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  3. MERCEDES 2043509519

MERCEDES 2043509519 Rear Engine Crossmember Frame Benz

fits model: W204, C250, C350, C63. make: Mercedes. year: 2008–2014.

2043509519 Mercedes-benz 08-14 W204 C250 C350 C63 Rear Subframe Engine Crossmember Sub Frame Oem

( Manufacturer Part Number: 2043509519 ), ( Color: Black ), ( Fitment Type: Direct Replacement ), ( Genuine Oem: Yes ), ( Vintage Part: No ), ( Placement On Vehicle: Rear ), ( Type: Subframe ), ( Manufacturer Warranty: 1 Month ), ( Country Of Origin: Germany )

Review MERCEDES benz Rear Subframe Engine Crossmember Sub Frame Oem fits W204 C250 C350 C63 2008–2014

The **Mercedes-Benz 2043509519 (08-14 W204) Rear Engine Crossmember Frame** is a precision-engineered structural component designed exclusively for the iconic C-Class (C250 and C350) and the high-performance C63 models produced between the model years 2008 and 2014. This frame serves as a critical load-bearing element within the rear suspension system, ensuring optimal alignment, rigidity, and durability under the demanding forces of daily driving, aggressive cornering, and high-performance applications. Crafted from high-strength steel, this crossmember is engineered to withstand the torque and stress generated by the powerful inline-six engines (M256 for the C250/C350 and M276 for the C63), while maintaining precise spacing for the rear subframe, driveshaft, and exhaust system attachments. The design incorporates strategically placed mounting points to accommodate the rear suspension linkages, differential housing, and other critical components, all while minimizing flex and vibration transfer to the cabin. This part is a direct replacement for the original equipment manufacturer (OEM) component, ensuring an exact fit with no modifications required, making it an ideal choice for restoration projects, performance upgrades, or routine maintenance. Its robust construction and compatibility with aftermarket suspension kits further enhance its appeal to enthusiasts seeking to preserve or enhance the handling dynamics of their W204 vehicles. Whether restoring a classic C-Class to factory specifications or upgrading a high-performance C63 for track use, this crossmember frame provides the structural integrity and reliability expected from Mercedes-Benz engineering.

### **Pros and Cons of Buying a Mercedes-Benz W204 (C250/C350/C63) Rear Engine Crossmember Frame (2008-2014, VIN: 204350951908)**

#### **Pros**

1. **Reliable Engine and Performance**

- The **C250 (M272 V6)** and **C350 (M276 V6)** are well-built, naturally aspirated engines known for longevity if maintained properly. The **C63 (M177 V8)** is a high-performance engine with strong power delivery, though it requires more attention to oil changes and cooling.

- The **rear-engine layout** (on the C63 AMG) provides excellent weight distribution, improving handling and traction compared to front-engine models.

2. **Strong Resale Value**

- Mercedes-Benz retains good resale value, especially for well-maintained W204 models. The **C63 AMG** holds value better than many competitors due to its performance reputation.

3. **Comfort and Luxury Features**

- The W204 offers a **spacious, high-quality interior** with premium materials, excellent sound insulation, and a smooth ride (especially the C250/C350).

- **Comfortable seating** and **adjustable driving positions** make long drives pleasant.

- **Advanced infotainment (COMAND system)** is user-friendly, though it can be outdated compared to modern systems.

4. **AMG Performance (C63 Model)**

- The **C63 AMG** delivers **385-425 hp** (depending on year) and **0-60 mph in 4.5 seconds**, making it a fun, track-capable grand tourer.

- **Rear-wheel-drive (RWD) or optional 4MATIC (AWD)** provides strong acceleration and engaging driving dynamics.

- **Lightweight construction** (aluminum hood, carbon fiber elements) improves performance.

5. **Durability of Key Components**

- The **transmission (7G-Tronic automatic)** is robust if serviced regularly.

- **Suspension (adaptive dampers on higher trims)** provides a good balance of comfort and sportiness.

- **Braking system (Brembo calipers on AMG models)** is strong and reliable.

6. **Modification Potential**

- The **C63 AMG** is a popular choice for **tuning**, with aftermarket support for exhaust, suspension, and performance upgrades.

- **Rear-engine layout** allows for unique modifications (e.g., rear spoilers, exhaust tuning).

7. **Classic Mercedes-Benz Build Quality**

- The **W204 chassis** is well-engineered, with a **strong frame and body structure**, making it less prone to rust (unlike some older Mercedes models).

- **Interior durability** (if not abused) means it can last for decades with proper care.

---

#### **Cons**

1. **High Maintenance Costs**

- Mercedes-Benz parts and labor are **expensive**, especially for specialized components like **turbochargers (if upgraded), suspension bushings, and electrical systems**.

- **Oil changes must be done frequently** (every 5,000-7,500 miles for the V8) to prevent sludge buildup.

- **Electrical gremlins** (common in older Mercedes) can lead to unexpected repair bills.

2. **Common Issues to Watch For**

- **Oil consumption (especially in the C63 V8)** Some models burn oil excessively, requiring frequent top-ups.

- **Transmission wear** The **7G-Tronic** can develop **slippage or rough shifting** if not serviced properly.

- **Water pump failures** The **timing belt system** (if applicable) should be checked; a failed water pump can cause engine damage.

- **Suspension wear** **Shock absorbers and bushings** degrade over time, affecting ride quality.

- **Electrical faults** **COMAND system glitches, sensor failures, and wiring issues** are frequent complaints.

- **Rust (especially in snow/rain regions)** While the W204 is generally rust-resistant, **wheel arches and undercarriage** should be inspected.

