General Electrical System - Repair

• Safety And General Information
  • 00 Safety information for working on vehicles with automatic engine start-stop function (MSA)
    • Notes
    • MSA function is deactivated by
    • When working with diagnosis tools
  • 61 00... Diagnosis for Condition Based Service
    • Notes
    • Service Function: Transport Mode/Pre-delivery check
    • Service Function: CBS correction, tester data
    • Service Function: Reset CBS Condition Based Service
    • Service Function: CBS vehicle data correction
  • 61 13... Notes for opening contacts and locks of different plug contact systems
  • 61 00... Notes on handling optical fibres
  • 61 00... Notes on handling the high pressure cleaner
  • 61 00... Notes on handling wiring harnesses and cables
  • 12 00... Notes/information on start assistance (jump starting)
    • Notes
    • Preparation
    • Operation
  • 61 00... Program/encode the control unit(s)
  • 61 00... Repairing airbag cables
    • Notes
    • In event of non-visible damage to wiring harness
    • In event of visible damage
  • 61 13... Treating cables and optical fibres
    • Notes
    • Subject of repair instructions
  • 61 13... Unlocking and disconnecting different plug connections
• Wiring Harness
  • 61 11... Installing repair cable for left Side View camera
  • 61 11... Installing repair cable for reversing camera
  • 61 11... Installing repair cable for right Side View camera
  • 61 13... Special tools for wiring harness repairs
    • Repair range, vehicle electrical system
    • Release and press-out tool
    • Cutting to length and stripping insulation from cables
    • Crimping stop parts (small contacts) and butt connectors
    • Crimping stop parts (large contacts) and butt connectors
• Auxiliary Cable
  • 61 12 013 Replacing battery negative lead
  • 61 12 002 Replacing positive battery cable (from battery to luggage compartment cable connector)
  • 61 12 062 Replacing wiring harness for front bumper
  • 61 12 200 Replacing wiring harness in left or right front door
• Plug Connection, Terminal, Fuse Box
  • 61 13... Notes for opening contacts and locks of different plug contact systems
    • Notes
    • Repair instructions for opening connector housings and removing contacts of different connector systems:
      • Notes
      • 61 13... Circular connector, 13-pin, system D2.5
      • 61 13... Circular connector, 20-pin, system D2.5
      • 61 13... Circular connector, 7-pin, 8-pin, system D2.5
      • 61 13... Circular plugs, 4-, 7-, 10- 12-, 25-pin, System D1.5/D2.5
      • 61 13... Connector housing, LCC contact (load current contact)
      • 61 13... Control unit plugs, 25-, 35-, 55-, 83-, 88-pin
      • 61 13... In-line connectors, 30-pin, Hybrid System MQS/MPQ
        • Notes
        • Socket housing
        • Pin housing
      • 61 13... In-line connectors, 30-pin, System D2.5
      • 61 13... In-line plugs, 2-pin, System JPT ELA
      • 61 13... In-line plugs, 2-pin, System MDK 3 plus 2.8
      • 61 13... In-line plugs, 20-pin, System D2.5
      • 61 13... In-line plugs, 24-pin, Hybrid System MQS/MPQ
        • Notes
        • Socket housing
        • Pin housing
      • 61 13... In-line plugs, 4-pin, System DFK ELA
        • Notes
        • Installation notes
      • 61 13... In-line plugs, 6- to 50-pin, System Elo
      • 61 13... Inline connectors, 15-pin, System D2.5
      • 61 13... Inline connectors, 6-, 8-pin, System MQS
      • 61 13... Inline plugs, 2-pin, System MPQ 2.8
      • 61 13... Inline plugs, 3-, 6-pin, System Elo-Power 2.8
      • 61 13... Inline plugs, 4-, 10-pin, System Elo
      • 61 13... Inline plugs, 8-, 12-pin, System D2.5
      • 61 13... Socket housing (radio connector), Hybrid System MQS/MPQ
        • Notes
        • Removing MPQ contacts from radio connector
        • Removing MQS contacts from contact carrier
        • Removing MPQ contacts from contact carrier
      • 61 13... Socket housing 42-, 43-pin, Hybrid System MQS/MPQ
