The 2018 Audi A4 has 1 NHTSA recall campaign affecting an estimated 208,332 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 74 complaints with NHTSA, most often about the unknown or other. Last updated July 5, 2026.
Recall campaigns
AIR BAGS21V8740002021-11-10208,332 affected
Defect
Volkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabriolet, S5 Coupe, and Audi S5 Sportback vehicles. The cable connecting the seat heater to the Passenger Occupant…
Consequence
A disabled passenger air bag increases the risk of injury in the event of a crash.
Remedy
Dealers will replace the connecting cable and either the heating mat or entire seat cover, free of charge. Owner notification letters were mailed January 7, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 74E3. This recall is an expansion of Recall 19V-547…
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“The contact owned a 2018 audi a4. The contact stated that while driving at an undisclosed speed, there was fluid leaking from the front of the vehicle. No warning lights were illuminated. The contact also stated that while the vehicle was parked, there was a puddle of fluid leaking from the front…”
“This problem is extremely sporadic, and often remedies itself after car shut down, and sometimes require that the car sit for a period of time. I estimate the following issue happens ~1 time a month, or estimated 5% of the time. Weather (temperature specifically) does not appear to impact…”
“This problem is extremely sporadic, and often remedies itself after car shut down, and sometimes require that the car sit for a period of time. I estimate the following issue happens ~1 time a month, or estimated 5% of the time. Weather (temperature specifically) does not appear to impact…”
“This problem is extremely sporadic, and often remedies itself after car shut down, and sometimes require that the car sit for a period of time. I estimate the following issue happens ~1 time a month, or estimated 5% of the time. Weather (temperature specifically) does not appear to impact…”
“Drive system malfunction message appeared after starting ignition at 6am before heading to work. Turned car off immediately and took another vehicle to work.”
“My screen turns on and off consistently not allowing me to use my backup camera. Causing a small collision while backing up when the camera turned off unexpectedly. Additionally when it’s off it will auto break when i’m not close enough to hitting and it’s loud and yanked me. This has been…”
“My screen turns on and off consistently not allowing me to use my backup camera. Causing a small collision while backing up when the camera turned off unexpectedly. Additionally when it’s off it will auto break when i’m not close enough to hitting and it’s loud and yanked me. This has been…”
“My car's mmi keeps restarting while driving which affects the rear view camera and while backing up it can restart and go completely blank. I feel this puts my safety at risk while backing up. It also shuts down my bluetooth to my phone which can be a hazard while driving. I have called the…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2018 Audi A4 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
contains ads and affiliate links. Full methodology.