"How reliable is the 1998 Mercury Marquis?"

"Based on 40 NHTSA complaints, the 1998 Mercury Marquis has a median complaint mileage of 75000 miles. The most common issue is Suspension."

"What are common problems with the 1998 Mercury Marquis?"

"The most frequently reported component in NHTSA complaints for the 1998 Mercury Marquis is Suspension, accounting for a significant portion of the 40 total complaints filed."

1998 Mercury Marquis: Reliability Data

Source: NHTSA — 40 complaints

Total Complaints

75,000mi

Median Mileage

Suspension

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

58,000 25th Percentile

75,000 Median Mileage

97,083 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Suspension

Automatic Transmission

Antilock/Traction Control/Electronic Limited Slip

Tires

Headlights

Engine And Engine Cooling

Master Cylinder

Hinge And Attachments

Filler Pipe And Cap

Cables

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"BRAKES: WHEN DRIVING AND ATTEMPTING TO STOP, HAVE TO PUSH THE BRAKE PEDAL COMPLETELY TO THE FLOOR BEFORE THE CAR WILL STOP. CAR HAS BEEN IN SHOP SEVERAL TIMES. THEY BLED THE BRAKES, PUT NEW CALIPERS ON, AND NOW THEY ARE WAITING FOR A MASTER CYLINDER. *AK"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

Where Are Complaints Coming From?

Top states by complaint count.

FL: 7 TX: 5 SC: 4 MO: 3 NV: 3 NY: 3 OH: 3 AR: 3 NC: 2 PA: 2

Who Files Complaints?

50%

Original Owners

50%

Second+ Owners

Mercury Marquis — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
1992	30	-	Gasoline	7
1993	25	-	Air Bags	3
1994	44	100,000	Power Window Devices And Controls	2
1995	26	-	Tank Assembly	0
1996	40	91,000	Engine And Engine Cooling	3
1997	62	63,000	Manifold/Header/Muffler/Tail Pipe	8
1999	31	95,052	Vehicle Speed Control	2
2000	24	-	Body	1
2001	27	57,902	Engine And Engine Cooling	4
2003	42	42,377	Exterior Lighting	4

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28