MERCEDES A25778000009K30 Sunroof Moonroof Glass Panel Benz C257

( Manufacturer Part Number: A25778000009K30 ), ( Listed: M53 ), ( Type: Sunroof ), ( Oe/oem Part Number: A2577800600 / 2577800600 / 257 780 06 00, A2577800300 / 2577800300 / 257 780 03 00 ), ( Color: Black ), ( Material: Glass, Plastic, Steel ), ( Placement On Vehicle: Front ), ( Location: Zwad1a )

Review MERCEDES benz Sunroof Moonroof Glass Panel Oem A2577800000 fits CLS450 2019–2023

The **Mercedes-Benz A25778000009K30 (2019 2023) CLS 450 C257 Sunroof Moonroof Glass Panel** is a meticulously engineered, high-performance replacement part designed to restore the sleek, premium functionality of the iconic Mercedes-Benz CLS-Class luxury sedan. This sunroof moonroof glass panel is a critical component of the vehicle s sophisticated roof system, crafted to deliver seamless operation, superior weather sealing, and an unobstructed panoramic view of the sky. Engineered with Mercedes-Benz s signature precision, the panel is constructed from high-quality, tempered glass that meets stringent automotive safety standards, ensuring durability and resistance to thermal stress, UV degradation, and impact. The design incorporates advanced weatherstripping and a robust hydraulic or electric actuation mechanism (depending on the model variant), allowing for smooth, silent opening and closing with minimal effort. Whether used in the **CLS 450 (C257) with its powerful 3.0-liter V6 biturbo engine** or any other iteration within the 2019 2023 model range, this panel maintains the vehicle s signature blend of opulence and engineering excellence. Its precise fitment ensures compatibility with the original roof frame, preserving the CLS s aerodynamic silhouette while enhancing its interior ambiance with natural light and ventilation. For enthusiasts and professionals alike, this replacement part is an essential upgrade or restoration solution, guaranteeing that the CLS s signature moonroof experience remains as refined and luxurious as the car itself.

### **Pros and Cons of Buying a 2019-2023 Mercedes-Benz CLS 450 C257 (A25778000009K30) with Sunroof/Moonroof Glass Panel (A2577800000)**

1. **Premium Brand and Reputation** Mercedes-Benz is synonymous with luxury, craftsmanship, and performance. The CLS 450 is a well-regarded executive sedan with a sporty coupe-like design, offering a refined driving experience.

2. **Strong Engine and Performance** The C257 model is powered by a **3.0L V6 biturbo engine (M257) producing 385-415 hp**, paired with an **8-speed automatic transmission (AMG SPEEDSHIFT MCT)**. This provides a balance of power, responsiveness, and efficiency, making it suitable for both city and highway driving.

3. **Luxury Interior** The CLS 450 features high-quality materials, ergonomic seating, advanced infotainment (MBUX system in later models), and premium sound systems. The **sunroof/moonroof (A2577800000) adds to the cabin s ambiance**, enhancing comfort and openness.

4. **Safety and Technology** Equipped with **standard safety features** (adaptive cruise control, lane-keeping assist, blind-spot monitoring, and Mercedes advanced driver-assistance systems). Later models (2021 ) include **MBUX infotainment**, which offers a futuristic, AI-driven interface.

5. **Comfort and Ride Quality** The CLS is known for its **smooth suspension tuning**, making it comfortable for long drives while still maintaining sporty handling. The **quiet cabin** is a hallmark of Mercedes luxury sedans.

6. **Resale Value** Mercedes-Benz models, especially well-maintained ones, hold their value relatively well compared to some competitors.

7. **Exclusivity and Status** Owning a CLS 450 carries prestige, appealing to those who value brand recognition and a commanding presence on the road.

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1. **High Cost of Ownership** Mercedes vehicles, particularly luxury models, come with **expensive maintenance, repairs, and parts**. Dealership labor rates are often higher than independent shops, and some repairs (e.g., turbocharger, suspension, or electrical issues) can be costly.

2. **Complexity and Reliability Concerns** The **M257 V6 engine** has had some reported issues, including **turbocharger failures, oil consumption, and carbon buildup** in later models. While not widespread, these problems can lead to unexpected repair bills if not properly maintained.

3. **Fuel Efficiency is Average** The C257 V6 is not the most fuel-efficient option in its class, typically averaging **18-22 MPG combined** (city/highway). This can add up over time, especially for long commuters.

