How to Service and Repair the Air Bag Control Module on Mercury Mariner?

To service the Restraints Control Module (RCM) it is important to be sure that the ignition is switched off and that it is in its original mounting location to avoid accidental deployment of the airbag. Damage inspection, replacement, and memory savers should be avoided. Electronic modules should be carefully handled, proper installation of programmable modules done and proper installation practices followed to achieve functionality.

What precautions should be taken when servicing the air bag control module and RCM on Mercury Mariner?

Safety glasses are always used whenever working on the air bag control module to avoid getting injured. Check on the restraint control module (RCM) following a crash. Do not change the RCM when the ignition is ON. Following adequate installation is required to prevent any diagnostic trouble code and ensure that the SRS is functioning and then the vehicle should be sent back.

OEM Mercury Mariner Air Bag Control Module

SRS Airbag Module

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13 Air Bag Control Modules found

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Mercury Mariner Control Module Part Number: 8L8Z-14B321-C
$408.06 MSRP: $599.20
You Save: $191.14 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; SDM Module; Sensor Assembly - Air Bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Mercury Mariner | Base, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Mariner Control Module Part Number: BL8Z-14B321-C
$555.95 MSRP: $823.63
You Save: $267.68 (33%)
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Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; SDM Module; Sensor Assembly - Air Bag
- Replaces: 9L8Z-14B321-A, AL8Z-14B321-A, BL8Z-14B321-A, BL8Z-14B321-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2011 Mercury Mariner | Base, Premier | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Mariner Control Module Part Number: YL8Z-14B321-CA
$103.22 MSRP: $142.80
You Save: $39.58 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; SDM Module; Sensor Assembly - Air Bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2006 Mercury Mariner | Base, Convenience, Hybrid, Luxury, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Mariner Control Module Part Number: 5L8Z-14B321-BB
$192.52 MSRP: $266.34
You Save: $73.82 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; SDM Module
- Replaces: 5L8Z-14B321-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005 Mercury Mariner | Base, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Mariner Control Module Part Number: BM6Z-14B321-C
$433.16 MSRP: $599.24
You Save: $166.08 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; SDM Module; Sensor Assembly - Air Bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2011 Mercury Mariner | Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Mercury Mariner Control Module Part Number: 6M6Z-14B321-HC
$28.75 MSRP: $39.77
You Save: $11.02 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; Sensor Assembly - Air Bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2007 Mercury Mariner | Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV)
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Mercury Mariner Control Module Part Number: YL8Z-14B321-DA
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; SDM Module; Sensor Assembly - Air Bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2006 Mercury Mariner | Base, Convenience, Hybrid, Luxury, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
View related parts
Mercury Mariner Control Module Part Number: 5L8Z-14B321-AC
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; SDM Module
- Replaces: 5L8Z-14B321-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005 Mercury Mariner | Base, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
View related parts
Mercury Mariner Control Module Part Number: 8M6Z-14B321-C
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; SDM Module; Sensor Assembly - Air Bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Mercury Mariner | Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV)
View related parts
Mercury Mariner Control Module Part Number: 6M6Z-14B321-GA
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; Sensor Assembly - Air Bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2007 Mercury Mariner | Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV)
View related parts
Mercury Mariner Control Module Part Number: 6L8Z-14B321-DB
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; Sensor Assembly - Air Bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2007 Mercury Mariner | Convenience, Luxury, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
View related parts
Mercury Mariner Control Module Part Number: 6L8Z-14B321-CA
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; SDM Module; Sensor Assembly - Air Bag
- Replaces: 5L8Z-14B321-CA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2007 Mercury Mariner | Base, Convenience, Hybrid, Luxury, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
View related parts
Mercury Mariner SDM Module Part Number: 5L8Z-14B321-DA
Product Specifications
- Other Name: Sensor Assembly - Airbag; Sensor Assembly - Air Bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2006 Mercury Mariner | Base, Convenience, Hybrid, Luxury, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS

Mercury Mariner Air Bag Control Module

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Mercury Mariner Air Bag Control Module Parts and Q&A

Control Module
8L8Z-14B321-C
Q: How to Service and Repair the Air Bag Control Module on Mercury Mariner?
A: To service the Restraints Control Module (RCM) it is important to be sure that the ignition is switched off and that it is in its original mounting location to avoid accidental deployment of the airbag. Damage inspection, replacement, and memory savers should be avoided. Electronic modules should be carefully handled, proper installation of programmable modules done and proper installation practices followed to achieve functionality.
Control Module
5L8Z-14B321-AC
Q: What precautions should be taken when servicing the air bag control module and RCM on Mercury Mariner?
A: Safety glasses are always used whenever working on the air bag control module to avoid getting injured. Check on the restraint control module (RCM) following a crash. Do not change the RCM when the ignition is ON. Following adequate installation is required to prevent any diagnostic trouble code and ensure that the SRS is functioning and then the vehicle should be sent back.