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Home >> Mercedes Benz >> 2008 >> GL320 4WD >> Repair and Diagnosis >> Electrical >> Body Electrical >> Connectors & Contact Pins -- 164 Chassis >> Basic Knowledge >> Location and assignment of ground points - GF00.19-P-2000MAA >> Location and assignment of ground points, engine compartment, left - GF00.19-P-2000-01MAA

Location and assignment of ground points, engine compartment, left - GF00.19-P-2000-01MAA

Fig 1: Identifying Engine Compartment, Ground Points (Left) (1 Of 2)
G05259714Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 2: Identifying Engine Compartment, Ground Points (Left) (2 Of 2)
G05259715Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Ground point Designation Component Designation Plug Pin
W9 Ground (left front, at lamp unit) → A6 STH heater unit 2.2
  Xenon → E1 Left front headlamp unit S3.1
        S3.4
    → E1 Left front headlamp unit S1.1
        S2.1
    → E1e3 Left standing and parking lamp S4.1
    → E1e2 Left low beam S1.1
    → E1e6 Left side marker lamp S5.1
    → M5/2 HCS [SRA] pump 2
    → M13 Coolant circulation pump 2
    → S62 ATA [EDW] hood switch 1
    → Y16 STH switchover valve 2
    → Z60/4 Front fog lamp wiring harness connector sleeve (circuit 31)  
W11 Ground (engine - electrical line connected)      
  M156 → C4/2 Radio interference suppression capacitor 2 2
  M272, M273 → M33 Electric air pump 2
  M642 → N14/3 Glow time output stage 2.6
  M629 → N14/3 Glow time output stage 1.6
  M156 → S43 Oil level check switch 1
  M156 → T1/1 Cylinder 1 ignition coil 3
  M156 → T1/2 Cylinder 2 ignition coil 3
  M156 → T1/3 Cylinder 3 ignition coil 3
  M156 → T1/4 Cylinder 4 ignition coil 3
W11/3 Ground (engine, left)      
  M113 → C4 Radio interference suppression capacitor 1
  M113 → M33 Electric air pump 2
W11w1 Ground (engine - electrical line connected), left cylinder bank      
  M272, M273 → C4/2 Radio interference suppression capacitor 2 2
  M272 → T1/4 Cylinder 4 ignition coil 3
  M272, M273 → T1/5 Cylinder 5 ignition coil 3
  M272, M273 → T1/6 Cylinder 6 ignition coil 3
  M273 → T1/7 Ignition coil cylinder 7 3
  M273 → T1/8 Ignition coil cylinder 8 3
W16/3 Ground (left assembly compartment, power ground)      
  M272, M273 → N3/10 ME control unit F.2
        F.4
        F.6
  USA → H3 Alarm signal horn 2
  except USA → H3/1 Alarm signal siren 2
    → M6/1 Wiper motor 3
  as of 09/06 → R2/1 Center washer nozzle heater 1
  as of 09/06 → R2/2 Left heated windshield washer nozzle 1
  as of 09/06 → R2/3 Right washer nozzle heater 1
  M272, M273 → Z6 Ground connector sleeve  
  M272, M273 → Z6/99 Transmission circuit 31 connector sleeve  
  up to 08/06 → Z108/1 Circuit 31 washer nozzle heater connector sleeve  
W70 Ground (ESP) → N47-5 ESP control unit 16
        47