Vehicle Data Hub

2003 Mercury Grand Marquis lighting problems

210 complaints about lighting have been filed for the 2003 Mercury Grand Marquis, which is 47% of all its NHTSA complaints. It is the most reported problem area for this model year.

At a glance

Complaints
210 47% of this year's complaints
Typical mileage
96,000 miles 167 complaints with mileage
Crashes and fires
5 and 0
Injuries and deaths
1 and 0

Source: NHTSA owner complaints

When lighting problems show up

Lighting complaints by mileage, 2003 Mercury Grand Marquis Complaints by odometer reading in 20,000-mile steps. The median is about 96,000 miles. 0k to 20k miles: 1 complaints 20k to 40k miles: 1 complaints 40k to 60k miles: 26 complaints 60k to 80k miles: 27 complaints 80k to 100k miles: 36 complaints 100k to 120k miles: 22 complaints 120k to 140k miles: 20 complaints 140k to 160k miles: 11 complaints 160k to 180k miles: 7 complaints 180k to 200k miles: 6 complaints 200k+ miles: 10 complaints 040k80k120k160k200k miles Typical: 96,000 miles
Based on 167 complaints that include mileage. 17% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles1
20k to 40k miles1
40k to 60k miles26
60k to 80k miles27
80k to 100k miles36
100k to 120k miles22
120k to 140k miles20
140k to 160k miles11
160k to 180k miles7
180k to 200k miles6
200k+ miles10

What the data shows

Of the 167 lighting complaints that report mileage, the median is about 96,000 miles, and 17% were reported before 60,000 miles.

These complaints mention 5 crashes, 1 injury.

What owners wrote

Its the LCM L(IGHT CONTROL MODULE)...HEAD LIGHTS went out on me one night coming down [XXX] causing me to wreck in a ditch and hitting a light pole

January 2024 CrashInjury

Tl*the contact owns a 2003 mercury grand marquis. The contact stated that the headlights module failed. While driving approximately 45 MPH at night the headlights shut off and caused the driver to hit a deer. The front end was damaged. The dealer advised the contact to report the failure to the manufacturer. There were no related recalls on the headlights. The failure mileage was 110,000.

Reported at 110,000 miles, December 2009 Crash

Other problems reported for the 2003 Mercury Grand Marquis

Lighting problems in other years

Lighting problems across all Mercury models