Across nearly every thread, owners recite the same list of Mk4 faults: window regulators that let the glass drop into the door, coil pack failures, broken interior plastics in cold weather, and assorted electrical glitches from hatch wiring harnesses to central locking. Multiple owners reported replacing regulators several times, and one 20th Anniversary owner itemized a long nickel-and-dime repair history on an 80k-mile car. …
Window regulators and electrical gremlins are the signature Mk4 faults
Volkswagen GTI (Mk4) · mechanical