      • 61 13... Socket housings, 2x21-, 2x27-pin, Hybrid Systems MQS/MPQ, Elo/Elo Power
      • 61 13... Socket housings, 5-pin, 8-pin, System MQS/MPQ
  • 61 13... Butt connector for repairing a plug connection
  • 61 13... Crimping Micro Power Quadlock contacts (MPQ)
  • 61 13... Crimping Micro Quadlock System contacts (MQS)
  • 61 13... Crimping optical fibres
  • 61 13... Crimping stop parts
    • Notes
    • Checking crimping
  • 61 13... Cutting off, stripping insulation and cutting optical fibres to length
    • Notes
    • Cutting optical fibre
    • Stripping insulation from optical fibre
    • Cutting optical fibre to length
  • 61 13... Cutting to length and stripping insulation from cables
  • 61 13... Installing comb connector for retrofitting/repairs
    • Notes
    • Installation in wet area (engine compartment, wheel arch)
    • Installation in dry area (interior, luggage compartment)
  • 61 00... Notes on handling optical fibres
  • 61 00... Notes on handling wiring harnesses and cables
  • 61 13 050 Removing and installing/replacing power distribution box in passenger compartment
  • 61 00... Repairing airbag cables
    • Notes
    • In event of non-visible damage to wiring harness
    • In event of visible damage
  • 61 13 042 Replacing power distribution box (luggage compartment)
  • 61 13... Special tools for wiring harness repairs
    • Repair range, vehicle electrical system
    • Release and press-out tool
    • Cutting to length and stripping insulation from cables
    • Crimping stop parts (small contacts) and butt connectors
    • Crimping stop parts (large contacts) and butt connectors
  • 61 13... Treating cables and optical fibres
    • Notes
    • Subject of repair instructions
  • 61 13... Unlocking and disconnecting different plug connections
• Distribution Box, Power Support Points
  • 61 14 010 Removing and installing/renewing power distribution box (on battery)
• Battery
  • 61 20... (Safety) information on AGM battery
    • Notes
    • Introduction
    • Service life of AGM batteries
    • Brief component description
    • Notes for Service department
  • 61 00... Battery
    • Notes
    • Battery care and maintenance
    • Battery test
  • 61 20... Battery charge
  • 61 20... Battery replacement information
    • Notes
    • Vehicles with energy management systems (IBS, power module): Register battery replacement
  • 61 20 900 Disconnecting and connecting battery negative lead
  • 61 12... General information on intelligent battery sensor (IBS)
  • 61 00... Notes for disconnecting and connecting battery
    • Notes
    • Before disconnecting battery
    • General notes on disconnecting battery
    • After connecting battery
  • 12 00... Notes/information on start assistance (jump starting)
    • Notes
    • Preparation
    • Operation
  • 61 20 503 Vehicle battery - closed-circuit current monitoring
  • 61 21 028 Charge battery
  • 61 20 908 Carrying out battery "power reset"
  • 61 21 010 Remove and install or replace battery
• Switch
  • 61 31 996 Carrying out steering angle sensor adjustment
  • 61 31.. Overview of switches in center console/storage compartment
  • 51 42... Punching contour for seat memory switch into rear door trim panel
  • 61 31 195 Removing and installing (replacing) front controller
  • 61 31 196 Removing and installing (replacing) rear controller
  • 61 31 122 Removing and installing/replacing tow hitch switch
  • 61 31 041 Removing and installing operating element for assist system
  • 61 31 174 Removing and installing operating unit for additional seat functions
  • 61 31... Removing and installing operating unit for additional seat functions (rear passenger compartment)
  • 61 31 334 Removing and installing or replacing grip cover for gear selector switch
  • 61 31 321 Removing and installing radio and A/C control panel
  • 61 31 008 Removing and installing steering column switch cluster
  • 61 31 233 Removing and installing/renewing Lane Departure Warning engine electrical system (TLC actuator)
