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Home >> Mercedes Benz >> 2017 >> GLS450 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Complete Engine - 166 Chassis 1 Of 2 >> Testing & Repair >> Disconnect Engine Wiring Harness For Removal Of Engine - AR01.00-P-2410-03GQC

Disconnect Engine Wiring Harness For Removal Of Engine - AR01.00-P-2410-03GQC

Engine 276.8 in model 166, 292 

BATTERY

Number Designation Model 166 Model 292
BA54.10-P-1002-01C Nut, circuit 30 in prefuse box Nm 15 15
BATTERY

Number Designation Model 166 Model 292
BA54.10-P-1017-01C Nut, ground cable to body Nm 18 16
  1. Remove air inlet box upper section on the right (8).
  2. Remove prefuse box (11) cover.
  3. Open cable duct on suspension strut support fastening console.
  4. TORQUE SPECIFICATION Detach alternator/starter wiring harness (9) and electric steering wiring harness (10) at prefuse box.
  5. Disconnect Electrical connection (12) for electric steering.
  6. Unclip wiring harness (9, 10) on fuse box and on longitudinal member reinforcement at the front.
  7. TORQUE SPECIFICATION Detach ground line for electric steering on longitudinal member reinforcement at the right front.
  8. TORQUE SPECIFICATION Detach engine ground line at longitudinal member reinforcement at front left.
    G11973757Courtesy of MERCEDES-BENZ USA
  9. Disconnect electrical connection for electrical wiring harnesses (16, 17) on ME-SFI control unit (N3/10).
  10. Disconnect electrical connection from electrical wiring harness (13) on engine.
  11. Disconnect electrical connection for transmission wiring harness (15) on engine.
  12. Unclip electrical wiring harness (14, 15) on bracket and place to one side.
  13. Engine 276.8 in model 292 Unclip electrical lines (13, 14, 15, 17) on bracket for the vacuum pump.
    G11973758Courtesy of MERCEDES-BENZ USA
  14. Engine 276.8 in model 166 (except 166.063), 292

    Disconnect electrical connections (15a) on transfer case and unclip.

  15. Engine 276.8 in model 166.063

    Disconnect and unclip electrical connections at electrical vacuum pump for electrical vacuum pump and electrical A/C compressor and place to one side.

  16. Engine 276.8 in model 166.063

    TORQUE SPECIFICATION Detach potential line of electrical A/C compressor at longitudinal member reinforcement at the front left and place to one side.

  17. Engine 276.8 in model 166.063

    TORQUE SPECIFICATION Detach ground line at longitudinal member reinforcement at the front right to the engine and place to one side.

    G11973759Courtesy of MERCEDES-BENZ USA