There are 1 owner-reported lighting complaints for the 2012 Lincoln MKSin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I HAVE AN EXCEPTIONALLY LARGE AMOUNT OF MOISTURE IN THE PASSENGER HEADLAMP ASSEMBLY. I'VE HAD IT CHECKED AT 3 DIFFERENT BODY SHOPS, INCLUDING A LINCOLN ONE HERE IN TULSA. ALL 3 SHOPS COULDN'T FIGURE OUT WHERE THE MOISTURE IS COMING FROM. I HAVE SEEN THIS ON A COUPLE OF OTHER LINCOLN MKSS. ON THE OTHER AUTOMOBILES THAT I HAVE SEEN THEIR PEERS TO BE NO DAMAGE ANYWHERE AS IS THE CASE WITH MINE. MY CONCERN IS THE MOISTURE IS GOING TO GET TO THE BULB OR GET BULB SOCKET AND CAUSE OF TO SHORT. IT SEEMS HARDLY FAIR THAT A VEHICLE THAT IS ONLY 8 YEARS OLD BUT UNDER A HUNDRED THOUSAND MILES ON IT IS ALREADY HAVING ISSUES THAT ARE VERY EXPENSIVE AND SEEM TO BE THE FAULT OF THE MANUFACTURING PROCESS. THIS HAS BEEN GOING ON FOR ABOUT 4 MONTHS NOW.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026