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Home >> Mercedes Benz >> 2021 >> GLS63 AMG >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electrical System - Engine - 167 Chassis >> Testing & Repair >> Disconnect/Connect Engine Wiring Harness To Remove Engine >> Disconnect/Connect Engine Wiring Harness To Remove Engine - AR15.18-P-1000-05MSC

Disconnect/Connect Engine Wiring Harness To Remove Engine - AR15.18-P-1000-05MSC

Engine 256.9 In Model 167 

FUSE AND RELAY BOX

Number Designation Model 167
BA54.15-P-1001-01L Nut, positive line to Engine compartment/vehicle interior prefuse box M6 Nm 8
M8 Nm 16
  1. Release and disconnect electrical connector (2, 3) and remove electrical wiring harness (1) from the Engine.
  2. Release and disconnect electrical connector (4) and unclip electric line (5).
  3. Release and disconnect electrical connector (7) and remove electric line (6) from coolant pump.
  4. Release and disconnect electrical connectors (9, 11).
  5. Release and disconnect electrical connector (10) and unclip wiring harness.
  6. Remove electric lines (8) from Engine compartment 48 V onboard electrical system fuse box (F153/2) TORQUE SPECIFICATION .
  7. Remove brackets (12, 13).
  8. Remove Engine compartment 48 V on-bard electrical system fuse box (F153/2) from the bracket and fasten with electrical wiring harness to the Engine.
    G14790217Courtesy of MERCEDES-BENZ USA