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#BS-1998-MERGRA-1F23

1998 Mercury Grand Marquis

Based on reports from 168 owners and 7 recalls for this exact model.

Complaints
168
Crashes
9
Fires
9
Recalls
7
TSBs
164
🟡

Preliminary Verdict

Think Twice

Based on 168 complaints, 9 crashes, 9 fires, and 7 recalls.

See full verdict with buy/skip conditions

Top reported problems

1

plastic thermostat housing cracked

2 complaints • Severity 8/10

$X,XXX
2

plastic intake manifold cracks

2 complaints • Severity 10/10

$X,XXX
3

excessive oil consumption

1 complaints • Severity 6/10

$X,XXX

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the LightsHIGH

10 owners reported lights issues — failures commonly reported around 88K miles.

!Inspect the EngineMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

1
0–30K
9
30–60K
17
60–90K
11
90–120K
5
120–150K
9
150K+

Peak failure range: 60–90K miles (17 reports) • Median: 88K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Lights (10 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Lights10 (6%)
Engine9 (5%)
Speed Control8 (5%)
Suspension8 (5%)
Engine And Engine Cooling:engine:gasoline7 (4%)
Exterior Lighting:headlights6 (4%)
Engine And Engine Cooling:engine6 (4%)
Suspension:front6 (4%)

1998 Mercury Grand Marquis: Known Issues & Problem Areas

Lights Issues

Lights complaints account for 6% of all reports filed for the 1998 Mercury Grand Marquis, with 10 owners filing complaints with NHTSA. The median mileage at time of complaint is 88,000 miles, suggesting issues tend to surface around the 88K-mile mark.

Engine Issues

Engine complaints account for 5% of all reports filed for the 1998 Mercury Grand Marquis, with 9 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.

Speed Control Issues

Speed Control complaints account for 5% of all reports filed for the 1998 Mercury Grand Marquis, with 8 owners filing complaints with NHTSA. Owners should pay attention to speed control-related symptoms during test drives and pre-purchase inspections.

Suspension Issues

Suspension complaints account for 5% of all reports filed for the 1998 Mercury Grand Marquis, with 8 owners filing complaints with NHTSA. Owners should pay attention to suspension-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

22
00
10
01
10
02
11
03
8
04
7
05
4
06
6
07
1
08
2
09
3
10
4
11
3
12
2
13
1
14
3
15
7
16
4
18
1
20
1
21

Complaints filed with NHTSA by year for the 1998 Mercury Grand Marquis. Recent trend: stable.

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (7 recalls)

00V157001Sep 2000

SEAT BELTS:FRONT:ANCHORAGE

VEHICLE DESCRIPTION: PASSENGER VEHICLES USING AFTERMARKET DRIVER'S SEAT BELT ASSEMBLIES THAT WERE SOLD BY FORD PARTS DEPARTMENTS FROM JANUARY 1, THROUGH JUNE 13, 2000. THESE SEAT BELT ASSEMBLIES FAIL TO COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 209, "SEAT BELT ASSEMBLIES." THE EQUIPMENT INVOLVED IS SERVICE STOCK SEAT BELT ASSEMBLIES, MODEL NOS. H 9977, H 9979, T 9063, AND T 9217, BUILT BY TRW VEHICLE SAFETY SYSTEMS, INC. (TRW) MANUFACTURED FROM JUNE 1, 1998 THROUGH MAY 21, 2000. SOME OF THESE SEAT BELT ASSEMBLIES MAY HAVE BEEN INSTALLED AS SERVICE REPLACEMENT EQUIPMENT ON THE VEHICLES INVOLVED IN THE RECALL.

