2018 Audi S3 Service & Repair Manual

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The service and repair manual for the 2018 Audi S3 — the 2.0L I4 engine, 5 trims. Matched to this exact model year, so the specifications and sequences are the ones Audi published for your car, not figures carried over from a neighbouring year.

01 / FitmentWhat this manual covers

Model year2018
Engines
2.0L I4 — 121 cu in, DOHC, turbocharged
TrimsPrestige Sedan 4-Door · Base Sedan 4-Door · Progressiv Sedan 4-Door · Premium Plus Sedan 4-Door · Technik Sedan 4-Door
Federal record1 recall · 7 complaints · 536 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 2018 S3 manual

2018 Audi S3 service manual page 12018 Audi S3 service manual page 22018 Audi S3 service manual page 32018 Audi S3 service manual page 42018 Audi S3 service manual page 52018 Audi S3 service manual page 6

03 / ContentsSections in the manual

  • Quick Lookups 62
  • General Information 2,590
  • Accessories & Equipment 4,057
  • Heating, Ventilation & A/C (HVAC) 1,602
  • Body & Frame 2,514
  • Maintenance 293
  • Brakes 444
  • Restraints 444
  • Drivelines & Axles 242
  • Steering 174
  • Differentials & Drive Axles 48
  • Electrical 643
  • Suspension 858
  • Engine Mechanical 559
  • Transmission 271
  • Engine Performance 700

04 / Known issuesRecalls on federal record for the 2018 S3

  1. Air Bags — sensor › occupant classification › front passenger · 21V198000
    A deactivated passenger air bag increases the risk of injury during a crash.

Owners have filed 7 complaints and Audi has issued 536 technical service bulletins for the 2018 S3. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 2018 S3 manual

Is this manual specific to the 2018 S3?

Yes. It is the OEM manual matched to the 2018 model year, covering the 2.0L I4 across the Prestige Sedan 4-Door, Base Sedan 4-Door, Progressiv Sedan 4-Door, Premium Plus Sedan 4-Door, Technik Sedan 4-Door trims. Specifications and procedure sequences are the ones Audi published for this year.

What 2018 S3 problems does it help with?

1 recall is on federal record for the 2018 S3, covering air bags. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Audi dealers.

Does it include 2018 S3 wiring diagrams?

Yes — the complete wiring diagrams for the 2018 build, alongside repair procedures, specifications and diagnostics.

Is it a subscription?

No. $40.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.

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