3. **Fuel Economy is Moderate**

- The **C250 (V6) gets 20-22 MPG highway**, while the **C350 (V6) gets 18-20 MPG**, and the **C63 (V8) gets 15-17 MPG**.

- **Diesel models (if available) would be more efficient**, but this VIN appears to be a gasoline engine.

4. **Depreciation Over Time**

- While the W204 holds value better than many Mercedes, it **does depreciate significantly** after 10-15 years.

- **AMG models depreciate slower** than standard C-class sedans but still lose value over time.

5. **Parts Availability and Scarcity**

- **Original parts are expensive**, and some **aftermarket alternatives may not fit perfectly**.

- **Rare components (e.g., specific sensors, wiring harnesses)** can be difficult to source.

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

- The **C250/C350 are very comfortable** but feel **less engaging** to drive than the C63.

- The **C63 is more fun but less refined** noise, wind noise, and road harshness are more noticeable.

7. **Recall and Safety Concerns**

- Some **W204 models had recalls for airbag issues, fuel pump failures, and electrical faults**.

- **Modern safety tech (like advanced driver-assistance systems) is absent**, making it less safe than newer models.

---

### **Conclusion**

Buying a **Mercedes-Benz W204 (C250/C350/C63, 2008-2014)** with the specified **rear-engine crossmember frame** can be a **great choice** if you prioritize **luxury, performance (especially the C63), and long-term reliability** **as long as you are prepared for maintenance costs and potential issues**.

- **Best for:** Enthusiasts who want a **fun-to-drive AMG sedan**, luxury seekers who prefer a **comfortable, high-end interior**, or those who appreciate **classic Mercedes engineering**.

- **Not ideal for:** Budget-conscious buyers, those who dislike **high maintenance costs**, or people who prefer **modern tech and safety features**.

### **Recommendation**

1. **If Buying the C63 AMG:**

- **Get a full pre-purchase inspection (PPI)** from a **Mercedes specialist** to check for **oil leaks, transmission health, and electrical issues**.

- **Verify maintenance records** especially **oil changes, timing belt/water pump service, and suspension work**.

- **Consider a used AMG service manual** to understand common issues.

- **Budget for future repairs** expect **$5,000-$10,000 in maintenance over 5 years** depending on usage.

2. **If Buying the C250/C350:**

- These are **more reliable but less exciting** ideal if you want **luxury without AMG performance**.

- **Still get a PPI** to check for **transmission wear, suspension issues, and electrical faults**.

- **Avoid high-mileage examples** (over 100,000 miles) unless well-documented.

3. **Best Way to Purchase:**

- **Private sale with a PPI** (often cheaper than dealerships).

- **Certified Pre-Owned (CPO) from Mercedes** (if available) for added warranty coverage.

- **Avoid salvage-title or flood-damaged examples** these can hide costly structural issues.

4. **Final Verdict:**

- **Worth it if:** You **love Mercedes luxury**, want a **fun AMG sedan**, and can **afford maintenance**.

- **Not worth it if:** You **can t budget for repairs**, prefer **modern tech**, or want **better fuel economy**.

**Alternative Consideration:**

If the **C63 s maintenance concerns** are a dealbreaker, look into a **BMW M3 (E90/E92) or Audi S4 (B8)** both offer **similar performance with slightly better reliability** in some cases. However, the **W204 C63 remains one of the best-loved Mercedes sedans** for its **balance of luxury and driving excitement**.

Details:

Most questions are answered within a couple of hours. This is quality used A/C Receiver Drier Container for 01-04 Mercedes R170 SLK320 and SLK230 model's. These items can only be shipped to a COMMERCIAL address with an available dock or forklift for unloading. The part has been tested and is in good working condition, showing normal wear tear.

part #: 2043509519 prices

  • $225.00-$497.00

specifications mocycfra:

  • for models: W204, C250, C350, C63
  • for makes: Mercedes
  • for years: 2008-2014
  • mpn: 2043509519
  • color: Black
  • fitment type: Direct Replacement
  • genuine oem: Yes
  • vintage part: No
  • placement on vehicle: Rear
  • type: Subframe
  • manufacturer warranty: 1 Month
  • country of origin: Germany

returns mocycfra:

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

general mocycfra:

  • Motorcycle Scooter Parts Accessories > Body Frame > Frames Parts
  • condition: Used

seller mocycfra:

  • city: Yuba City, California
  • rating: 99.7%
  • # reviews: 6582

payments mocycfra:

  • other
  • wallet: Paypal
  • credit card: Discover

offer mocycfra:

  • quantity: 1
  • sold: 0
  • availability: In Stock
  • started: February 3, 2026
  • best offers: True
  • options: Ship-to-home

shipping mocycfra:

  • type: Fixed
  • class: Freight
  • cost: $150.00
  • service: Flat Rate Freight
for models: w204, c250, c350, c63, for makes: mercedes, for years: 2008-2014, fitment type: direct replacement, genuine oem: yes, vintage part: no, placement on vehicle: rear, type: subframe, manufacturer warranty: 1 month, country of origin: germany,
category: motorcycle parts > motorcycle scooter parts accessories > body frame > frames parts, color: black, sku: 16801299039896772,
Mercedes 2043509519 Is Similar To:
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5 offers $225.00–$497.00 USD
  • Used. Offer #1 priced at $225.00 + $150.00 shipping estimate = $375.00* total. The part has been tested and is in good working condition, showing normal wear and tear This is a quality used A/C Receiver Drier Container for 01-04 Mercedes R170 SLK320 and SLK230 models.+$150.00 shipping
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