MERCEDES A1178859100 Left Front Bumper Lower Grille Air Duct Benz

( Manufacturer Part Number: A1178859100 ), ( Type: Grille ), ( Oe/oem Part Number: Oem Original Factory Genuine Stock, Left Driver Side ), ( Placement On Vehicle: Front, Left, Lower ), ( Country Of Origin: Germany )

Review MERCEDES benz Left Front Bumper Lower Grille Air Duct fits W117 CLA45 AMG 2018

The **Mercedes-Benz A1178859100 (2018 W117 CLA-Class AMG 45) Left Front Bumper Lower Grille Air Duct** is a precision-engineered component designed exclusively for the high-performance CLA45 AMG, embodying the blend of cutting-edge aerodynamics and aggressive styling that defines Mercedes-Benz s sporty sedan. Crafted from high-grade, impact-resistant polycarbonate reinforced with fiberglass, this bumper assembly is engineered to withstand the demands of both urban driving and spirited highway performance while maintaining the vehicle s signature aerodynamic efficiency. The lower grille air duct, a defining feature of the AMG 45 s front fascia, is meticulously contoured to optimize airflow, reducing drag and enhancing cooling for the engine bay and brake systems critical for the 45 s 4.0-liter twin-turbocharged V8, which produces a commanding 479 horsepower. The duct s sleek, angular design not only improves performance but also reinforces the vehicle s aggressive, track-inspired aesthetic, with sharp lines and precise paneling that align seamlessly with the CLA45 AMG s iconic front end. This part is a direct OEM replacement, ensuring an exact fit with the original equipment manufacturer s tolerances, including the integrated LED turn signal housing and the reinforced mounting brackets that secure it to the chassis. Built to Mercedes-Benz s rigorous quality standards, it is compatible with the 2018 model year CLA45 AMG (W117) and is available in the factory-painted color to match the vehicle s exterior, typically in the bold, matte black or high-gloss silver finishes common to the AMG lineup. Whether replacing a damaged section after a minor collision or upgrading for a custom build, this bumper assembly delivers both functional reliability and the unmistakable presence of an AMG-powered Mercedes-Benz.

### **Pros and Cons of Buying a Used Mercedes-Benz A1178859100 (2018 W117 CLA45 AMG) Left Front Bumper, Lower Grille, and Air Duct**

1. **Authentic Fit and Finish** As an original Mercedes-Benz part, it ensures a perfect fit with no gaps or misalignment, maintaining the vehicle s premium appearance.

2. **High-Quality Materials** Manufactured by Mercedes-Benz, the bumper, grille, and air duct are made from durable materials designed to withstand daily wear and environmental exposure.

3. **Enhanced Aesthetics** The AMG badging and aggressive styling of the CLA45 AMG contribute to a sportier, more distinctive look, which can increase perceived value.

4. **Potential for Customization** If you re modifying your car, this part allows for a factory-style upgrade rather than aftermarket alternatives that may look less authentic.

5. **Warranty Coverage (If Purchased from Authorized Dealer)** Some sellers offer limited warranties, providing peace of mind against manufacturing defects.

6. **Compatibility with AMG Performance** The part is designed to work seamlessly with the CLA45 AMG s aerodynamic and cooling requirements, ensuring proper airflow and structural integrity.

7. **Resale Value Preservation** Keeping the car with OEM parts can help maintain its resale value, especially if you plan to sell it in the future.

1. **High Cost** As an original Mercedes-Benz part, it will be significantly more expensive than aftermarket alternatives, which may offer similar functionality at a fraction of the price.

2. **Potential for Counterfeit Parts** If purchasing from an unverified seller, there is a risk of receiving a fake or low-quality replica, which could lead to poor fitment or premature failure.

3. **Limited Availability** Original parts may be harder to source than aftermarket options, especially if the model is no longer in production or if the part is discontinued.

4. **Installation Complexity** Replacing these components may require professional installation due to the complexity of Mercedes-Benz s design, adding labor costs.

5. **Weight Consideration** The bumper and grille are heavy, which could slightly affect handling, though the impact is minimal in most cases.

6. **Potential for Damage During Shipping** If ordering online, there is a risk of the part arriving damaged, especially if not properly packaged.

7. **Maintenance Overhead** Unlike aftermarket parts, OEM components may not come with additional features (e.g., reinforced materials, extra rust protection) that some aftermarket brands offer.

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### **Conclusion**

Buying an original **Mercedes-Benz A1178859100 (2018 CLA45 AMG) left front bumper, lower grille, and air duct** is ideal if you prioritize **authenticity, long-term durability, and maintaining the vehicle s factory appearance**. The part is well-crafted, enhances the car s sporty aesthetic, and aligns with AMG performance standards. However, the **high cost, potential for counterfeit issues, and limited availability** make it a less practical choice for budget-conscious buyers or those seeking quick replacements.

If you are **restoring a classic or maintaining a show car**, this is the best option. For **daily drivers or those on a budget**, aftermarket alternatives (from reputable brands like **ABS, BBS, or OEM-compatible suppliers**) may offer a more cost-effective solution without sacrificing too much quality.

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### **Recommendation**

- You are restoring or preserving a high-end Mercedes-Benz.

- You have verified the seller (preferably an authorized Mercedes-Benz parts dealer or a trusted online retailer like **Mercedes-Benz Parts Store, eBay (with seller verification), or RockAuto**).

- You are willing to pay a premium for genuine quality and fitment.

- You need a cost-effective solution without compromising too much on quality.

- You are comfortable with installation and willing to research reputable brands (e.g., **ABS, BBS, or OEM-compatible parts from RockAuto**).

- You prioritize weight savings or additional features (e.g., reinforced bumpers, rust-proofing) that some aftermarket options provide.

**Final Tip:** Always inspect the part upon receipt (if ordering online) and ensure proper installation to avoid voiding any warranties. If unsure, consult a Mercedes-Benz specialist for guidance.

Details:

Warranty: All parts come with a 30-day warranty. Item: 2018 MERCEDES-BENZ W117 CLA45 AMG LEFT FRONT BUMPER LOWER GRILLE AIR DUCT. Model: 2018 MERCEDES-BENZ CLA 45 AMG, 124K MILES, WDDSJ5CB0JN544041: condition: USED.

part #: a1178859100 prices

• $29.80-$150.00

specifications grilexte:

• for models: W117, Cla45, Amg
• for makes: Mercedes
• for years: 2018
• mpn: A1178859100
• type: Grille
• oe/oem part number: Oem Original Factory Genuine Stock, Left Driver Side
• placement on vehicle: Front, Left, Lower
• country of origin: Germany

offer grilexte:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: April 18, 2026
• sold: 0

general grilexte:

• Car Truck Parts Accessories > Exterior Parts Accessories > Grilles
• condition: Used

shipping grilexte:

• transit: 4-7 Days
• cost: $0.00
• class: Standard
• type: Fixed
• service: Standard

seller grilexte:

• rating: 99.9%
• # reviews: 10401
• city: Henderson, Colorado

payments grilexte:

• credit card: Mastercard
• wallet: Google-pay
• other

returns grilexte:

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

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