VehicleVerdict

1978 Mercury Monarch problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 0 complaints on file for the 1978 Mercury Monarch — too few to judge reliability from owner reports alone — but one recall campaign applies to this year, so any used example should have its VIN checked for completed recall work.

0

NHTSA complaints

1

Recalls

0

Investigations

0

Crash-involved

0

Fires reported

0

Injuries

0

Deaths

NCAP overall

How does 1978 compare to other Monarch years?

Monarch NHTSA complaints by model year, 1978 highlighted2 complaints1975: 0 complaints1976: 0 complaints1977: 2 complaints1978: 0 complaints1979: 0 complaints1980: 0 complaints1982: 0 complaints1983: 0 complaints1984: 0 complaints
Monarch NHTSA complaints by model year, 1978 highlighted. Red bars are years to avoid.

See all Monarch years to avoid →

Does the 1978 Mercury Monarch have recalls?

1 NHTSA recall campaign on file. Recall repairs are free at franchised dealers.

84V078000EngineJune 26, 1984 · 810,000 units

Defect

BLADES MAY CRACK AND MAY, OVER A PERIOD OF TIME, LOOSEN FROM FAN ASSEMBLY.

Remedy

FAN ASSEMBLY WILL BE REPLACED WITHOUT CHARGE.

1978 Mercury Monarch — common questions

Is the 1978 Mercury Monarch reliable?

The record is thin — 0 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 1 recall should be verified as completed.

Does the 1978 Mercury Monarch have recalls?

Yes — NHTSA lists 1 recall campaign affecting the 1978 Mercury Monarch. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.