2003 MERCURY GRAND MARQUIS — Owner-Reported Problems

NHTSA Office of Defects Investigation Snapshot 2026-08-22 361 complaints · 0 recalls
Most-reported system: EXTERIOR LIGHTING (192 complaints · 53.2%)
Safety signals:
  • Crashes 22
  • Fires 2
  • Injuries 14
  • Deaths 0
Compare with 2002 →
NHTSA Consumer Complaints Snapshot 2026-08-21 Open source record Read our complete data methodology →

Complaint counts reflect self-selected reports and are not normalised for production sales volume. We publish no reliability scores, superlatives, or vehicle rankings.

Component Problem Distribution

Share of owner complaints filed for each vehicle system (unaffected by sales volume)

Component Problem Distribution EXTERIOR LIGHTING appears in 192 of 361 owner complaints (53.2%) in this vehicle snapshot. EXTERIOR LIGHTING: 192 complaints, 53.2% of reports EXTERIOR LIGHTING 192 · 53.2% · 5 crash reports SUSPENSION: 25 complaints, 6.9% of reports SUSPENSION 25 · 6.9% STEERING: 23 complaints, 6.4% of reports STEERING 23 · 6.4% VEHICLE SPEED CONTROL: 23 complaints, 6.4% of reports VEHICLE SPEED CONTROL 23 · 6.4% · 13 crash reports ELECTRICAL SYSTEM: 22 complaints, 6.1% of reports ELECTRICAL SYSTEM 22 · 6.1% · 2 fire reports ENGINE: 14 complaints, 3.9% of reports ENGINE 14 · 3.9% POWER TRAIN: 10 complaints, 2.8% of reports POWER TRAIN 10 · 2.8% FUEL SYSTEM: 9 complaints, 2.5% of reports FUEL SYSTEM 9 · 2.5% WHEELS: 9 complaints, 2.5% of reports WHEELS 9 · 2.5% UNKNOWN OR OTHER: 83 complaints, 23.0% of reports UNKNOWN OR OTHER 83 · 23.0% · 5 crash reports 1 fire reports 0% 25% 50% 75% 100%

UNKNOWN OR OTHER is an NHTSA classification artifact and is always listed last.

View component data as a table
System / Component Complaints Share of Reports Safety Reports (Crashes / Fires)
EXTERIOR LIGHTING 192 53.2% 5 crashes · 0 fires
SUSPENSION 25 6.9% 0 crashes · 0 fires
STEERING 23 6.4% 0 crashes · 0 fires
VEHICLE SPEED CONTROL 23 6.4% 13 crashes · 0 fires
ELECTRICAL SYSTEM 22 6.1% 0 crashes · 2 fires
ENGINE 14 3.9% 0 crashes · 0 fires
POWER TRAIN 10 2.8% 0 crashes · 0 fires
FUEL SYSTEM 9 2.5% 0 crashes · 0 fires
WHEELS 9 2.5% 0 crashes · 0 fires
UNKNOWN OR OTHER 83 23.0% 5 crashes · 1 fires
NHTSA Consumer Complaints, NHTSA Safety Recalls, and NHTSA Defect Investigations Snapshot 2026-08-22 Open source record Read our complete data methodology →

Complaint counts reflect self-selected reports and are not normalised for production sales volume. We publish no reliability scores, superlatives, or vehicle rankings.

