What are the checks and actions to be taken for the seat belt system on Mercury Mariner?

Look out for any harm or wear and tear on those seat belts, buckles, latch plates and guide loops. Once the key is turned to the Rumor Start position, check whether the seat belt reminder light comes on and a bell rings. When it comes to sudden stops or crashes, the seat belts lock up but remain slack normally. Also, confirm that the retractors return the belt against your chest while driving and rewind the belt all the way when you unlatch the buckle. Replace parts as necessary if any of these checks show problems with your seat belt system.

Genuine Mercury Mariner Seat Belt

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92 Seat Belts found

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Mercury Mariner Lap & Shoulder Belt
Part Number: 8L8Z-78611B09-AF
$209.46 MSRP: $286.21
You Save: $76.75 (27%)
ADD TO CART
Product Specifications
- Other Name: Pretensioner - Seat Belt Retractor; Lap & Shoulder Belt, Retractor Assembly
- Position: Driver Side
- Replaces: 8L8Z-78611B09-AC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Lap & Shoulder Belt
Part Number: 8L8Z-78611B08-AF
$409.46 MSRP: $645.02
You Save: $235.56 (37%)
ADD TO CART
Product Specifications
- Other Name: Pretensioner - Seat Belt Retractor; Lap & Shoulder Belt, Retractor Assembly
- Position: Passenger Side
- Replaces: 8L8Z-78611B08-AC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2011 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Lap & Shoulder Belt
Part Number: 8L8Z-78611B08-AE
$242.76 MSRP: $334.44
You Save: $91.68 (28%)
ADD TO CART
Product Specifications
- Other Name: Pretensioner - Seat Belt Retractor; Lap & Shoulder Belt, Retractor Assembly
- Manufacturer Note: (-C*)
- Position: Passenger Side
- Replaces: 8L8Z-78611B08-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2011 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Lap & Shoulder Belt
Part Number: AL8Z-78611B68-BA
$125.56 MSRP: $171.57
You Save: $46.01 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Seat Belt Assembly; Lap & Shoulder Belt
- Manufacturer Note: (-S*)
- Position: Passenger Side
- Replaces: 9L8Z-78611B68-AA, 9L8Z-78611B68-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2011 Mercury Mariner | 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Seat Belt Assembly
Part Number: 9L8Z-78611B68-AA
$125.56 MSRP: $171.57
You Save: $46.01 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Manufacturer Note: (-S*)
- Position: Passenger Side
- Replaced by: AL8Z-78611B68-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2010 Mercury Mariner | 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Seat Belt Retractor Pretensioner
Part Number: 8L8Z-78611B08-AC
$409.46 MSRP: $645.02
You Save: $235.56 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pretensioner - Seat Belt Retractor
- Manufacturer Note: (-9*)
- Position: Passenger Side
- Replaced by: 8L8Z-78611B08-AF
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Seat Belt Assembly
Part Number: 5L8Z-78611B08-BAB
$271.95 MSRP: $374.66
You Save: $102.71 (28%)
ADD TO CART
Product Specifications
- Manufacturer Note: (-2*)
- Position: Passenger Side
- Replaced by: 6L8Z-78611B08-AAB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2006 Mercury Mariner | 4 Cyl 2.3L, 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
View related parts
Mercury Mariner Seat Pretensioner
Part Number: 8L8Z-7861203-BA
$79.62 MSRP: $186.90
You Save: $107.28 (58%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Pretensioner - Seat Belt Buckle
- Position: Driver Side
- Replaced by: 9L8Z-7861203-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2009 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Buckle End
Part Number: 9L8Z-7861202-AA
$129.98 MSRP: $190.03
You Save: $60.05 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pretensioner - Seat Belt Buckle; Buckle End, Latch
- Position: Passenger Side
- Replaces: 8L8Z-7861202-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2011 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Buckle End
Part Number: 9L8Z-7861203-BA
$127.84 MSRP: $186.90
You Save: $59.06 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pretensioner - Seat Belt Buckle; Buckle End, Latch
- Position: Driver Side
- Replaces: 8L8Z-7861203-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2011 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Buckle End
Part Number: 9L8Z-7861203-AA
$129.98 MSRP: $190.03
You Save: $60.05 (32%)
ADD TO CART
Product Specifications
- Other Name: Pretensioner - Seat Belt Buckle; Buckle End, Latch
- Position: Driver Side
- Replaces: 8L8Z-7861203-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2011 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Lap & Shoulder Belt
Part Number: AL8Z-78611B69-BA
$150.96 MSRP: $209.71
You Save: $58.75 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Seat Belt Assembly; Lap & Shoulder Belt, Retractor Assembly
- Manufacturer Note: (-S*)
- Position: Driver Side
- Replaces: 9L8Z-78611B69-AA, 9L8Z-78611B69-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2011 Mercury Mariner | 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Lap & Shoulder Belt
Part Number: AL8Z-78611B64-AB
$200.82 MSRP: $296.72
You Save: $95.90 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seat Belt Assembly; Center Seat Belt, Lap & Shoulder Belt
- Position: Center
- Replaces: 8L8Z-78611B64-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2011 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Lap & Shoulder Belt
Part Number: AL8Z-78611B09-AC
$299.36 MSRP: $442.32
You Save: $142.96 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pretensioner - Seat Belt Retractor; Lap & Shoulder Belt, Retractor Assembly
- Manufacturer Note: (-9*)
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2010-2011 Mercury Mariner | 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Lap & Shoulder Belt
Part Number: 8L8Z-78611B08-AD
$451.18 MSRP: $674.42
You Save: $223.24 (34%)
ADD TO CART
Product Specifications
- Other Name: Pretensioner - Seat Belt Retractor; Lap & Shoulder Belt, Retractor Assembly
- Manufacturer Note: (-S*)
- Position: Passenger Side
- Replaces: 8L8Z-78611B08-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2011 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Lap & Shoulder Belt
Part Number: AL8Z-78611B09-AA
$319.26 MSRP: $471.72
You Save: $152.46 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pretensioner - Seat Belt Retractor; Lap & Shoulder Belt, Retractor Assembly
- Manufacturer Note: (-S*)
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2010-2011 Mercury Mariner | 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Lap & Shoulder Belt
Part Number: 8L8Z-78611B68-AD
$66.91 MSRP: $92.95
You Save: $26.04 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Seat Belt Assembly; Lap & Shoulder Belt, Retractor Assembly
- Manufacturer Note: (-S*)
- Position: Passenger Side
- Replaces: 8L8Z-78611B68-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Lap & Shoulder Belt
Part Number: 8L8Z-78611B69-AD
$94.99 MSRP: $131.96
You Save: $36.97 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Seat Belt Assembly; Lap & Shoulder Belt, Retractor Assembly
- Manufacturer Note: (-S*)
- Position: Driver Side
- Replaces: 8L8Z-78611B69-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Seat Belt Assembly
Part Number: 8L8Z-78611B64-AC
Product Specifications
- Position: Center
- Replaced by: AL8Z-78611B64-AC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2009 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Seat Belt Assembly
Part Number: 9L8Z-78611B69-AA
Product Specifications
- Other Name: Seat Belt Assy
- Manufacturer Note: (-S*)
- Position: Driver Side
- Replaced by: AL8Z-78611B69-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2010 Mercury Mariner | 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive

