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Home >> Mercedes Benz >> 2021 >> G63 AMG >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Electrical System - Engine - 463 Chassis >> Testing & Repair >> Disconnect/Connect Engine Wiring Harness To Remove Left Cylinder Head Cover >> Disconnect/Connect Engine Wiring Harness To Remove Left Cylinder Head Cover - AR15.18-P-1000-07XGA

Disconnect/Connect Engine Wiring Harness To Remove Left Cylinder Head Cover - AR15.18-P-1000-07XGA

Engine 176 in model 463 

as of model year 2019 

GROUND STRAP

Number Designation Engine 176
BA15.10-P-1003-05F Bolt, engine wiring harness ground to cylinder head cover Nm 9
ENGINE WIRING HARNESS

Number Designation Engine 176
BA15.18-P-1001-01G Bolt, engine wiring harness to cylinder head cover Nm 9
G13656606Courtesy of MERCEDES-BENZ USA
  1. Remove screw/bolts (2) TORQUE SPECIFICATION .
  2. Remove screw (1) of ground line TORQUE SPECIFICATION .
  3. Release and disconnect electrical connector of left quantity control valve (Y94/1).
  4. Release and disconnect electrical connector of ignition coil for cylinders 5+6 (T4/2).
  5. Release and disconnect electrical connector of ignition coil for cylinders 7+8 (T4/3).
  6. Release and disconnect electrical connector (6) to knock sensor 4 (A16/4).
  7. Release and disconnect electrical connector of left intake camshaft Hall sensor (B6/4).
  8. Release and disconnect electrical connector of left exhaust camshaft Hall sensor (B6/6).
  9. Release and disconnect electrical connector of left charge air temperature sensor (B17/14).
  10. Release and disconnect electrical connector of pressure sensor downstream of left throttle valve (B28/22).
  11. Release and disconnect electrical connector of left intake camshaft adjustment solenoid (Y49/4).
  12. Release and disconnect electrical connector of left exhaust camshaft adjustment solenoid (Y49/6).
  13. Release and disconnect electrical connector of right purging pressure sensor (B108/2).
  14. Release and disconnect electrical connector of left throttle valve actuator (M16/60).
  15. Release and disconnect electrical connector of pressure sensor upstream of left throttle valve (B28/20).
  16. Release and disconnect electrical connector of left overrun mode bypass air switchover valve (Y101/1).
  17. Release and disconnect electrical connector of cylinder 5 intake CAMTRONIC actuator (Y49/15).
  18. Release and disconnect electrical connector of cylinder 5 exhaust CAMTRONIC actuator (Y49/16).
  19. Release and disconnect electrical connector of cylinder 8 intake CAMTRONIC actuator (Y49/17).
  20. Release and disconnect electrical connector of cylinder 8 exhaust CAMTRONIC actuator (Y49/18).
  21. Unclip Engine wiring harness at retaining clips (3) from cylinder head cover.
  22. Remove Engine wiring harness in the direction of the arrow.
  23. Place Engine wiring harness to one side.
  24. Connect in reverse order.