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Service bulletins for the 2018 Audi S8

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

344 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
A0118732018-09-24. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update to address occasional stalling or running erratically without a DTC. Occasional "System too rich" entries.
A011873 2046724-2018-09-17. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. This bulletin contains a software update to address occasional stalling or running erratically without a DTC. Occasional "System too rich" entries.
Scheduled Mainte2018-04-16. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Additional Maintenance Section: Added, "(if applicable)" to Battery - Connected gateway - Replace
Scheduled Mainte2018-04-16. Service bulletin. ELECTRICAL SYSTEM. Additional Maintenance Section: CHANGED: "RS 7 Plus" to "RS 7 performance" on Rear Axle every 40,000 miles and Spark plugs - Replace every 30,000 miles or 3 years ADDED: "(except RS 7 performance)" and "(except S8 plus)" to Spark Plugs - Replace every 40,000 miles or 6 years
MY 2018 Audi USA2018-04-16. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:SUN/MOON ROOF ASSEMBLY; SUSPENSION. Under Additional Maintenance Items Section: Removed e-tron from "Perform every 130,000 miles. Timing belt - Replace. Check condition of timing belt tensioning system, dampening pulleys, and idler pulleys and replace if necessary (2.0L TDI models only)" Under Standard Maintenance Section: Removed A5/S5 Cabriolet from "Rollover protection: Check function with soft top down (A3 Cabriolet and R8 Spyder only)" Under Standard Maintenance Section: Removed Q7 from "Panorama sunroof systems - Check function (if equipped) (all except A8L)" and "Panorama sunroof systems - Clean guide rails and lubricate with grease (if equipped) (A8L only)"
A911743 2042097-2018-02-05. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin contains resource information for when the traffic feature is inoperative in the MMI navigation.
A911737 2047576-2018-02-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This is a reference bulletin that contains software update information for the MID2 MMI system.
A911639204201332017-03-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DIAGNOSE AND RESOLVE ISSUES WITH AUDI CONNECT ONLINE DESTINATION SEARCH, GOOGLE EARTH NAVIGATION VIEW, AND INRIX ONLINE TRAFFIC.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.