MERCEDES A25778007009K30 Sun Roof Sunroof Frame Panel Glass Benz C257

( Manufacturer Part Number: A25778007009K30 ), ( Listed: Ua59 ), ( Color: Black ), ( Material: Glass, Steel ), ( Type: Sunroof ), ( Year: 2020 ), ( Oe/oem Part Number: A2577800600 / 2577800600 / 257 780 06 00, A2577800300 / 2577800300 / 257 780 03 00 ), ( Id: 23b17039-e6a7-4847-856c-9e931376bb6e ), ( Location: Zwad1a )

Review MERCEDES benz Sun Roof Sunroof Frame Panel Glass Oem fits CLS450 2019–2023

The **Mercedes-Benz A25778007009K30 (2019 2023) CLS 450 C257 Sunroof Frame Panel and Glass Assembly** is a precision-engineered component designed to deliver both luxury and functionality to the iconic CLS-Class sedan. This sunroof system is crafted with Mercedes-Benz s signature attention to detail, ensuring a seamless integration that enhances the vehicle s premium interior while providing an unobstructed view of the sky. The **sunroof frame panel** is constructed from high-grade, durable materials, including reinforced plastics and metal reinforcements, to maintain structural integrity while minimizing weight a critical consideration for both performance and fuel efficiency. The frame is meticulously designed to fit snugly within the CLS 450 s roof contour, ensuring a flush, aerodynamic finish that preserves the car s sleek silhouette.

The **sunroof glass** itself is engineered with advanced **tinted, sound-dampening properties**, offering a balance between natural light and noise reduction for a quieter cabin experience. This glass is treated with a special coating to prevent condensation, ensuring clarity and visibility even in varying weather conditions. The sunroof operates via an **electrically assisted mechanism**, controlled by a dedicated switch on the center console, allowing for smooth, silent opening and closing with just the press of a button. The system is equipped with **safety features**, including a **tilt-and-slide function** that lowers the glass slightly before fully opening to prevent obstructions, along with **rain sensors** that automatically close the roof if precipitation is detected.

For those seeking a more immersive driving experience, the sunroof can be fully retracted, creating an open-air sensation while still maintaining the vehicle s security and weatherproofing. The **C257 designation** indicates compatibility with the **2019 2023 model years** of the CLS 450, ensuring an exact fit for vehicles equipped with this specific trim level. Whether installed as part of a restoration, upgrade, or replacement, this sunroof assembly upholds Mercedes-Benz s reputation for **German engineering excellence**, blending cutting-edge technology with timeless craftsmanship. Ideal for enthusiasts who appreciate both performance and luxury, this component ensures that every drive in the CLS 450 remains as refined and enjoyable as the car itself.

### **Pros and Cons of Buying a Mercedes-Benz CLS 450 (C257) 2019-2023 with Sunroof (Frame Panel & Glass)**

#### **Pros**

1. **Premium Brand & Resale Value**

- Mercedes-Benz maintains strong resale value compared to many luxury competitors, making it a sound long-term investment.

- The CLS 450 is part of a well-regarded lineup, appealing to buyers who prioritize brand prestige.

2. **Strong Engine & Performance**

- The **3.0L V6 biturbo (M256) engine** produces **385 hp and 420 lb-ft of torque**, delivering smooth acceleration and a refined driving experience.

- The **9G-Tronic 9-speed automatic transmission** offers smooth shifts and efficient power delivery.

- Available **4MATIC all-wheel drive** enhances traction in adverse conditions.

3. **Luxury & Comfort**

- High-quality **leather upholstery, ambient lighting, and premium sound system** (optional Burmester or Bang & Olufsen).

- **Adaptive damping suspension** improves ride comfort on both highways and rough roads.

- **Heated/ventilated front seats** and **massage functions** (on higher trims) enhance passenger comfort.

4. **Safety Features**

- Standard **Mercedes Drive (ADAS)** includes **adaptive cruise control, lane-keeping assist, blind-spot monitoring, and automatic emergency braking**.

- **High-strength steel body structure** and **multiple airbag systems** provide strong crash protection.

5. **Sunroof Convenience**

- The **panoramic sunroof** (if included) improves ventilation and natural lighting, enhancing the cabin atmosphere.

- The **electric sunroof** (if available) is convenient for one-touch operation.

6. **Tech & Infotainment**

- **MBUX infotainment system** (on newer models) offers a **large touchscreen, voice control, and advanced connectivity**.

- **Apple CarPlay and Android Auto** integration for seamless smartphone integration.

- **Wireless charging pad** (on higher trims) adds modern convenience.

7. **Exclusive Styling & Practicality**

- The **CLS coupe-sedan design** offers a sporty yet elegant silhouette, appealing to those who prefer a more dynamic look than a traditional sedan.

- **Spacious rear seats** (though slightly narrower than a full sedan) with **rear climate control** and **USB ports**.