  • 61 31 137 Removing and installing/renewing USB interface connecting socket (version 1)
  • 61 31 137 Removing and installing/renewing USB interface connecting socket (version 2)
  • 61 31 062 Removing and installing/renewing button for steering wheel heating
  • 61 31 197 Removing and installing/renewing center console operating facility
  • 63 21 176 Removing and installing/renewing chrome trim on left or right rear light
  • 61 31 035 Removing and installing/renewing steering column adjustment switch
  • 61 31 231 Removing and installing/renewing steering wheel module control unit
  • 61 31 133 Removing and installing/replacing AV connection socket
  • 61 31 014 Removing and installing/replacing Start/Stop switch
  • 61 31 134 Removing and installing/replacing USB audio interface connecting socket
  • 61 31 221 Removing and installing/replacing both multifunction steering wheel switches
  • 61 31 336 Removing and installing/replacing cover for gear selector switch
  • 61 31 021 Removing and installing/replacing emergency starting coil
  • 61 31 338 Removing and installing/replacing grip cover for gear selector switch (ceramic application, operating elements)
  • 61 31 066 Removing and installing/replacing hotel setting switch
  • 61 31 037 Removing and installing/replacing light operating facility
  • 61 31 117 Removing and installing/replacing power window switch (driver's side)
  • 61 31 246 Removing and installing/replacing rear lid button
  • 61 31 043 Removing and installing/replacing roof switch cluster (complete with cover) (roof function center)
  • 61 31 084 Removing and installing/replacing switch for automatic tailgate activation
  • 61 31 172 Removing and installing/replacing switch for electromechanical parking brake
  • 61 31 208 Removing and installing/replacing switch for front lumbar support
  • 61 31 038 Removing and installing/replacing switch for front passenger airbag deactivation
  • 61 31 079 Removing and installing/replacing switch for hazard warning flashers/central locking
  • 61 31 083 Removing and installing/replacing switch for unlocking tailgate
  • 61 31 342 Removing and installing/replacing the gear selector switch (GWS)
  • 61 31 330 Removing switch for glove box light
  • 61 31 823 Replacing audio unit
  • 61 31 310 Replacing brake light switch
  • 61 31 704 Replacing center console operating facility (from 07/2012)
  • 64 11 903 Replacing control panel for rear compartment air conditioning, left (right)
  • 61 31 118 Replacing front passenger power window switch
  • 32 41 285 Replacing level switch for Dynamic Drive fluid reservoir
  • 32 41... Replacing level switch for Dynamic Drive fluid reservoir (N74)
  • 61 31 492 Replacing level switch for windscreen washer system
  • 61 31 539 Replacing operating element for driver assistance system
  • 61 31 204 Replacing operating unit for seat adjustment
  • 61 31 116 Replacing rocker switch for side window operation (rear)
  • 61 31 544 Replacing roof switch cluster (roof function center)
  • 61 31 166 Replacing switch combination for seat adjustment (comfort seat in rear compartment)
  • 61 31 255 Replacing switch for exterior mirror
• Horn
  • 61 33 055 Removing and installing/renewing right fanfare horn
  • 61 33 060 Removing and installing/replacing both fanfare horns
  • 61 33 050 Removing and installing/replacing left fanfare horn
• Insert Holder For Cigarette Lighter
  • 61 34 Removing and installing/replacing 12V socket in front storage compartment (ashtray)
  • 61 34... Removing and installing/replacing charging socket in center armrest storage compartment
• Control Units, Modules
  • 61 35 679 Initialize the rain-light-solar-condensation sensor
  • 61 35 679 Initializing rain/light (solar) sensor
  • 61 35... Notes on ESD protection (Electro Static Discharge)
  • 61 00... Program/encode the control unit(s)
  • 61 35 245 Removing and installing (replacing) Smart Opener bottom sensor line (non-contact rear lid opening)
  • 61 35 240 Removing and installing (replacing) Smart Opener control unit (non-contact rear lid opening)
