Jan 14, 2023Electrical system
UNKNOWN Driver side tail light socket. All lights stopped working. Took out the socket and the wiring harness connector burned up
NHTSA ODI 11501799
Home · 2018 Mini Cooper S Countryman · Complaints
What 6 owners told NHTSA about the 2018 Mini Cooper S Countryman
These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.
All (6)Crash / fire / injury (3)Airbags (2)Electrical system (2)Body & structure (1)Brakes (1)Engine (1)
2 of 6 complaints match · Electrical system · clear filters
Dec 7, 2022Electrical system
Driving at low speed piercing loud noises came from speakers, buzzing and whining. Noise stayed on with ignition on or off and radio on or off. This occurred two more times on way home. Am waiting for dealer appointment. Have not driven vehicle since.
NHTSA ODI 11496400
Working with the data? Download all 6 complaints as CSV · fetched from NHTSA July 27, 2026
How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2018 Mini Cooper S Countryman verdict →