Audi A6 C8 (2018–today)Bodywork and interior
Faulty towbar locking bolt on the 2018 Audi A6 in the Audi A6 C8
Why this rating?
Symptoms
- No prior warning; it is detected by checking the towbar.[1][2][3]Electronic warnings: other faults that cause it · Monitor
Why it happens
Affected years and cars
How much it costs to repair
Includes: Check and replacement of the towbar at the official service (campaign 66K3).[1][2][3]
We have not found published prices for this repair in Spain in the sources consulted.
Prices in Spain, including VAT. A workshop hour costs on average €38–66 at independent garages and €77–134 at dealerships in Spain, depending on the region and the brand. How we calculate costs
How to check for it before buying a used car
Recalls, campaigns and claims
RecallAudi AG vía Rapex · 14 June 2019 · Ref. A12/0862/19
Detachable towbar (campaign 66K3)
Audi A6 built from February to October 2018 with a detachable towbar.[3]
What owners say
Frequently asked questions
What can you do now?
We will put you in touch with a partner only if you authorise it in the form.
Other faults of the Audi A6 C8
- Critical severityFrequency: RareSuspensionRear axle arm bolt nuts with stress corrosion in the A6Audi recalled cars built between 7-11-2019 and 16-4-2021 because the nuts on the eccentric bolt of the rear axle control arm can break through stress corrosion, and the axle can move uncontrollably at high speed.
- Critical severityFrequency: RareAirbags and safetyFaulty dashboard that may prevent the front passenger airbag from deploying in the Audi A6Audi recalled 10,300 A6s and A7s built between 12-2017 and 12-2020 because a manufacturing defect in the dashboard could prevent the passenger airbag from deploying correctly and release plastic parts.
- Medium severityFrequency: OccasionalElectronics and infotainmentMMI multimedia system and driver assistance faults in the Audi A6 C8Gebrauchtwagenberater and Carwiki report faults with the MMI (freezing, deleted favourites), with adaptive cruise control ('not available') and with emergency braking that is too sensitive. Some cases required a workshop visit.
- High severityFrequency: RareSuspensionIncorrect rear axle toe and camber: uneven rear tyre wear on the A6Audi recalled cars built between 7-11-2019 and 16-4-2021 because the rear axle toe or camber could be altered, wearing the rear tyres unevenly and risking a sudden loss of pressure.
- Medium severityFrequency: RareBodywork and interiorBadly bonded panoramic roof: noise and leaks in the 2018 Audi A6In the Audi A6 C8 built in 2018, the panoramic roof can creak, whistle or let water in because the bonding surface was contaminated. There was a recall, and workshops re-bond the glass.
- Medium severityFrequency: RareBodywork and interiorWater leak through the wheel arch in the Audi A6 C8Gebrauchtwagenberater says that in the A6 C8 water can enter through the wheel arch and cause a damp smell in the cabin. Audi has a service action (TPI 2032570/2), and it is worth checking the floor.
The faults of its engines are on the Audi A6 C8 page.
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Sources
Every fact on this page links to its source. If you find an error, let us know.
- Audi A6 C8 4K Probleme und SchwachstellenGebrauchtwagenberater.de · Motoring press · consulted 29 October 2026 · in German
- Audi A6 ProblemeCarwiki.de · Motoring press · consulted 29 October 2026 · in German
- Audi A6: llamadas a revisión (enganche, 2018)Car-recalls.eu · Other source · consulted 29 October 2026