Skoda Superb MK3 – Fuse and Relay

Skoda Superb 3 rd generation (MK3) went on sale in 2015. This car was also produced in 2016, 2017, 2018, 2019, 2020 and to the present. In this article, we will present a designation of the 3rd generation Skoda Superb fuses with box diagrams. Note the fuse responsible for the cigarette lighter.

Superb 3

If the current description does not fit and you own the 2nd generation Skoda Superb, then study the relevant material.

Passenger compartment

It is located behind the glove compartment in the dashboard. To access the unit, you need to get out the box itself by pressing the latches “A”.

Access to the unit in the salon

The box will look something like this.

Photo of the unit in the cabin


Block diagram in the cabin


  1. Not used
  2. Not used
  3. Voltage stabilizer for taxi cars
  4. Not used
  5. Data bus
  6. Automatic transmission
  7. Climate control, heater, remote control receiver for autonomous heater, heated rear window, heated windshield, clock
  8. Light switch, rain sensor, diagnostic connector, electromechanical parking brake,
    instrument cluster illumination , anti-theft alarm sensor
  9. USB port
  10. Infotainment display, TV tuner
  11. Seat belt pretensioner – left side
  12. Head device
  13. Shock Absorber Adjustment
  14. Air conditioner and heater fan
  15. Electric steering column adjustment
  16. Mobile phone compartment (Phonebox)
  17. Instrument cluster, emergency drive
  18. Rear View Camera
  19. KESSY
  20. SCR
  21. Four-wheel drive, air conditioning compressor (GreenLine)
  22. Trailer coupling
  23. Light on the right
  24. Panoramic sunroof
  25. Central locking of the driver’s door and left rear door, heating, folding and adjusting the outside mirror on the
    driver’s side
  26. Heated front seats
  27. Audio amplifier
  28. Electrical socket for towing hitch
  29. Understeering’s shifter
  30. 12V socket in the luggage compartment
  31. Lighting on the left
  32. Parking assistant, parking autopilot
  33. Airbag, hazard warning light switch
  34. ASR, ESC, tire pressure monitor, air conditioning, reversing light switch, auto-dimming mirrors, START-STOP system, heated rear seats, electromechanical parking brake, light switch
  35. AFS headlights, diagnostic connector, camera, radar, voltage stabilizer for taxi cars
  36. Right headlight
  37. Left headlight
  38. Electrical socket for towing hitch
  39. Front passenger door and right door central locking, heating, folding and adjusting the outside mirror on
    the front passenger side
  40. 12V socket, cigarette lighter
  41. Seat belt pretensioners – right side
  42. Luggage compartment lid, headlight washer, windshield washer
  43. Xenon headlights, interior lighting
  44. Electrical socket for towing hitch
  45. Electric seat adjustment
  46. 230 V socket
  47. Rear window wiper
  48. Blind spot monitoring
  49. Engine start, clutch pedal switch
  50. Opening the boot lid
  51. Heated rear seat
  52. Heated front seats
  53. Heated rear window
  54. A – Multifunctional unit for left-hand drive taxi cars

The fuse number 40, 20A, is responsible for the cigarette lighter in the cabin.

Passenger compartment

In the engine compartment, it is located on the left side and is closed by a lid. It’s easy enough to open it. Simultaneously squeeze the catches in the direction of arrow 1 and lift in the direction of arrow 2.

Block under the hood

The box itself consists of 2 parts. 1 – department of fuses and relays 2 – department of high power fuses.

Photo of the unit under the hood


Block diagram under the hood


  1. ESC, parking brake
  2. ESC
  3. Engine management system
  4. Radiator fan, fuel pressure regulating valve, electric auxiliary heater
  5. Ignition
  6. Brake pressure sensor
  7. Radiator louver, coolant pump
  8. The Lambda probe
  9. Coolant pump, ignition, pre-glow system, air mass meter
  10. Fuel pump
  11. Additional electric heater
  12. Additional electric heater
  13. Automatic transmission
  14. Heated windshield
  15. Sound signal
  16. Ignition
  17. ESC, engine management system, main relay coil
  18. Data bus battery data module
  19. Windshield wiper
  20. Security alarm
  21. Not used
  22. Engine control system, voltage stabilizer for taxi cars
  23. Starter
  24. Additional electric heater

Then only 33 – SCR and Auxiliary heater – 37. The rest are not used or are in reserve.

Comments 1

  • I have a problem with my usb port. My lightener working and aux. But usb no. It s possible to have a different powered fuse?!

Leave a Reply

Your email address will not be published. Required fields are marked *