MERCEDES A2539064900 High Mount Brake Light Lamp Cover Benz GLC63 C253 3RD

( Manufacturer Part Number: A2539064900 ), ( Number Of Bulbs: Undefined ), ( Vintage Part: No ), ( Placement On Vehicle: Center, Rear ), ( Type: Third Brake Light Assembly ), ( Oe/oem Part Number: A2539062103 / 2539062103 / 253-906-21-03 ), ( Housing Color: Black ), ( Universal Fitment: Yes ), ( Finish: Matte ), ( Country Of Origin: Germany )

Review MERCEDES benz High Mount 3rd Stop Brake Light Lamp Cover Oem fits AMG 2018–2021

The **Mercedes-Benz A2539064900 18-21 GL-C63 AMG C253 High Mount Third Brake Light Lamp Cover** is a precision-engineered component designed exclusively for the iconic **Mercedes-Benz C-Class (W205) AMG models**, specifically the **C63 S, C63 AMG, and C63 S AMG** variants produced between the **2018 and 2021 model years**. This high-mount third brake light (HMTL) lamp cover is crafted to meet the rigorous standards of Mercedes-Benz engineering, ensuring seamless integration with the vehicle s sleek, aerodynamic design while maintaining optimal functionality. Constructed from high-quality, durable materials, the lamp cover is engineered to withstand environmental stressors, including exposure to UV radiation, moisture, and temperature fluctuations, which could otherwise compromise its structural integrity or aesthetic appeal over time. Its precise fitment ensures that the brake light assembly operates with maximum efficiency, providing clear visibility to following drivers while adhering to regulatory lighting standards. The design of this component is both functional and stylish, featuring a clean, contoured shape that complements the aggressive yet refined lines of the AMG s rear fascia. Whether installed as part of a routine maintenance procedure or a customization upgrade, this lamp cover guarantees a professional finish, enhancing both the performance and the visual impact of the vehicle. For enthusiasts and owners seeking to maintain or elevate the performance and appearance of their **C253 C63 AMG**, this aftermarket or replacement part is an essential addition to ensure reliability and curb appeal.

### **Pros and Cons of Buying a Mercedes-Benz A2539064900 (18-21 GL-C63 AMG) High Mount 3rd Brake Light Lamp Cover**

1. **Enhanced Visibility and Safety** A high-mount brake light (HMBL) improves rear visibility for following drivers, especially in stop-and-go traffic or when braking suddenly. This can reduce the risk of rear-end collisions, which is particularly important for high-performance vehicles like the GL-C63 AMG.

2. **Compliance with Regulations** Many regions (including the U.S. and parts of Europe) require or recommend a high-mount brake light for certain vehicle types, particularly larger or performance-oriented models. Installing this part ensures compliance with local laws, avoiding potential fines or registration issues.

3. **Aesthetic Consistency** The GL-C63 AMG has a distinctive, aggressive design. A factory-style or high-quality aftermarket HMBL cover maintains the vehicle s sleek appearance while ensuring functionality. Some aftermarket options are designed to blend seamlessly with the bodywork.

4. **Durability and Weather Resistance** A well-made HMBL cover is typically constructed from durable materials (e.g., polycarbonate or reinforced plastic) that resist cracking, fogging, or water damage. This ensures long-term reliability, especially in harsh weather conditions.

5. **Easy Installation** Many high-mount brake light covers are designed for straightforward installation, often requiring only basic tools. Some models come with adhesive mounts or pre-drilled holes for quick fitment, reducing labor costs.

6. **Compatibility with Aftermarket Lights** If you ve upgraded your brake lights to aftermarket LEDs or high-performance units, a proper HMBL cover ensures they are securely housed and protected while maintaining proper alignment.

7. **Resale Value Protection** A complete and functional high-mount brake light system can positively influence a vehicle s resale value, as buyers often prioritize safety and compliance features.

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1. **Cost** While the price of the specific part (A2539064900) is reasonable, installation by a professional (if not DIY) may add to the expense. Additionally, if you opt for a premium aftermarket alternative, costs could increase.

2. **Potential Fitment Issues** Some aftermarket HMBL covers may not align perfectly with the GL-C63 AMG s bodywork, leading to gaps, misalignment, or a bulky appearance. Ensuring the correct model (e.g., one designed for Mercedes GL-Class models) is crucial.