Problem & Recall Timeline

Observed complaint volume and manufacturer recall actions over time

Problem & Recall Timeline Owner reports in this snapshot begin in Oct 2002. 2002-Q4: 2 owner reports 2 2003-Q1: 5 owner reports 5 2003-Q2: 6 owner reports 6 2003-Q3: 12 owner reports 12 2003-Q4: 5 owner reports 5 2004-Q1: 7 owner reports 7 2004-Q2: 2 owner reports 2 2004-Q3: 3 owner reports 3 2004-Q4: 1 owner reports 1 2005-Q1: 4 owner reports 4 2005-Q2: 1 owner reports 1 2005-Q3: 2 owner reports 2 2005-Q4: 2 owner reports 2 2006-Q1: 3 owner reports 3 2006-Q2: 2 owner reports 2 2006-Q3: 1 owner reports 1 2006-Q4: 1 owner reports 1 2007-Q1: 4 owner reports 4 2007-Q2: 3 owner reports 3 2007-Q3: 1 owner reports 1 2008-Q1: 1 owner reports 1 2008-Q2: 6 owner reports 6 2008-Q3: 1 owner reports 1 2008-Q4: 1 owner reports 1 2009-Q1: 3 owner reports 3 2009-Q2: 4 owner reports 4 2009-Q3: 7 owner reports 7 2009-Q4: 6 owner reports 6 2010-Q1: 11 owner reports 11 2010-Q2: 7 owner reports 7 2010-Q3: 14 owner reports 14 2010-Q4: 7 owner reports 7 2011-Q1: 3 owner reports 3 2011-Q2: 4 owner reports 4 2011-Q3: 7 owner reports 7 2011-Q4: 6 owner reports 6 2012-Q1: 6 owner reports 6 2012-Q2: 3 owner reports 3 2012-Q3: 5 owner reports 5 2012-Q4: 6 owner reports 6 2013-Q1: 5 owner reports 5 2013-Q2: 5 owner reports 5 2013-Q3: 4 owner reports 4 2013-Q4: 6 owner reports 6 2014-Q1: 11 owner reports 11 2014-Q2: 9 owner reports 9 2014-Q3: 10 owner reports 10 2014-Q4: 12 owner reports 12 2015-Q1: 6 owner reports 6 2015-Q2: 8 owner reports 8 2015-Q3: 4 owner reports 4 2015-Q4: 7 owner reports 7 2016-Q1: 14 owner reports 14 2016-Q2: 4 owner reports 4 2016-Q3: 6 owner reports 6 2016-Q4: 4 owner reports 4 2017-Q1: 8 owner reports 8 2017-Q2: 4 owner reports 4 2017-Q3: 5 owner reports 5 2017-Q4: 4 owner reports 4 2018-Q1: 2 owner reports 2 2018-Q2: 1 owner reports 1 2018-Q3: 4 owner reports 4 2018-Q4: 1 owner reports 1 2019-Q1: 3 owner reports 3 2019-Q2: 2 owner reports 2 2019-Q3: 1 owner reports 1 2019-Q4: 2 owner reports 2 2020-Q1: 1 owner reports 1 2020-Q2: 1 owner reports 1 2020-Q3: 1 owner reports 1 2020-Q4: 1 owner reports 1 2021-Q1: 1 owner reports 1 2021-Q2: 1 owner reports 1 2021-Q3: 1 owner reports 1 2021-Q4: 1 owner reports 1 2022-Q1: 2 owner reports 2 2022-Q3: 2 owner reports 2 2022-Q4: 3 owner reports 3 2023-Q1: 2 owner reports 2 2023-Q2: 4 owner reports 4 2023-Q3: 1 owner reports 1 2024-Q1: 2 owner reports 2 2024-Q3: 4 owner reports 4 2024-Q4: 2 owner reports 2 2025-Q1: 1 owner reports 1 2025-Q2: 2 owner reports 2 2026-Q2: 1 owner reports 1 Owner reports Oct 2002 Apr 2026 Investigation PE03009 ● Investigation PE03009 Investigation PE04010 ● Investigation PE04010 Investigation DP05005 ● Investigation DP05005 Investigation PE08066 ● Investigation PE08066 Investigation DP15002 ● Investigation DP15002 Investigation PE15028 ● Investigation PE15028
View timeline records as a table
Date Record type Count Record identifier
2002-Q4 Owner reports 2
2003-Q1 Owner reports 5
2003-Q2 Owner reports 6
2003-Q3 Owner reports 12
2003-Q4 Owner reports 5
2004-Q1 Owner reports 7
2004-Q2 Owner reports 2
2004-Q3 Owner reports 3
2004-Q4 Owner reports 1
2005-Q1 Owner reports 4
2005-Q2 Owner reports 1
2005-Q3 Owner reports 2
2005-Q4 Owner reports 2
2006-Q1 Owner reports 3
2006-Q2 Owner reports 2
2006-Q3 Owner reports 1
2006-Q4 Owner reports 1
2007-Q1 Owner reports 4
2007-Q2 Owner reports 3
2007-Q3 Owner reports 1
2008-Q1 Owner reports 1
2008-Q2 Owner reports 6
2008-Q3 Owner reports 1
2008-Q4 Owner reports 1
2009-Q1 Owner reports 3
2009-Q2 Owner reports 4
2009-Q3 Owner reports 7
2009-Q4 Owner reports 6
2010-Q1 Owner reports 11
2010-Q2 Owner reports 7
2010-Q3 Owner reports 14
2010-Q4 Owner reports 7
2011-Q1 Owner reports 3
2011-Q2 Owner reports 4
2011-Q3 Owner reports 7
2011-Q4 Owner reports 6
2012-Q1 Owner reports 6
2012-Q2 Owner reports 3
2012-Q3 Owner reports 5
2012-Q4 Owner reports 6
2013-Q1 Owner reports 5
2013-Q2 Owner reports 5
2013-Q3 Owner reports 4
2013-Q4 Owner reports 6
2014-Q1 Owner reports 11
2014-Q2 Owner reports 9
2014-Q3 Owner reports 10
2014-Q4 Owner reports 12
2015-Q1 Owner reports 6
2015-Q2 Owner reports 8
2015-Q3 Owner reports 4
2015-Q4 Owner reports 7
2016-Q1 Owner reports 14
2016-Q2 Owner reports 4
2016-Q3 Owner reports 6
2016-Q4 Owner reports 4
2017-Q1 Owner reports 8
2017-Q2 Owner reports 4
2017-Q3 Owner reports 5
2017-Q4 Owner reports 4
2018-Q1 Owner reports 2
2018-Q2 Owner reports 1
2018-Q3 Owner reports 4
2018-Q4 Owner reports 1
2019-Q1 Owner reports 3
2019-Q2 Owner reports 2
2019-Q3 Owner reports 1
2019-Q4 Owner reports 2
2020-Q1 Owner reports 1
2020-Q2 Owner reports 1
2020-Q3 Owner reports 1
2020-Q4 Owner reports 1
2021-Q1 Owner reports 1
2021-Q2 Owner reports 1
2021-Q3 Owner reports 1
2021-Q4 Owner reports 1
2022-Q1 Owner reports 2
2022-Q3 Owner reports 2
2022-Q4 Owner reports 3
2023-Q1 Owner reports 2
2023-Q2 Owner reports 4
2023-Q3 Owner reports 1
2024-Q1 Owner reports 2
2024-Q3 Owner reports 4
2024-Q4 Owner reports 2
2025-Q1 Owner reports 1
2025-Q2 Owner reports 2
2026-Q2 Owner reports 1
Defect investigation 1 PE03009
Defect investigation 1 PE04010
Defect investigation 1 DP05005
Defect investigation 1 PE08066
Defect investigation 1 DP15002
Defect investigation 1 PE15028
NHTSA Safety Recalls Snapshot 2026-08-22 Open source record Read our complete data methodology →

