- Running gear
- Body
- Vehicle electrics
- Electrical system
- Self diagnosis, V.A.G Inspection Service
- Starter-current supply-CC
- Instruments, GCI
- Infotainment
- Windscreen wipe/wash system
- Lights, lamps, switches outside
- Lights, lamps, switches inside, anti-theft system
- Cruise control system (CCS)
- Anti-theft alarm system (ATA)
- Interior lights and switches
- Removing and installing light switch
- Removing combi-warning lamp
- Removing and installing interior light
- Replacing front passenger reading light bulb
- Removing and installing luggage compartment light W3 , Variant
- Removing and installing luggage compartment light W3 , saloon
- Removing and installing luggage compartment light switch
- Removing and installing rear reading lights
- Removing and installing sliding sunroof switch E8
- Removing and installing door contact switch
- Removing and installing electric window switch
- Removing and installing mirror adjustment switch E43 with mirror adjustment change-over switch E48
- Immobilizer
- Wiring
- Power transmission
- Power unit
- Heating, ventilation, air conditioning system