  • 61 35 243 Removing and installing (replacing) Smart Opener top sensor line (non-contact rear lid opening)
  • 61 35 015 Removing and installing (replacing) control unit for Car Access System
    • Notes
    • Replacement
  • 61 35 196 Removing and installing (replacing) control unit for automatic operation of tailgate system
  • 66 53 180 Removing and installing (replacing) control unit for reversing camera
  • 61 35 179 Removing and installing (replacing) rain/light/solar and condensation sensor (from 07/2012)
  • 61 35 001 Removing and installing (replacing) trailer module
  • 61 35 250 Removing and installing control unit for left electric-motor-driven retractor
  • 61 35 252 Removing and installing control unit for right electric-motor-driven retractor
  • 61 35 095 Removing and installing control unit/module for seat heating (rear seat)
  • 61 35 107 Removing and installing or replacing junction box electronics
  • 61 35 980 Removing and installing/renewing aerial for comfort access system on left or right
  • 61 35 975 Removing and installing/replacing bumper aerial for comfort access system
    • Notes
    • Depending on vehicle type and version
  • 61 35 132 Removing and installing/replacing central gateway module
  • 66 53 170 Removing and installing/replacing control unit for Top-/Rear-/Side-View Camera
  • 32 43 010 Removing and installing/replacing control unit for active front steering
    • Notes
    • After installation
  • 61 35 360 Removing and installing/replacing control unit for camera-based driver assistance systems (KAFAS)
  • 61 35 080 Removing and installing/replacing control unit/module for left or right seat adjustment
  • 61 35 085 Removing and installing/replacing control unit/module for left or right seat adjustment (rear Comfort seat)
  • 61 35 115 Removing and installing/replacing footwell module
  • 61 35 958 Removing and installing/replacing interior aerial for comfort access system on left or right (luggage compartment, side)
  • 61 35 953 Removing and installing/replacing interior aerial/antenna for comfort access system (front center console)
  • 61 35 954 Removing and installing/replacing interior antenna for comfort access system (rear center console)
  • 61 35 965 Removing and installing/replacing storage shelf aerial for Comfort Access
  • 61 31 823 Replacing audio unit
  • 61 35 685 Replacing rain/light solar sensor
  • 61 35 180 Replacing rear air conditioning control unit
  • 61 35 688 Replacing solar rain/light sensor and condensation sensor
• Windscreen Wipers
  • 61 61 010 Checking contact angle of windscreen wiper arms on front windscreen
  • 61 61... Checking contact angle of windscreen wiper on left or right
  • 61 61... Overview of windscreen washer system and headlight cleaning system (SRA)
  • 61 61 270 Removing and installing or replacing console for windscreen washer system complete with motor
  • 61 61 100 Removing and installing/replacing both windscreen wiper arms
  • 61 61 021 Replacing left or right windscreen wiper blade
• Headlight Cleaning System, Night Vision Washer Jets
  • 61 67 040 Adjusting washer jets for headlight cleaning system
  • 61 67 102 Removing and installing/renewing right high-pressure nozzle of headlight cleaning system
  • 61 67 100 Removing and installing/replacing left high-pressure nozzle of headlight cleaning system
  • 61 67 200 Removing and installing/replacing washer jet for Night Vision camera
  • 61 67 010 Removing and installing/replacing washer pump for headlight cleaning system
• Windscreen Washer System
  • 61 71 004 Adjusting washer jets for windscreen washer system
    • Triple nozzle system
  • 61 71... Checking function of washer jets for windscreen washer system
  • 61 71... Procedure for replacing high-pressure lines
  • 61 71 030 Removing and installing/renewing all washer jets of windscreen washer system
  • 61 71 100 Removing and installing/replacing windscreen washer pump
  • 61 71 061 Replacing washer fluid reservoir for windscreen washer system