fits model: W220. make: Mercedes. year: 2000–2006.

( Manufacturer Part Number: B66471841 ), ( Part Type: Wheel ), ( Color: Silver ), ( Placement On Vehicle: Left, Rear, Right ), ( Features: Oem Original Equipment, Exact Fit Quality ), ( Country Of Origin: Germany ), ( Fitment Type: Direct Replacement ), ( Vintage Part: No ), ( Ipn: E9195 )
The **Mercedes-Benz B66471841 DIFDA 18-Wheel Rear Axle Assembly (Part Number: 2204012802)** for the **W220 S-Class (2000 2006)** is a precision-engineered, high-performance axle module designed to deliver uncompromising stability, durability, and handling in one of the most iconic luxury sedans ever produced. This component is a critical part of the rear axle system, featuring a robust **DIFDA (Differential with Integrated Final Drive Axle)** configuration, which integrates the differential housing, drive shafts, and wheel bearings into a single, compact unit. Built to Mercedes-Benz s exacting standards, this axle assembly is constructed from high-grade **cast aluminum** and reinforced steel components, ensuring optimal weight distribution while maintaining structural integrity under extreme loads. The design incorporates a **spiral-bevel gear differential** with a **limited-slip differential (LSD) option** in certain models, providing superior traction and cornering precision, particularly in high-performance or all-wheel-drive (4MATIC) configurations. The **2204012802** part number corresponds to the **18-inch wheel application**, making it compatible with the S-Class s signature large-diameter wheels, which enhance both aesthetics and aerodynamic efficiency. This axle assembly is engineered to withstand the demands of high-speed travel, aggressive driving maneuvers, and prolonged use, with sealed bearings and robust seals to prevent contamination from road debris, ensuring longevity even in harsh conditions. Whether installed in a standard rear-wheel-drive (RWD) or all-wheel-drive (AWD) setup, this axle module plays a pivotal role in delivering the S-Class s legendary blend of comfort, refinement, and dynamic performance, embodying Mercedes-Benz s commitment to engineering excellence.
### **Pros and Cons of Buying a Mercedes-Benz W220 S-Class (2000 2006) with V8 Engine (B66471841, DIFA-D, 18-Wheel, Rear Axle 2204012802)**
#### **Pros**
1. **Legendary Luxury and Build Quality**
The W220 S-Class is widely regarded as one of the most luxurious and well-built sedans ever produced. Mercedes-Benz s craftsmanship, attention to detail, and premium materials make it a standout in the executive car market. The interior is spacious, refined, and often compared to a small living room, with high-quality leather, wood trim, and advanced features for its time.
2. **Powerful and Smooth V8 Engine (M112 or M113)**
The **B66471841 DIFA-D** designation refers to the **5.4L V8 engine** (M112 or M113, depending on model year) paired with a **7-speed automatic transmission (7G-Tronic)**. This engine produces **302 320 horsepower** (depending on year) and **369 376 lb-ft of torque**, delivering strong acceleration and a smooth, linear power delivery. The V8 is known for its reliability when properly maintained, especially in later years of the W220 (2003 2006).
3. **Advanced Technology for Its Era**
The W220 introduced several innovations, including:- **Comfort Control** (adaptive suspension with multiple driving modes)
- **Active Body Control** (for a smoother ride)
- **Advanced airbag system** (including side-impact and curtain airbags)
- **Optional navigation system** (with CD-ROM or later models with DVD)
- **Blind-spot monitoring** (one of the first production cars with this feature)
- **Adaptive cruise control** (available in later models)
These features were cutting-edge in the early 2000s and remain impressive today.
4. **Resale Value and Prestige**
The W220 holds its value exceptionally well compared to many luxury cars, especially well-maintained examples. Owning a Mercedes-Benz S-Class carries prestige, and the W220 is highly sought after by collectors and enthusiasts. A properly documented and serviced example can be a sound long-term investment.
5. **Comfort and Ride Quality**
The W220 is designed for comfort, with a **soft suspension setup** that absorbs road imperfections well. The **rear-wheel steering** (optional) and **adaptive damping** make it one of the most comfortable long-distance cars of its time. The **quiet cabin** is another standout feature, with excellent sound insulation.
6. **Optional Performance Upgrades**
The W220 offered several performance-oriented options, including:- **Sport Package** (stiffer suspension, sport steering wheel, sport seats)
- **AMG Line** (tuned suspension, sport exhaust, unique badging)
- **4MATIC all-wheel drive** (available in some markets)
- **Manual transmission option** (in early models, though rare in the U.S.)
These upgrades can enhance both driving dynamics and resale value.
7. **Reliability (If Well-Maintained)**
While Mercedes-Benz engines of this era are not as bulletproof as modern ones, the **V8 in the W220 is generally reliable** if:- Regular **oil changes** (every 5,000 7,500 miles) were done with **Mercedes-approved synthetic oil** (e.g., MB 229.5 or equivalent).