---

#### **Cons**

1. **High Maintenance & Repair Costs**

- Mercedes-Benz is known for **expensive servicing, parts, and labor costs**, which can add up over time.

- Some owners report **recurring issues with electrical components, infotainment glitches, and suspension wear**.

2. **Fuel Efficiency Concerns**

- The **V6 engine is thirsty**, averaging **16-18 MPG city / 24-26 MPG highway** (EPA estimates), which is worse than many competitors.

- Higher fuel costs can be a drawback for daily drivers.

3. **Sunroof Potential Issues**

- **Sunroof leaks** are a common complaint, especially if the **frame panel or glass is damaged or improperly sealed**.

- **Water intrusion** can lead to **mold, electrical shorts, or interior damage** if not addressed promptly.

- **Electric sunroof malfunctions** (e.g., slow operation, failure to close) may require costly repairs.

4. **Depreciation & Market Demand**

- While Mercedes retains value well, the **CLS 450 is not as in-demand as the C-Class or E-Class**, meaning resale depreciation may still occur.

- Some buyers prefer **more modern luxury sedans** (e.g., BMW 5 Series, Audi A6), which may affect long-term trade-in value.

5. **Comfort vs. Sportiness Trade-Off**

- The **CLS is not as sporty as a C-Class or AMG model** handling is **softer and more focused on luxury than performance**.

- **Rear seat legroom is limited** compared to full sedans, which may be uncomfortable for taller passengers.

6. **Electrical & Software Glitches**

- **MBUX system bugs** (e.g., freezing, slow response) are reported in some 2021-2023 models.

- **Infotainment lag, Bluetooth connectivity issues, and sensor malfunctions** can be frustrating.

7. **Higher Purchase & Insurance Costs**

- **Premium pricing** means a higher upfront cost compared to similar luxury alternatives.

- **Insurance premiums** tend to be **more expensive** due to the car s value and repair costs.

---

### **Conclusion**

The **Mercedes-Benz CLS 450 (2019-2023) with sunroof** is an **excellent choice for buyers who prioritize luxury, comfort, and brand prestige** while accepting higher ownership costs. Its **strong engine, refined ride, and advanced safety features** make it a compelling option for those who want a **sophisticated yet practical** luxury sedan.

- **Higher maintenance and repair expenses** (especially if the sunroof has leaks or electrical issues).

- **Lower fuel efficiency** compared to turbocharged 4-cylinder alternatives.

- **Depreciation and resale value considerations** if not maintained exceptionally well.

If the **sunroof is in good condition** (no leaks, proper sealing), this car remains a **solid luxury choice**. However, those on a tighter budget or seeking **better fuel economy** may find **alternatives like the BMW 530i, Audi A6, or Lexus GS** more appealing.

### **Recommendation**

- You value **Mercedes-Benz luxury, reliability, and resale value** above all else.

- You **drive moderately** and can afford **higher maintenance costs**.

- The **sunroof is in excellent condition** (no leaks, properly serviced).

- You prefer a **coupe-sedan hybrid** over a traditional sedan or SUV.

- You want **better fuel efficiency** (e.g., BMW 530i, Audi A6 TFSI).

- You prioritize **lower ownership costs** (e.g., Lexus GS, Genesis G70).

- You **hate electrical issues** and prefer more reliable luxury brands (e.g., Lexus, Genesis).

**Final Verdict:** The **CLS 450 is a fantastic luxury car**, but it s **not the most practical or cost-effective** for everyone. **Get a thorough pre-purchase inspection**, especially focusing on the **sunroof, electrical systems, and suspension**, before making a decision.

Details:

Are final sale. 60-day return period begins on the day part is delivered. 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.

Locations without a dock or forklift will incur lift gate fee. 2019 - 2023 MERCEDES CLS450 C257 SUN ROOF SUNROOF FRAME PANEL W/ GLASS OEM Menu. Items are sold in good, working condition and have been inspected prior to listing. This MUST be specified AT TIME OF PURCHASE.

High quality pictures are provided for each item so you can see its exact condition. Orders are shipped via USPS, UPS, or FedEx.

part #: a25778007009k30 prices

• $140.00-$300.00

specifications sunroofconverti:

• for models: Cls450
• for makes: Mercedes
• for years: 2019-2023
• mpn: A25778007009k30
• listed: Ua59
• color: Black
• material: Glass, Steel
• type: Sunroof
• year: 2020
• oe/oem part number: A2577800600 / 2577800600 / 257 780 06 00, A2577800300 / 2577800300 / 257 780 03 00
• id: 23b17039-e6a7-4847-856c-9e931376bb6e
• location: Zwad1a

returns sunroofconverti:

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

general sunroofconverti:

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

payments sunroofconverti:

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

offer sunroofconverti:

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

seller sunroofconverti:

• rating: 100.0%
• city: Nicholasville, Kentucky
• # reviews: 74137

shipping sunroofconverti:

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

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