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1-20 of 92 Results

Mercury Mariner Seat Belt

The Seat Belt of a Mercury Mariner gives vital restraint that keeps the occupants from striking the cabin of the SUV and being flung out of their seat. All through the years, each Mercury variant of the Mariner uses a three-point Seat Belt configuration that integrates strong polyester webbing, a locking retractor, a buckle, and a metal tongue, so the system distributes crash forces across the chest and pelvis while anchoring people in a safe position for air bag assistance. When the vehicle brakes suddenly, the retractor of the Seat Belt senses the deceleration and locks tight, holding the webbing and halting the forward movement in fractions of a second. Prior models of Mariner had the same basic Seat Belt as there were no lap-only belts to compare since federal mandates had made the setup a must. Later, they maintained the same layout at Mercury. Variations in buckle style or webbing color exist, but the Seat Belt mechanism remains the same. Therefore, a replacement part, which typically costs low, can be installed without changing the operation, keeping Mercury and Mariner occupants safe.

We provide a wide range of Mercury Mariner Seat Belt at the optimal prices. If you need Mercury Mariner Seat Belt, you can shop with confidence on our website. All our OEM parts come with a manufacturer's warranty and are delivered to your doorstep with a fast delivery service.

Mercury Mariner Seat Belt Parts Questions & Experts Answers

Seat Belt Assembly
6L8Z-78611B09-BC
Q:
What are the checks and actions to be taken for the seat belt system on Mercury Mariner?
Posted by Regon O.
A:
Look out for any harm or wear and tear on those seat belts, buckles, latch plates and guide loops. Once the key is turned to the Rumor Start position, check whether the seat belt reminder light comes on and a bell rings. When it comes to sudden stops or crashes, the seat belts lock up but remain slack normally. Also, confirm that the retractors return the belt against your chest while driving and rewind the belt all the way when you unlatch the buckle. Replace parts as necessary if any of these checks show problems with your seat belt system.
Answered by Ford Parts Specialist John / Mar 23, 2025

Related Mercury Mariner Parts

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