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

Engine 177 in model 463 

as of model year 2019 

Courtesy of MERCEDES-BENZ USA

1. Unclip retaining clips (3).
2. Remove screw/bolt (1) .
3. Release and disconnect electrical connectors of cylinder 5 to 8 fuel injectors (Y76/5, Y76/6, Y76/7, Y76/8).
4. Release and disconnect electrical connector of cylinder 8 exhaust CAMTRONIC actuator (Y49/18).
5. Release and disconnect electrical connector of cylinder 8 intake CAMTRONIC actuator (Y49/17).
6. Release and disconnect electrical connector of cylinder 5 exhaust CAMTRONIC actuator (Y49/16).
7. Release and disconnect electrical connector of cylinder 5 intake CAMTRONIC actuator (Y49/15).
8. Release and disconnect electrical connector of left fuel pressure and temperature sensor (B42/2).
9. Release and disconnect electrical connector of left purging pressure sensor (B108/1).
10. Release and disconnect electrical connector of right purging pressure sensor (B108/2).
11. Release and disconnect electrical connector of left gasoline particulate filter differential pressure sensor (B163/5).
12. Release and disconnect electrical connector of left exhaust camshaft Hall sensor (B6/6).
13. Release and disconnect electrical connector of left intake camshaft Hall sensor (B6/4).
14. Release and disconnect electrical connector of left charge air temperature sensor (B17/14).
15. Release and disconnect electrical connector of pressure sensor downstream of left throttle valve (B28/22).
16. Release and disconnect electrical connector of pressure sensor upstream of left throttle valve (B28/20).
17. Release and disconnect electrical connector of left intake camshaft adjustment solenoid (Y49/4).
18. Release and disconnect electrical connector of left exhaust camshaft adjustment solenoid (Y49/6).
19. Release and disconnect electrical connector (30) and unclip from cylinder head cover.
20. Remove screw/bolts (2)
21. Connect in reverse order.