CarRecallWatchThe 2018 Audi S4 has 2 safety recalls on file with NHTSA.
Owners have filed 7 complaints with NHTSA.
The most-reported problem area is Engine (4 reports).
2018 Audi S4 recalls
Passenger Airbag May Be Wrongly Turned Off in a Crash
A fault in the cable linking the front passenger seat heater to the Passenger Occupant Detection System can cause an intermittent contact problem.
Passenger Air Bag May Be Disabled, Raising Crash Injury Risk
Corrosion (oxidation) on the cable connecting the passenger occupant detection system can cause the software to wrongly detect a fault and switch off the front passenger air bag.
Most common 2018 Audi S4 problems
Problem areas named in the 7 complaints owners filed with NHTSA.
| Problem area | Reports |
|---|---|
| Engine | 4 |
| Power Train | 1 |
| Vehicle Speed Control | 1 |
| Structure | 1 |
| Service Brakes | 1 |
| Suspension | 1 |
What owners report
Water pump defect for the 3.0L ea839 turbo engine found across many Porsche and Audi models. Defect causes damage to vacuum lines, thermostat, and can eventually lead to engine failure if not resolved. No way of knowing this is happening until you start to lose coolant (which will throw an engine code), but by that point the damage is done. There was a recall for the previous generation vehicle water pumps.
My 2018 Audi S4 has a catastrophic engine failure issue and this is common with the EA839 engine. There is a knocking in the motor that is caused by internal engine parts (rocker arms needle bearings) becoming loose and dislodged. The metal shavings travel in the motor oil and destroy the engine from the inside. Hendrick Audi northlake examined the car on February 26, and recommended a new engine be installed at a cost of $32,000. I contacted Audi customer care and they reviewed the case only to offer me no assistance with the new engine expense. My Audi S4 is a 2018 with less than 47k miles, and I am the fifth owner. I have been reading a lot of threads on Audi forums as well as Reddit abou
PCV housing and lines failed. Caused pressure to build up thus shooting off the oil cap shooting oil everywhere! in addition to that it is a huge fire hazard considering the turbo is right next to it.
Audi Dealer inspection revealed Rear spring is broken and mounts are deteriorating. Dealer states not common and would result in accident if not repaired. Research indicates broken springs common with certain Audi vehicles (A4/S4, Q5 & Q7), especially 2018 model year. See Audi World forum website. It would appear these springs are defective and will result in accident, injury and death. Audi refuses to acknowledge issue and issue recall.
THE VEHICLE'S PRE SENSE AUTO-BRAKING AND BRAKING ALERT JOLT HAS BEEN ACTIVATING ERRONEOUSLY AND HAVE ALMOST CAUSED ACCIDENTS AT SPEED. THE SYSTEM CANNOT BE PERMANENTLY DISABLED, IT DEACTIVATES UPON IGNITION RESTART. THE SYSTEM HAS ERRONEOUSLY AND AGGRESSIVELY JOLTED THE BREAKS ON SEVERAL OCCASIONS ON CURVES, ESPECIALLY WHEN CRESTING A HILL WITH VEHICLES PARKED ON THE DOWNWARD SLOAP. CLEARLY, IT IS MISTAKEN THE PARKED VEHICLES FOR A POTENTIAL IMPACT, EITHER AGGRESSIVELY JOLTING THE BREAKERS AND/OR BREAKING. THIS IS NOT ONLY VERY FRIGHTENING BUT ON A SLIPPERY SURFACE, WOULD HAVE CAUSED AN ACCIDENT. THIS FEATURE ALSO ACTIVATED ON THE HIGHWAY AT 65+ MPH WHILE SAFELY CHANGING LANES, AND ALMO
2018 Audi S4 questions
Does the 2018 Audi S4 have any recalls?
Yes. NHTSA lists 2 safety recalls for the 2018 Audi S4: Passenger Airbag May Be Wrongly Turned Off in a Crash; Passenger Air Bag May Be Disabled, Raising Crash Injury Risk. Recall repairs are normally free at an authorized dealer.
What are the most common problems with the 2018 Audi S4?
Based on 7 owner complaints filed with NHTSA, the most-reported problem areas are Engine (4), Power Train (1), Vehicle Speed Control (1).
How do I check if a recall on my 2018 Audi S4 has been fixed?
Enter your 17-character VIN in our VIN recall check. It shows open recalls that have not been repaired on your specific vehicle. Recall repairs are normally free at an authorized dealer.