Check engine light came on. Error code 0302 and 0316 on ODB at dealer. Was advised that engine needed to be replaced due to coolant intrusion into cylinder 2 which cause the vehicle to overheat. Engine has 3200 miles on it. Safety hazard due to engine seizing at high speed and causing an accident due to loss of power. Also possible engine fire due to loss of coolant/overheating.
2018 Lincoln MKZ engine problems
moderate 6 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Complaints
6
Recalls
0
Avg fix
$3,100
When does it fail?
Of the 6 engine complaints filed for the 2018 Lincoln MKZ, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What owners are reporting 5 most recent
The contact owns a 2018 Lincoln MKZ. The contact stated while driving 50 MPH, the check engine warning light illuminated. The vehicle was driven to the dealer to be diagnosed. The contact was informed that there was a coolant intrusion into the engine. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 46,000.
The contact owns a 2018 Lincoln MKZ. The contact stated while driving 30 MPH, the engine light illuminated. While the vehicle was idling, there was an abnormal sound coming from the vehicle. The vehicle was taken to an independent mechanic, who referred the contact to the local dealer for assistance. The vehicle was towed to the local dealer, where it was diagnosed that there was coolant…
Coolant Intrusion of Cylinder 3, car has less than 50,000 miles total and has been very well taken care of. Has had over a gallon of coolant added within the month of Aug
I have been told by a ford mechanic on 7.11.2024, 6 weeks before buying the car that there is coolant intrusion in cylinder 2 and the only fix to this would be to replace the long block that cost a little over 8k, some how some way this vehicle dont have any recalls about this well known issue. This in no way should be on the customer due to a defect by Ford engine in there vehicles.
Had engine trouble with your 2018 Lincoln MKZ?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2018 Lincoln MKZ?
It's a documented issue but not catastrophic. 6 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Based on the 6 complaints filed, engine issues most often appear around 55,500 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2018/Lincoln/MKZ.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.