Product Description
1979-1989 Mercury Grand Marquis, Front Center, Bench Seat Belt
- Middle of the front bench
- Non-retracting two-point lap belt
- All-steel button latch
- Hardware supplied
- FMVSS 209 and 302 rated
A Grand Marquis bench seat can carry three across, but the middle belt is often missing, twisted under the cushion or simply worn out. Seatbelt Planet's front center belt gives that spot a non-retractable two-point lap belt with an all-steel button latch, and the hardware is included.
Fitment
Listed for the front center position of the bench in 1979-1989 Mercury Grand Marquis models.
Webbing Colors
Webbing is available in 52 colors, 13 premium. Choose the shade used on your outboard belts so the bench looks uniform.
Why Replace?
A middle rider deserves the same protection as anyone else in the car, and a fresh center belt makes that seat usable again.
Belt Care
With the middle seat empty, drape both Grand Marquis halves over the cushion so they stay visible.
About the Grand Marquis Front Center
Mercury's full-size sedan was downsized for 1979, losing length and weight while keeping a roomy cabin. It remained in production with few major changes for years, a sign of how well the basic design worked.
Before You Install
Slide the Mercury's bench forward to find both middle anchor holes and clear their threads.
Good to Know
Sold for one person.
Center belts were often removed during upholstery work or tucked away and forgotten, so many surviving cars need one.
This center strap meets FMVSS 209 and 302 according to Seatbelt Planet and is sewn per order.
Being a plain fixed strap, it rests flat and leaves the outer Grand Marquis riders plenty of room.
Order it together with the outboard belts if you want the whole bench done in one color at the same time.
Families who still use a Grand Marquis as a road-trip car will appreciate having a proper belt for a third front passenger.
Colony Park wagon owners should confirm their seat layout before ordering, since the listing is for the bench seat.
Three working belts across the bench make a cared-for Panther Mercury look complete.
Mercury kept this bench layout for most of the decade, so the middle belt is a common need across the whole 1979-1989 range, from early sedans with square headlamps to the later facelifted cars.
Shoppers who already replaced the outer Grand Marquis belts can add this strap afterward and pick the same shade from the chart.
Mercury's 1979 downsizing trimmed roughly a foot from the car's length, yet the cabin stayed wide enough for three adults on the front bench, which is why the middle belt still earns its keep in these sedans today.
Order the middle strap alongside new outboard belts and all three positions will share one dye lot.
The Grand Marquis is now a recognized classic car among full-size fans.
Frequently Asked Questions
Which position?
The front center of the bench seat.
Does it retract?
No, it is a fixed lap belt.
Hardware?
Included.
Years?
1979-1989 Mercury Grand Marquis.
Outboard belts?
Sold separately.
Colors?
Fifty-two choices.
Questions about fit?
Call 574-226-6676.
1979-1989 Mercury Grand Marquis, Front Center, Bench Seat Belt specifications
- Seatbelt Planet aftermarket seat belt / restraint product (application per listing title)
- Vehicle application from listing: 1979-1989 Mercury Grand Marquis, Front Center, Bench
- Tested and certified to meet FMVSS 209 and FMVSS 302 (certification tag on belts)
- Sold as aftermarket replacement — confirm buckle style, retractable vs fixed, and seat type before order
- Complete belts are preferred; mixing buckle/tongue brands is not recommended (components are designed to work together)
- 1-year manufacturer warranty for component issues from ship date (excludes abuse, accident damage, or disassembly)
- 90-day satisfaction guarantee per Seatbelt Planet (installed returns may incur restocking fee)
Installation Tips — 1979-1989 Mercury Grand Marquis, Front Center, Bench Seat Belt
- Confirm this listing matches your vehicle (1979-1989 Mercury Grand Marquis, Front Center, Bench), seat type (bench vs bucket), and buckle/retractor style before installing.
- Inspect mounting points for solid metal structure. Seatbelt Planet products are aftermarket — fabrication or adapters may be required on some vehicles.
- Use appropriate grade hardware. Some listings sell mounting hardware separately.
- Install a complete belt assembly when possible; do not mix unmatched buckle and tongue brands.
- After install, verify full extension, retraction (if applicable), and latching before driving.
- If unsure, use a professional installer. Improper installation can cause serious injury.
Selection help: Seatbelt Planet FAQ / guides at seatbeltplanet.com/faq.html · phone 405-736-0088.
Vintage Car Radio does not offer installation.
1979-1989 Mercury Grand Marquis, Front Center, Bench Seat Belt manuals
- Seatbelt Planet FAQ (FMVSS, warranty, returns)
- Seatbelt Planet common questions / selection help
- Use any instruction sheet packed with your order for model-specific steps
Manufacturer: Seatbelt Planet · 405-736-0088
One-Year Seatbelt Planet Warranty
Per Seatbelt Planet, seat belts are covered under a one-year manufacturer warranty for component issues from the date shipped. Warranty returns are not accepted if there has been obvious abuse, the belt was involved in an accident, or the belt has been disassembled / components removed.
Seatbelt Planet also states a 90-day satisfaction guarantee; installed returns may be subject to a restocking fee. RMA required — contact Seatbelt Planet or Vintage Car Radio at 844-802-4499 / 574-226-6676.
Vintage Car Radio does not install seat belts.
FAQ — 1979-1989 Mercury Grand Marquis, Front Center, Bench Seat Belt
Are these FMVSS / DOT approved?
Seatbelt Planet states belts are tested and certified to FMVSS 209 and 302; the certification tag is on the belt.
Can I replace only one side?
Seatbelt Planet recommends installing a complete belt — buckle and tongue are designed to work together.
Will this fit 1979-1989 Mercury Grand Marquis, Front Center, Bench?
Match the years, make/model, and seat position in the title. Call Seatbelt Planet at 405-736-0088 if you need a custom belt.
Do you install?
No.
Need help?
844-802-4499 / 574-226-6676, or Seatbelt Planet 405-736-0088.
Specs
Installation Tips
Manuals
Warranty
One-Year Seatbelt Planet Warranty
Per Seatbelt Planet, seat belts are covered under a one-year manufacturer warranty for component issues from the date shipped. Warranty returns are not accepted if there has been obvious abuse, the belt was involved in an accident, or the belt has been disassembled / components removed.
Seatbelt Planet also states a 90-day satisfaction guarantee; installed returns may be subject to a restocking fee. RMA required — contact Seatbelt Planet or Vintage Car Radio at 844-802-4499 / 574-226-6676.
Vintage Car Radio does not install seat belts.