- **Timing belt** (if equipped) and **water pump** were replaced at the manufacturer s recommended intervals (typically **60,000 100,000 miles**).
- **Fuel system** (injectors, fuel pump) was serviced to prevent carbon buildup.
- **Transmission fluid** was changed at **60,000-mile intervals**.
Many W220s with these maintenance records run well into **200,000 miles**.
8. **Classic Status and Customization Potential**
The W220 is entering **classic car territory**, and well-preserved examples are becoming more valuable. Owners can enjoy the thrill of driving a piece of automotive history while also having the option to **restore or modify** the vehicle (e.g., interior upgrades, exterior restyling, or performance tuning).
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#### **Cons**
1. **High Maintenance Costs**
Mercedes-Benz luxury cars are **notoriously expensive to maintain**, especially compared to Japanese or American luxury brands. Common issues include:
- **Electrical gremlins** (faulty sensors, wiring issues, infotainment glitches)
- **Expensive repairs** (e.g., **7-speed automatic transmission** rebuilds can cost **$3,000 $6,000**)
- **High labor rates** (Mercedes dealerships charge premium prices for service)
- **OEM parts are costly** (aftermarket parts may not fit as well or last as long)
Buyers must be prepared for **unexpected repair bills**, especially if the car has **high mileage or poor maintenance history**.
2. **Common Reliability Issues**
While the V8 is generally robust, the W220 has several **known weak points**:- **Timing Belt & Water Pump** If not replaced on schedule, failure can lead to **catastrophic engine damage**. Many owners replace this **every 60,000 80,000 miles** as a precaution.
- **Fuel Injectors** Carbon buildup can cause **rough idle, misfires, and poor performance**. Cleaning or replacing injectors is **essential** for long-term reliability.
- **Transmission Issues** The **7G-Tronic automatic** can develop **slippage, rough shifting, or solenoid failures**, especially in higher-mileage examples.
- **Electrical Problems** The **infotainment system, sensors, and wiring harnesses** can fail over time, requiring **expensive diagnostics**.
- **Rust** Some W220s (especially in snowy or coastal climates) suffer from **frame rust**, which can compromise structural integrity.
- **Suspension Wear** **Shock absorbers, bushings, and control arms** wear out and should be inspected regularly.
3. **Fuel Economy is Poor**
The **5.4L V8** is thirsty, with **MPG ratings around 14 16 city / 20 22 highway** (EPA estimates). Gasoline prices make ownership **more expensive** than smaller luxury cars.
4. **Depreciation (Despite Good Resale Value)**
While the W220 holds value better than most, it still **loses value over time**. A **2000 2006 S500/S600** will never be worth as much as a **brand-new luxury sedan** today. Buyers should expect to **lose 50 70% of the original value** over 20 years.
5. **Complexity and Driver Assistance Limitations**
- **No modern driver aids** (no adaptive cruise, lane-keeping, or advanced safety systems).
- **Manual adjustments** for climate control, seats, and mirrors can be cumbersome.
- **Parking can be difficult** due to its **large size (208 inches long)**.
6. **Parts Availability and Scarcity**
- **OEM parts** for older W220s can be **hard to find**, leading to longer wait times.
- **Aftermarket support** is strong, but quality varies.
- **Dealership service** is often required for **warranty or recall work**, adding to costs.
7. **Potential for Poor Maintenance History**
Many W220s were **neglected** in their early years, leading to:- **Failed timing belts**
- **Ignored fluid changes**
- **Rust and corrosion**
- **Electrical failures**
Buyers must **thoroughly inspect service records** before purchasing.
8. **Not Ideal for Urban Driving**
- **Parking is difficult** due to size.
- **Fuel efficiency is poor** in stop-and-go traffic.
- **Agility is lacking** compared to modern luxury sedans.
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### **Conclusion**
The **Mercedes-Benz W220 S-Class (2000 2006) with a 5.4L V8** is a **fantastic choice for buyers who:****Prioritize luxury, comfort, and prestige** over practicality.
**Have the budget for maintenance and repairs**.
**Are willing to invest in proper upkeep** (oil changes, timing belt, injectors, transmission fluid).
**Enjoy driving a classic or high-end executive car** rather than a modern luxury sedan.
**Plan to keep the car for 10 years** and appreciate its long-term value.
However, it is **not ideal for:**Does NOT fit 4Matic model's, 18x9in Wheel, 46mm Offset, 5x112mm Bolt Pattern, OEM # B66471841. Fits: 2000 2006 S430, S5 S600 and CL model's make sure OEM # is on the wheel or it will not fit. Never installed or used. No damage, no repairs.
New OEM Genuine Mercedes Rear Alloy 18x9 Rim - in box.