Safety Recalls (0)

Official safety recall campaigns filed with NHTSA

Zero safety recalls recorded for this model year in official NHTSA records.

NHTSA Consumer Complaints Snapshot 2026-08-21 Open source record Read our complete data methodology →

Complaint counts reflect self-selected reports and are not normalised for production sales volume. We publish no reliability scores, superlatives, or vehicle rankings.

Complaint Narrative Explorer

Verbatim owner-reported defect narratives from NHTSA public records

Data: NHTSA Office of Defects Investigation · snapshot Aug 21, 2026
Safety incident filters
Showing 0 of 361 complaints · page 1 of 15

No complaints match the current filters.
EPA Fuel Economy Database Snapshot 2026-08-21 Open source record Read our complete data methodology →

Estimated Ownership Cost

EPA fuel economy ratings and annual operating cost estimates

Data: US EPA Fuel Economy Guide · snapshot Aug 21, 2026
Supported range: 1,000–60,000 miles per year
Supported range: $1.50–$10.00 per gallon
55% city45% highway
Estimate unavailable

EPA fuel-economy data is unavailable for this vehicle.

No estimate is shown when required EPA values are unavailable.

 Open Ownership Cost Calculator →

Adjacent Model Years

Immediate preceding and succeeding model year records

NHTSA Consumer Complaints Snapshot 2026-08-21 Open source record Read our complete data methodology →

Complaint counts reflect self-selected reports and are not normalised for production sales volume. We publish no reliability scores, superlatives, or vehicle rankings.

Methodology & Data Integrity

Data sourced from NHTSA Office of Defects Investigation. Snapshot date: 2026-08-21.

Read our complete data methodology → Sources