3. **Visibility Obstruction** If the cover is poorly designed or installed, it might obstruct the view of the brake light itself, reducing effectiveness. This is rare with quality parts but worth checking during installation.

4. **Weight Addition** While minimal, adding a HMBL cover contributes slightly to the vehicle s weight, which may have a negligible impact on performance but is worth noting for enthusiasts who prioritize every gram.

5. **Potential for Counterfeit Parts** Purchasing from untrusted sellers (e.g., non-Mercedes-approved vendors) risks receiving a low-quality or incompatible part. Always buy from reputable sources like official dealers, authorized Mercedes-Benz parts suppliers, or well-reviewed aftermarket brands.

6. **DIY Installation Challenges** While many covers are easy to install, the GL-C63 AMG s bodywork may require careful handling to avoid paint damage or misalignment. Those unfamiliar with vehicle modifications may struggle with precise placement.

7. **Limited Customization** Unlike some aftermarket brake light kits, the A2539064900 is a stock or direct replacement part. Customization options (e.g., color, shape) are limited compared to standalone brake light assemblies.

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The **Mercedes-Benz A2539064906 (18-21 GL-C63 AMG High Mount 3rd Brake Light Lamp Cover)** is a practical and necessary upgrade for safety and compliance. Its primary benefits improved visibility, regulatory adherence, and aesthetic consistency outweigh the minor drawbacks, particularly for owners who prioritize functionality and long-term reliability. The part is well-suited for both stock and aftermarket brake light setups, making it a versatile choice.

For those considering aftermarket alternatives, ensure the cover is **OEM-compatible, weather-sealed, and properly aligned** to avoid compromising performance or appearance. If in doubt, consult a Mercedes-Benz specialist for installation to guarantee a flawless fit.

- **Buy the A2539064900 part** if you need an **authentic, direct replacement** that matches the GL-C63 AMG s factory design. This is ideal for owners who want to avoid fitment issues and maintain the vehicle s original aesthetic.

- **Verify compatibility** with your specific brake light setup (e.g., LED vs. halogen) to ensure proper function.

- **Install professionally** if unsure about DIY fitment, especially for models with complex bodywork.

- **Avoid counterfeit parts** by purchasing from **Mercedes-Benz authorized dealers, reputable online retailers (e.g., Amazon, RockAuto), or trusted aftermarket brands** (e.g., Hella, Bosch, or specialized automotive suppliers).

**Final Verdict:** This is a **highly recommended purchase** for safety and compliance, with minimal downsides if sourced and installed correctly. The GL-C63 AMG s performance and luxury status justify investing in quality aftermarket or OEM parts for complete functionality.

Details:

Color: GRAY 992-SELENITE GREY METALLIC EXTERIOR / BLACK 611 INTERIOR. This item has been previously used. Donor vehicle: 2019 MERCEDES-BENZ GLC63 AMG C253 4.0L 4MATIC V8 AUTOMATIC TRANSMISSION. Shipping FREE SHIPPING available for most items within lower 48 states.

Please verify it fits and is compatible with your specific model before purchasing. Mileage: 35K MILES.

part #: a2539064900 prices

• $100.00-$200.00

specifications lightinglam:

• for models: Amg
• for makes: Mercedes
• for years: 2018-2021
• mpn: A2539064900
• number of bulbs: Undefined
• vintage part: No
• placement on vehicle: Center, Rear
• type: Third Brake Light Assembly
• oe/oem part number: A2539062103 / 2539062103 / 253-906-21-03
• housing color: Black
• universal fitment: Yes
• finish: Matte
• country of origin: Germany

offer lightinglam:

• sold: 0
• availability: In Stock
• quantity: 1
• started: March 16, 2026
• options: Ship-to-home
• best offers: True

seller lightinglam:

• city: Traverse City, Michigan
• # reviews: 80422
• rating: 99.9%

payments lightinglam:

• other
• credit card: Discover
• wallet: Paypal

general lightinglam:

• condition: Used
• Car Truck Parts Accessories > Lighting Lamps > Third Brake Light Assemblies

shipping lightinglam:

• cost: $0.00
• service: Standard
• transit: 3-6 Days
• class: Standard
• type: Fixed

returns lightinglam:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

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