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Latches, locks and linkagesPart report

2003 Mercury Grand Marquis Latches, locks and linkages Problems

Complaints
1about this part
Share
0%of 362 total for the year
Median mileage
179,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the latches, locks and linkages of the 2003 Mercury Grand Marquis, 0% of the 362 complaints for this model year. Where a mileage was given, the median is 179,000 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 2003 Mercury Grand Marquis. The contact stated that the headlights and taillights were inoperable, and the trunk failed to open. Additionally, all the doors failed to manually lock, and while utilizing the key fob, the door locks were inoperable. The door-ajar message was displayed. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline. The contact stated that the failure was related to NHTSA Campaign Number: 15V861000 (Exterior Lighting). …”

NHTSA complaint #11576191, filed 2024-03, 179,000 miles

Latches, locks and linkages: other model years

YearComplaintsShare of year
200611%
200510%
200421%
200310%
200011%
199932%
199821%
199752%
199610%
199311%
199262%
199122%
198912%

Other parts of the 2003 Mercury Grand Marquis

Exterior lighting
207 complaints
Electrical system
51 complaints
Steering
28 complaints
Suspension
28 complaints
Vehicle speed control
27 complaints
Engine cooling
13 complaints
Transmission and drivetrain
12 complaints
Air bags
11 complaints
Fuel system
10 complaints
Visibility (wipers, defrost, mirrors)
10 complaints
Wheels
10 complaints
Body and structure
9 complaints

← All problems reported for the 2003 Mercury Grand Marquis

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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