2017-2023 McLaren 720S Speaker Bezel: Chasing Rattles and Matching Trims
This guide covers the common causes of failure, replacement, and how to buy the correct used speaker bezel for your 720S's specific audio system and interior.
- The most critical step is verifying your car's audio system (Standard vs. optional Bowers & Wilkins) as the speaker bezels are different and not interchangeable.
- Failure is almost always physical: broken mounting tabs causing rattles or cosmetic cracks and scuffs.
- When buying a used bezel, the integrity of the rear mounting tabs is the most important inspection point; even one broken tab can cause a rattle.
- Replacement is complex, requiring full removal of the interior door panel, and is best left to professionals or experienced DIYers.
Symptoms of a Failing Speaker Bezel
Unlike a mechanical part, a speaker bezel's failure is typically physical or cosmetic. The symptoms are often audible or visible and do not trigger any warning lights or diagnostic trouble codes.
Audible Rattling or Buzzing
The most common symptom of a failing speaker bezel is a persistent rattling, buzzing, or creaking sound coming from the door panel. This noise can be especially noticeable at certain engine RPMs or when driving over rough surfaces. Forum users have frequently reported chasing down door rattles on the 720S. The noise is often caused by one or more broken mounting tabs on the back of the bezel, which prevents it from sitting securely against the door panel. The vibration from the road or the speaker itself can then cause the loose plastic to vibrate.
Visible Damage
Physical damage is another clear sign of failure. This can include:
- Cracks or Fractures: The plastic bezel itself can crack from an impact, such as being kicked when entering or exiting the vehicle.
- Scratches and Scuffs: Cosmetic damage from general wear and tear.
- Dented Grille Mesh: The perforated part of the bezel can be dented, which is purely a cosmetic issue but can be unsightly.
- Loose Fit: You may be able to see a gap between the bezel and the door panel, or the part may feel loose to the touch.
Pro Tip: To diagnose a rattle, gently press on the speaker bezel while driving (if safe to do so) or while the car is parked and the stereo is playing music with bass. If the rattle stops when you apply pressure, the bezel or its mounting is almost certainly the source of the noise.
Known Issues, Recalls, and TSBs
As of mid-2024, there are no specific recalls or Technical Service Bulletins (TSBs) issued by McLaren or the NHTSA for the speaker bezels on the 2017-2023 720S. However, door panel rattles are a widely discussed topic among owners. While the speaker bezel is a potential cause, other components within the complex door assembly can also be the source. Diagnosing the exact source is key before replacing parts.
Variant Differences: Standard vs. Bowers & Wilkins Audio
This is the most critical factor when purchasing a replacement speaker bezel. The McLaren 720S was offered with two main audio systems, and the speaker grilles are different for each.
- Standard Audio System: A 4-speaker system.
- Bowers & Wilkins (B&W) Audio System: An optional, upgraded 12-speaker surround sound system.
The B&W system includes additional speakers, such as dedicated tweeters in the upper door area, which have their own unique grilles. The main speaker bezel may also have a different design or branding. It is essential to identify which audio system your vehicle has before ordering a part. A bezel from a standard system will not fit a car with the B&W system, and vice versa.
Furthermore, McLaren offered 'Luxury' and 'Performance' interior trim packages which could include different materials like Alcantara, Nappa leather, and carbon fiber accents. While the base speaker bezel is typically a standard plastic or metal finish, ensure the replacement part's color and finish match your car's existing interior trim.
Warning: Do not assume all speaker bezels are the same. Verify your vehicle's audio system (Standard or Bowers & Wilkins) and compare the part number from your original part to the replacement.
Buying a Used Speaker Bezel
Given the high cost of new OEM McLaren parts, a used speaker bezel is an excellent value. However, careful inspection is crucial to ensure you receive a usable part that won't cause the same problems you're trying to fix.
Inspection Checklist:
- Mounting Tabs: This is the most important inspection point. Turn the bezel over and check every single mounting tab. They should all be present, intact, and free of stress marks or cracks. Even one broken tab can lead to a poor fit and rattles.
- No Cracks or Filler: Inspect the entire part for cracks in the main body. Flex the part slightly to reveal any hidden damage or previous repairs with glue or filler.
- Surface Condition: Check the face of the bezel for deep scratches, gouges, or discoloration from harsh cleaning chemicals. Minor scuffs may be acceptable, but deep damage will be permanent.
- Grille Mesh Integrity: Ensure the perforated metal or plastic grille is not dented, torn, or separated from the bezel frame.