00V157002Sep 2000

SEAT BELTS:FRONT:ANCHORAGE

VEHICLE DESCRIPTION: PASSENGER VEHICLES USING AFTERMARKET FRONT PASSENGER SIDE SEAT BELT ASSEMBLIES THAT WERE SOLD BY FORD PARTS DEPARTMENTS FROM JANUARY 1, THROUGH JUNE 13, 2000. THESE SEAT BELT ASSEMBLIES FAIL TO COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 209, "SEAT BELT ASSEMBLIES." THE EQUIPMENT INVOLVED IS SERVICE STOCK SEAT BELT ASSEMBLIES, MODEL NOS. H 9977, H 9979, T 9063, AND T 9217, BUILT BY TRW VEHICLE SAFETY SYSTEMS, INC. (TRW) MANUFACTURED FROM JUNE 1, 1998 THROUGH MAY 21, 2000. SOME OF THESE SEAT BELT ASSEMBLIES MAY HAVE BEEN INSTALLED AS SERVICE REPLACEMENT EQUIPMENT ON THE VEHICLES INVOLVED IN THE RECALL.

00V200000Aug 2000

EQUIPMENT:MECHANICAL:INTEGRATED JACK/LEVELER/STABILIZER

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THESE VEHICLES HAVE JACKING INSTRUCTIONS WHICH, IF FOLLOWED, COULD CAUSE THE VEHICLE OPERATOR TO PLACE THE JACK ON A FRAME WELD WHEN ATTEMPTING TO RAISE A REAR WHEEL. IF THE VEHICLE IS JACKED UP WITH THE JACK PLACED ON THE FRAME WELD AND IF THE VEHICLE IS FREE TO ROLL (WHEELS NOT BLOCKED OR CHOCKED), THE JACK COULD YIELD AND THE VEHICLE MAY DROP SUDDENLY.

06E056000Aug 2006

FUEL SYSTEM, GASOLINE

CERTAIN AFTERMARKET FUEL FILTERS SOLD UNDER THE PUROLATOR BRAND NAME, P/N F65277, SHIPPED FROM JANUARY 16 THROUGH JUNE 2, 2006, FOR USE ON THE ABOVE LISTED PASSENGER VEHICLES. DUE TO INCORRECT DESIGN, THE QUICK CONNECTORS MAY NOT FULLY SEAT WITH THE TUBE INTERFACE, EVEN THOUGH THE PERSON MAKING THE CONNECTION MAY BELIEVE THAT THE QUICK CONNECTOR IS FULLY ATTACHED.

07V336000Aug 2007

VEHICLE SPEED CONTROL

ON CERTAIN PICKUP TRUCKS, PASSENGER VEHICLES, SPORT UTILITY VEHICLES, AND MOTOR HOMES CHASSIS, THE SPEED CONTROL DEACTIVATION SWITCH MAY, UNDER CERTAIN CONDITIONS, LEAK INTERNALLY AND THEN OVERHEAT, SMOKE, OR BURN.

+ 2 more recalls in the full report

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

Unlock

The worst model year for the Mercury Grand Marquis is the 1997 — worth knowing if you're cross-shopping years. The biggest problem area is lights.

1998 Mercury Grand Marquis vs. Class Average (Large Cars)

This vehicle

168

Class avg

219

Complaint volume is roughly in line with other large cars vehicles from 1998.

Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 168 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 7 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Mercury Grand Marquis Model Years

20112010200920082007200620052004200320022001200019991998199719961995199419931992199119901989198819871986198519841983198219811980197919781977
View all Mercury Grand Marquis years →

1998 Mercury Grand Marquis: Frequently Asked Questions

What is the most common problem with the 1998 Mercury Grand Marquis?
The most commonly reported issue with the 1998 Mercury Grand Marquis is related to the lights, with 10 complaints filed with NHTSA.
Is the 1998 Mercury Grand Marquis reliable?
The 1998 Mercury Grand Marquis has 168 complaints, 9 crash reports, and 9 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.
How much does it cost to fix 1998 Mercury Grand Marquis problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 1998 Mercury Grand Marquis have any recalls?
Yes, the 1998 Mercury Grand Marquis has 7 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Mercury Grand Marquis problems start?
Based on 52 complaints with mileage data, the median mileage at time of complaint is 88,000 miles. The highest concentration of reported issues occurs in the 60–90K mile range. The full report breaks down exactly which components fail at each mileage bracket.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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10 sections of AI analysis based on 168 owner reports. Know before you buy.

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