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Engine coolingPart report

2017 Lincoln MKZ Engine cooling Problems

Complaints
11about this part
Share
8%of 141 total for the year
Median mileage
75,394miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 11 complaints about the engine cooling of the 2017 Lincoln MKZ, 8% of the 141 complaints for this model year. Where a mileage was given, the median is 75,394 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 2017 Lincoln MKZ. The contact stated that upon starting the vehicle, the check engine warning light remained illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed, and the contact was informed that the engine was faulty due to coolant intrusion and that the engine needed to be replaced. The manufacturer was notified of the failure. The failure mileage was 75,300.”

NHTSA complaint #11766190, filed 2026-09, 75,300 miles

“While out of town, the check engine light came on and the car began sputtering. There was a Lincoln dealer a couple miles away so I went there. The scan found code p303 and coolant had intruded in cylinder 3 and the engine needed to be replaced. The Lincoln dealer stated that there was a service bulletin issued about this problem with eco boost 2017 Lincolns.”

NHTSA complaint #11580593, filed 2024-04

“The contact owns a 2017 Lincoln MKZ. The contact stated that upon starting the vehicle, the check engine warning light remained illuminated. The vehicle was taken to a local dealer where it was diagnosed, and the contact was informed that the engine had failed due to coolant intrusion. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 74,000.”

NHTSA complaint #11678744, filed 2025-08, 74,000 miles

“The contact owns a 2017 Lincoln MKZ The contact stated while driving 35MPH, the check engine light illuminated. The vehicle was taken to the dealer where it was diagnosed that coolant was in the number two cylinder and the engine needed to be replaced. The vehicle was not repaired. The contact was relating the failure to TECHNICAL SERVICE BULLETIN 19-2172 (Coolant In Cylinders, White Exhaust Smoke, And/or Illuminated MIL) however the VIN was not included in the service bulletin. …”

NHTSA complaint #11625492, filed 2024-11, 7,500 miles

“The contact owns a 2017 Lincoln MKZ. The contact stated while driving approximately 35 MPH, and at other various speeds, the check engine warning light remained constantly illuminated. The contact had taken the vehicle to a dealer where it was diagnosed that the vehicle had been leaking coolant into the engine block. The mechanic determined that the engine needed to be replaced. The vehicle had not been repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 50,000.”

NHTSA complaint #11506267, filed 2023-02, 50,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
201838%
2017118%
201612%
201311%
201143%
200810%
200710%

Other parts of the 2017 Lincoln MKZ

Engine
76 complaintsTransmission and drivetrain
24 complaintsBrakes
16 complaintsOther or unknown
12 complaintsElectrical system
10 complaintsFuel system
9 complaintsSteering
6 complaintsVehicle speed control
5 complaintsAir bags
4 complaintsExterior lighting
4 complaintsWheels
4 complaintsBody and structure
2 complaints

← All problems reported for the 2017 Lincoln MKZ

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