- Part Number Verification: Always match the OEM part number from the back of your old part to the used one you are purchasing. Confirmed part numbers include 14N0584CP (Left/Driver side) and 14N0314CP (Right/Passenger side) for the main speaker. Parts for the B&W system will have different numbers, like 14N1687CP for the tweeter grille.
Replacement Overview
Replacing the speaker bezel on a McLaren 720S is not a simple pop-off, pop-on job. It requires the removal of the entire interior door panel (also called a door card).
The process generally involves:
- Disconnecting the vehicle's battery to prevent electrical issues.
- Carefully prying off smaller trim pieces to access hidden screws.
- Removing several Torx and hex screws securing the door panel.
- Using a trim removal tool to release the clips holding the panel to the door frame.
- Disconnecting multiple electrical connectors for the window switch, door latch, and other electronics.
- Once the door panel is off, the speaker bezel can be unclipped from the back. A video of the procedure shows it requires a specific sliding motion to release the clips without breaking them.
Due to the complexity and the delicate, expensive nature of the components, this job is recommended for experienced DIY mechanics or professional technicians. A single broken clip on the main door panel could lead to more rattles.
Paint Code Note: The prompt for this article requested information on paint codes. The speaker bezel is an interior part and is not painted to match the vehicle's exterior color. Therefore, verifying a paint code is not relevant for this part. Instead, buyers must verify that the bezel's finish (e.g., black plastic, graphite, carbon fiber) matches their vehicle's interior trim package.
Cost Breakdown
The cost of McLaren parts and labor is significantly higher than for mass-market vehicles. Opting for a used OEM part can provide substantial savings.
| Part/Service | Estimated Cost | Notes |
|---|---|---|
| New OEM Speaker Bezel | $400 - $700+ | Price must be obtained from a McLaren dealership parts department. Not typically sold online. |
| Used OEM Speaker Bezel | $150 - $250 | Price based on listings for used parts in good condition. |
| New Aftermarket | Not Available | Direct-fit aftermarket replacements for the OEM bezel are not commonly available. Full carbon fiber door panels are an option, but cost thousands. |
| Shop Labor for Replacement | $300 - $600 | Estimated 1.5-2.5 hours of labor at an exotic car specialist rate ($200-$300/hr). Involves full door panel removal and reinstallation. |
Frequently Asked Questions (FAQ)
Can a broken speaker bezel cause actual speaker damage?
No, a cracked or rattling bezel will not harm the speaker's electronic function. Its purpose is primarily protective and cosmetic. However, the rattling can be very annoying and detract from the driving and audio experience.
Will the speaker bezel from a 720S Coupe fit on a 720S Spider?
Yes, evidence suggests the interior door panels and their components, including the speaker bezels, are interchangeable between the Coupe and Spider models of the same year range and trim level. However, always verify the part number before purchasing.
Can I fix a rattling speaker bezel without replacing it?
Sometimes. If the rattle is due to a loose fit rather than broken tabs, you might be able to apply felt tape or a small amount of silicone adhesive to the contact points on the back of the bezel to dampen the vibration. This requires removing the door panel to access the back of the part. If the mounting tabs are broken, replacement is the only reliable solution.
Why is buying a used OEM bezel better than aftermarket?
For a car like the 720S, OEM (Original Equipment Manufacturer) parts guarantee perfect fit, finish, and material quality that matches the rest of the high-end interior. Aftermarket options for this specific part are virtually non-existent. When they do exist for other trim parts, they often suffer from poor fitment, which can lead to the very rattles and gaps you're trying to eliminate.
Technical Specifications
OEM Part Numbers: 14N0584CP (Left Hand, Main Speaker) 14N0314CP (Right Hand, Main Speaker) 14N1228CP (Right Hand, Main Speaker - alternate) 14N1687CP (Left Hand, Bowers & Wilkins Tweeter)
Material: Automotive-grade plastic, may have metal mesh grille. Finish varies by trim (Standard, Luxury, Performance) and audio system option.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- McLaren 720S:
- 🛍️ Shop This Part
- Symptoms of a Failing Speaker Bezel
- Audible Rattling or Buzzing
- Visible Damage
- Known Issues, Recalls, and TSBs
- Variant Differences: Standard vs. Bowers & Wilkins Audio
- Buying a Used Speaker Bezel
- Inspection Checklist:
- Replacement Overview
- Cost Breakdown
- Frequently Asked Questions (FAQ)
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