4. **Maintenance Requirements** Mercedes recommends **strict maintenance schedules**, including **oil changes every 10,000 miles** (or annually) and **expensive fluid flushes** (e.g., coolant, transmission fluid). Neglecting these can lead to engine or transmission damage.

5. **Depreciation** While Mercedes retains value better than some brands, luxury cars still depreciate significantly. A 2019-2023 CLS 450 may lose **40-50% of its value in 5-7 years**, depending on mileage and condition.

6. **Potential for Electrical Gremlins** Like many modern Mercedes, the CLS 450 has **complex electrical systems** (infotainment, sensors, etc.). Software glitches or sensor failures can be frustrating and sometimes require dealer visits.

7. **Size and Practicality** The CLS is a **longer, heavier vehicle** compared to compact sedans, which can make parking and maneuvering in tight spaces more difficult. The rear seats are **comfortable but not spacious** for tall passengers or large cargo.

8. **Resale Market Competition** There is a **large used luxury market**, meaning you may face competition when selling, and buyers may negotiate hard for a well-maintained CLS 450.

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### **Conclusion and Recommendation**

The **2019-2023 Mercedes-Benz CLS 450 C257 with sunroof/moonroof** is an excellent choice if you prioritize **luxury, performance, and driving enjoyment** while being willing to accept the **higher costs associated with ownership**. It is a **capable, comfortable, and stylish** vehicle that delivers a premium experience, especially for those who appreciate Mercedes blend of sophistication and sportiness.

- **Budget for maintenance** Ensure you can afford regular servicing and potential repairs.

- **Engine reliability** Research the **M257 V6 s history** and consider getting a **pre-purchase inspection** (PPI) if buying used.

- **Alternative options** If fuel efficiency is a concern, models like the **BMW 530i or Audi A6 3.0T** offer similar luxury with slightly better MPG.

- **Long-term ownership** If you plan to keep the car for **10 years**, factor in **depreciation and potential major repairs**.

- **Buy if:** You have a **strong budget for maintenance**, value **luxury and performance**, and are okay with **higher ownership costs**. The CLS 450 is a **great daily driver** for those who want a refined, engaging, and stylish sedan.

- **Avoid if:** You are **cost-conscious**, prioritize **fuel efficiency**, or prefer **lower-maintenance alternatives**. In that case, consider **Audi, BMW, or Lexus** as viable alternatives with slightly better long-term value.

**Best for:** Affluent buyers who want a **luxury executive sedan** with **sporty handling, premium comfort, and Mercedes signature prestige**. Ensure you **get a thorough inspection** and **budget for maintenance** to avoid surprises.

Details:

Are final sale. Orders are shipped via USPS, UPS, or FedEx. High quality pictures are provided for each item so you can see its exact condition. 2019 2023 MERCEDES CLS450 C257 SUNROOF MOONROOF GLASS PANEL OEM A Menu.

This MUST be specified AT TIME OF PURCHASE. All listed parts have already been removed from donor vehicles and are on the shelf ready to be shipped. Shipping charges are based on delivery zip code and apply to the lower 48 states. Items are sold in good, working condition and have been inspected prior to listing.

60-day return period begins on the day part is delivered. Locations without a dock or forklift will incur lift gate fee.

part #: a25778000009k30 prices

• $140.00-$300.00

specifications sunroofconverti:

• for models: Cls450
• for makes: Mercedes
• for years: 2019-2023
• mpn: A25778000009k30
• listed: M53
• type: Sunroof
• oe/oem part number: A2577800600 / 2577800600 / 257 780 06 00, A2577800300 / 2577800300 / 257 780 03 00
• color: Black
• material: Glass, Plastic, Steel
• placement on vehicle: Front
• location: Zwad1a

offer sunroofconverti:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: March 18, 2026
• best offers: True

seller sunroofconverti:

• city: Nicholasville, Kentucky
• # reviews: 74465
• rating: 100.0%

returns sunroofconverti:

• time: 60 Days
• paid by: Buyer
• policy: Returns Accepted

general sunroofconverti:

• Exterior Parts Accessories > Roofs, Tops Sunroofs > Sunroofs Parts
• condition: Used

shipping sunroofconverti:

• cost: $255.00
• class: Freight
• type: Fixed
• service: Flat Rate Freight

payments sunroofconverti:

• wallet: Paypal
• credit card: Diners-club
• other

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