2003 Mercury Marquis problems
The 2003 Mercury Marquis has 42 complaints on file with NHTSA. The largest share (19%) concerns lighting. Next are cruise control (12%) and brakes (10%).
At a glance
- Complaints
- 42 filed with NHTSA
- Most reported
- Lighting 19% of complaints
- Crashes and fires
- 4 and 1
- Injuries and deaths
- 4 and 0
- Typical mileage
- 42,000 miles 26 complaints with mileage
Source: NHTSA owner complaints
Where the complaints are
Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.
When problems show up
View the numbers
| Mileage | Complaints |
|---|---|
| 0k to 20k miles | 7 |
| 20k to 40k miles | 5 |
| 40k to 60k miles | 6 |
| 60k to 80k miles | 3 |
| 80k to 100k miles | 0 |
| 100k to 120k miles | 1 |
| 120k to 140k miles | 2 |
| 140k to 160k miles | 1 |
| 160k to 180k miles | 0 |
| 180k to 200k miles | 1 |
| 200k+ miles | 0 |
What the data shows
Of the 26 complaints that include odometer readings, half describe a problem before roughly 42,000 miles.
Safety-related details: 4 complaints mention a crash; 1 complaint mentions a fire; 4 injuries reported.
Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2003 ranks 3rd most-complained-about out of 10 model years of the Mercury Marquis with enough data (21 complaints in that window).
What owners wrote
A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.
While driving 45 MPH driver lost control of the vehicle, and it crashed into a utility pole. Upon impact, both air bags did not deploy. Driver and passenger sustained injuries, and were transported to the hospital.
While driving in bumper to bumper traffic, the vehicle's brakes failed. The pedal was extremely hard to press which resulted in a rear end collision. *nlm suspected the brake/gas pedal raised to the same level when switch was activated, possible depressing brake and gas at the same time. (californiahighway patrol) *scc
While consumer was driving on an interstate traffic was at a complete stop and a collision occurred, consumer's vehicle was hit from behind, and pushed into another vehicle. Upon impact, air bags did not deploy, and vehicle was totaled. Driver sustained injuries. The consumer stated that the head rests were to far from the head to be effective. The consumer suffered injuries.
We bought a used 2003 mercury gr. Marquis,ls, in sep't. 2003. Two days later the check engine light came on. The dealer, mace lincoln mercury, 629 ohio st. Terre haute, in. 47807, worked on the car 8 times without success. I contacted the mercury complaint line twice. Scott shepard, the service manager requested a field engineer from the manufacturer. They refused to send one, but told him to install a new computer, which he did on march 26, 2004. The light came on again april 23.
Tl* the contact owns a 2003 mercury grand marquis. The contact stated that the headlights would flicker on and off sporadically. The dealer repaired the failure by replacing the control module. The manufacturer was notified, but denied any assistance with repairs to the defect. The vehicle was repaired. The failure mileage was 150,000 and the current mileage was 152,484.