30/21 | Drivetrain CAN (CAN C1) potential distributor electrical connector | 25L |
| X30/21 | Drivetrain CAN (CAN C1) potential distributor electrical connector | 41L |
| X30/21 | Drivetrain CAN (CAN C1) potential distributor electrical connector | 56L |
| Y3/8 | Fully integrated transmission control, control unit | 15A |
| Y3/8 | Fully integrated transmission control, control unit | 7A |
| Y3/8 | Fully integrated transmission control, control unit | 20A |
| Y3/8 | Fully integrated transmission control, control unit | 25A |
| Y3/8 | Fully integrated transmission control, control unit | 32A |
| Y3/8 | Fully integrated transmission control, control unit | 47A |
| Y3/8 | Fully integrated transmission control, control unit | 41A |
| Y3/8 | Fully integrated transmission control, control unit | 51A |
| Y3/8 | Fully integrated transmission control, control unit | 58A |
| Y3/8 | Fully integrated transmission control, control unit | 65A |
| Y3/8b1 | Wet clutch oil pressure sensor | 43F |
| Y3/8b1 | Wet clutch oil pressure sensor | 64E |
| Y3/8b3 | Oil pressure switch D/R 1 | 64F |
| Y3/8b4 | OiI pressure switch D/R 2 | 64F |
| Y3/8b5 | Pressure sensor | 17E |
| Y3/8b5 | Pressure sensor | 33E |
| Y3/8I1 | Park pawl lift solenoid | 16E |
| Y3/8I1 | Park pawl lift solenoid | 33E |
| Y3/8I1 | Park pawl lift solenoid | 64E |
| Y3/8n1 | Turbine wheel RPM sensor | 16C |
| Y3/8n1 | Turbine wheel RPM sensor | 32C |
| Y3/8n1 | Turbine wheel RPM sensor | 47C |
| Y3/8n1 | Turbine wheel RPM sensor | 64C |
| Y3/8n2 | Internal input speed RPM sensor | 16C |
| Y3/8n2 | Internal input speed RPM sensor | 33C |
| Y3/8n2 | Internal input speed RPM sensor | 47C |
| Y3/8n2 | Internal input speed RPM sensor | 65C |
| Y3/8n3 | Output shaft RPM sensor | 16D |
| Y3/8n3 | Output shaft RPM sensor | 33D |
| Y3/8n3 | Output shaft RPM sensor | 47D |
| Y3/8n3 | Output shaft RPM sensor | 65D |
| Y3/8n4 | Fully integrated transmission control, control unit | 7A |
| Y3/8n4 | Fully integrated transmission control, control unit | 23A |
| Y3/8n4 | Fully integrated transmission control, control unit | 38A |
| Y3/8n4 | Fully integrated transmission control, control unit | 54A |
| Y3/8s1 | Selection range sensor | 47E |
| Y3/8s1 | Selection range sensor | 62G |
| Y3/8s2 | Transmission oil temperature sensor | 48E |
| Y3/8s2 | Transmission oil temperature sensor | 63G |
| Y3/8s4 | Park pawl position sensor | 16F |
| Y3/8s4 | Park pawl position sensor | 33F |
| Y3/8s4 | Park pawl position sensor | 65F |
| Y3/8y1 | Working pressure control solenoid valve | 43B |
| Y3/8y1 | Working pressure control solenoid valve | 61B |
| Y3/8y10 | D/R switchover valve | 62D |
| Y3/8y11 | Park pawl switchover valve | 61E |
| Y3/8y12 | Lubricating pressure solenoid | 13B |
| Y3/8y12 | Lubricating pressure solenoid | 30B |
| Y3/8y13 | K81 clutch control solenoid | 15B |
| Y3/8y13 | K81 clutch control solenoid | 32B |
| Y3/8y14 | K38 clutch control solenoid | 13B |
| Y3/8y14 | K38 clutch control solenoid | 30B |
| Y3/8y15 | K27 clutch control solenoid | 15B |
| Y3/8y15 | K27 clutch control solenoid | 32B |
| Y3/8y16 | B08 multidisk brake control solenoid | 13C |
| Y3/8y16 | B08 multidisk brake control solenoid | 30C |
| Y3/8y17 | B05 multidisk brake control solenoid | 15C |
| Y3/8y17 | B05 multidisk brake control solenoid | 32C |
| Y3/8y18 | B06 multidisk brake control solenoid | 13D |
| Y3/8y18 | B06 multidisk brake control solenoid | 30D |
| Y3/8y19 | Working pressure solenoid | 15D |
| Y3/8y19 | Working pressure solenoid | 32D |
| Y3/8y2 | Clutch control solenoid valve K1 | 46B |
| Y3/8y2 | Clutch control solenoid valve K1 | 62B |
| Y3/8y20 | Torque converter lockup clutch solenoid | 13D |
| Y3/8y20 | Torque converter lockup clutch solenoid | 30D |
| Y3/8y3 | Clutch control solenoid valve K2 | 43B |
| Y3/8y3 | Clutch control solenoid valve K2 | 61B |
| Y3/8y4 | Clutch control solenoid valve K3 | 46B |
| Y3/8y4 | Clutch control solenoid valve K3 | 62B |
| Y3/8y5 | Multidisk brake control solenoid valve B1 | 43C |
| Y3/8y5 | Multidisk brake control solenoid valve B1 | 61C |
| Y3/8y6 | Multidisk brake control solenoid valve B2 | 46C |
| Y3/8y6 | Multidisk brake control solenoid valve B2 | 62C |
| Y3/8y7 | Multidisk brake control solenoid valve B3 | 43D |
| Y3/8y7 | Multidisk brake control solenoid valve B3 | 61D |
| Y3/8y8 | Torque converter lockup clutch control solenoid valve | 46E |
| Y3/8y9 | Wet clutch control solenoid valve | 43E |
| Y3/8y9 | Wet clutch control solenoid valve | 61D |