A2700700587

1. [
2. {
3. "step": 1,
4. "title": "Depressurize Rail & Remove Intake Manifold",
5. "instruction": "Depressurize fuel system using Xentry scan tool or fuel pressure release valve. Remove intake manifold assembly."
6. },
7. {
8. "step": 2,
9. "title": "Detach High-Pressure Line & Rail Fasteners",
10. "instruction": "Unscrew high pressure steel line union nuts (27 N·m). Remove fuel rail hold-down bolts (14 N·m) and wiring harness connectors."
11. },
12. {
13. "step": 3,
14. "title": "Pull Injectors & Replace Teflon Ring",
15. "instruction": "Extract injectors vertically. Install new Teflon combustion ring with Mercedes installation cone tool W270589010700."
16. },
17. {
18. "step": 4,
19. "title": "Seat Rail, Torque Fasteners & Leak Test",
20. "instruction": "Insert injectors into head. Torque rail bolts to 14 N·m. Tighten steel line to 27 N·m. Perform ignition cycle and check for leaks."
21. }
22. ]

Common diagnostic trouble codes (DTCs) triggered when this common rail injector experiences wear, circuit faults, or calibration drift: