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What 17 owners told NHTSA about the 2015 Lincoln Mks

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 (17)Crash / fire / injury (2)Engine (5)Electrical system (4)Fuel system (3)Transmission & drivetrain (3)Airbags (2)Body & structure (2)Steering (2)Backup camera & sensors (1)Brakes (1)Driver assistance (1)

3 of 17 complaints match · Transmission & drivetrain · clear filters

Jul 5, 2023Transmission & drivetrainEngine

I have noticed a coolant leak that is the result of a faulty water pump design. To make it worse, the rocket scientists at Ford Motor Company buried the water pump internally in the engine. It is a very expensive repair on what should be a component bolted to the exterior of the engine. There are numerous Class Action Lawsuits against FMC for this matter. I think a recall should be issued or compensation for repairs on what is a very expensive endeavor. My wife drives this car. I am going through the repair process. FMC is known to have hidden the problem. Please issue a recall so people are not burdened by a bad corporate decision. Faulty water pumps can cause engine failure resulting in an accident on the public roadway. Cars should have building codes that forbid these stupid designs. Cars should be designed to be easier to repair with modularity. As a government agency, this is in the public interest to make FMC accountable for their faulty design and issue a recall or compensation for repairs related to this faulty part. MK

NHTSA ODI 11530492

Jun 27, 2020Transmission & drivetrainFuel system

AT TIMES, WHILE DRIVING, MY ENGINE WILL STALL AND SLOW DOWN REGARDLESS IF I'M STILL PRESSING THE GAS PEDAL. I GENERALLY SHUT THE ENGINE DOWN AND WAIT LIKE THIRTY SECONDS AND RESTART. IT IS USUALLY OK THEN UNTIL THE NEXT EPISODE. I INCLUDED THE LAST DATE IT HAPPENED. IT HAS BEEN DOING IT OVER MY YEARS OF OWNERSHIP. *TR

NHTSA ODI 11331216

Oct 12, 2017Transmission & drivetrainEngine

MY VEHICLE SUDDENLY LOST POWER WHILE I WAS DRIVING ON HIGHWAY. I HAVE TO STOP VEHICLE ON SIDELINE OPEN THE DOOR AND START IT AGAIN FOR IT TO START. I DIDN'T RAN INTO THIS ISSUE FOR FEW DAYS BUT IT OCCURRED AGAIN TODAY IN MORNING WHILE I WAS DRIVING. THE ISSUE GET RESOLVED WHEN I STOP THE CAR AND START IT AGAIN AND THERE IS NO ERROR CODE OR ISSUES THAT I CAN USE TO DIAGNOSE AND GET THE ISSUE RESOLVED WITH CAR. SUDDEN LOSS OF POWER IN CAR IS TERRIFYING ON HIGHWAY

NHTSA ODI 11033120

Working with the data? Download all 17 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 2015 Lincoln Mks verdict →