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Engine coolingPart report

2018 Lincoln MKC Engine cooling Problems

Complaints
10about this part
Share
13%of 76 total for the year
Median mileage
63,174miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 10 complaints about the engine cooling of the 2018 Lincoln MKC, 13% of the 76 complaints for this model year. Where a mileage was given, the median is 63,174 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The contact owns a 2018 Lincoln MKC. The contact stated that upon attempting to start the vehicle, the engine misfired. The dealer was notified of the failure. The vehicle was taken to the dealer, where it was diagnosed that coolant intrusion had resulted in the engine failure, and it was determined that the engine needed to be replaced. The manufacturer was notified of the failure by phone. The failure mileage was approximately 73,617.”

NHTSA complaint #11764723, filed 2026-09, 73,617 miles

“The contact owns a 2018 Lincoln MKC. The contact stated that while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate however, the engine overheated. Additionally, the check engine warning light was illuminated. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 41,000.”

NHTSA complaint #11530104, filed 2023-07, 41,000 miles

“The contact owns a 2018 Lincoln MKC. The contact stated that the vehicle was experiencing excessive coolant consumption. Additionally, the contact noticed that there was an abnormal coolant odor inside the cabin of the vehicle while driving. The vehicle was taken to an independent mechanic, where it was diagnosed with coolant leaking onto the ignition coil #2. The mechanic replaced the spark plugs, and the ignition coil #2 was replaced several times; however, the failure persisted. …”

NHTSA complaint #11617890, filed 2024-10, 80,000 miles

“The contact owns a 2018 Lincoln MKC. The contact stated that the check engine warning light was illuminated. The contact stated while starting the vehicle, there was a slight hesitation in the response of the vehicle. The vehicle had been taken to the dealer and was diagnosed and determined that the coolant level was low and that there was coolant intrusion into cylinder #3, causing a misfire. The contact was informed that the engine needed to be replaced. The vehicle had not been repaired. …”

NHTSA complaint #11608891, filed 2024-08, 50,000 miles

“The contact owns a 2018 Lincoln MKC. The contact stated that when the vehicle was cold-started, the vehicle shuddered, shook abnormally, and idled roughly. The contact stated that the check engine warning light was illuminated. The contact stated that the vehicle was still running rough after the engine had reached normal operating temperatures. The contact had taken the vehicle to a local dealer, where it was diagnosed and determined that there was coolant intrusion into the cylinders, and the engine needed to be replaced. The vehicle was not repaired. …”

NHTSA complaint #11667619, filed 2025-06, 49,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
201976%
20181013%
20172312%
201679%

Other parts of the 2018 Lincoln MKC

Engine
47 complaintsTransmission and drivetrain
6 complaintsOther or unknown
5 complaintsBack-over prevention (rear camera)
4 complaintsWheels
4 complaintsElectrical system
2 complaintsFuel system
2 complaintsLane departure
2 complaintsSteering
2 complaintsAir bags
1 complaintsBrakes
1 complaintsElectronic stability control
1 complaints

← All problems reported for the 2018 Lincoln MKC

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology