fits model: W212, E63s, Cls63, E63, Amg. make: Mercedes.

( Manufacturer Part Number: A2184100400 ), ( Type: Driveshaft ), ( Vintage Part: No ), ( Placement On Vehicle: Rear ), ( Country Of Origin: Germany ), ( Transmission Type: Automatic )
The **Mercedes-Benz A2184100400 W212 E63 AMG CLS 63 Rear Axle Driveshaft (Propeller Shaft)** is a high-performance, precision-engineered component designed exclusively for the iconic **W212 CLS 63 AMG** and its high-output **E63** engine variant. This driveshaft is a critical link in the powertrain system, transmitting the immense torque generated by the **6.2L supercharged V8** (or the **E63 s 4.7L V8 in earlier models**) from the front-mounted engine to the rear axle, ensuring seamless power delivery while maintaining structural integrity under extreme loads. Crafted from **high-grade alloy steel**, this driveshaft is heat-treated and dynamically balanced to withstand the relentless demands of high-performance driving, whether on a twisty backroad or during aggressive acceleration from a standing start. Its robust construction incorporates **precision-machined splines** and **flanged connections**, ensuring a secure and vibration-free transfer of power while minimizing wear over thousands of miles. The driveshaft s **slip-yoke design** allows for slight angular movement, accommodating suspension travel and ensuring optimal alignment even under dynamic conditions, a feature particularly critical in the CLS 63 AMG s sport-tuned suspension setup. For added durability, the driveshaft is often **coated with a protective anti-corrosion layer**, safeguarding against road salt, moisture, and environmental degradation, which is especially important for vehicles frequently driven in harsh climates. Whether installed in a **stock CLS 63 AMG** or a **modified high-horsepower variant**, this driveshaft is engineered to complement the vehicle s aggressive performance characteristics, delivering reliability and performance in tandem with the rest of the drivetrain. Its compatibility with the **E63 s aggressive power delivery** whether in standard or **AMG Performance** trim makes it an essential component for maintaining the integrity of the rear-wheel-drive system, ensuring that every ounce of power from the supercharged V8 is efficiently transmitted to the wheels without compromise.
### **Pros and Cons of Buying a Mercedes-Benz W212 E63 S (CLS 63 AMG) Rear Axle Driveshaft (Part Number: A2184100400)**
#### **Pros**
1. **High Performance and Reliability** The E63 S (CLS 63 AMG) is a high-performance model with a twin-turbocharged V8 engine (6.2L or 6.3L, depending on the market) producing **630 horsepower** and **760 lb-ft of torque**. The driveshaft is part of the drivetrain that delivers this power efficiently to the rear wheels, ensuring strong acceleration and handling.
2. **Durability of Mercedes AMG Components** Mercedes AMG parts, including driveshafts, are engineered for high-performance applications and are generally built to last longer than stock components in similar vehicles. The A2184100400 driveshaft is designed to handle the stresses of aggressive driving, high speeds, and heavy loads.
3. **Compatibility and Fitment** This specific driveshaft (A2184100400) is an **OEM replacement part**, meaning it is designed to fit perfectly into the W212 CLS 63 AMG without modification. It ensures proper alignment, balance, and functionality, reducing the risk of premature wear or drivetrain issues.
4. **Aftermarket and Performance Upgrade Potential** If you plan to modify your vehicle (e.g., adding a supercharger, exhaust, or suspension upgrades), a high-quality driveshaft like this one can handle increased stress better than an original worn-out part. Some aftermarket manufacturers also offer upgraded driveshafts for AMG models if further reinforcement is needed.
5. **Reduced Vibration and Smooth Operation** A well-maintained or replaced driveshaft eliminates excessive vibration, clunks, or rattles that can occur due to worn universal joints (U-joints) or bent shafts. This improves ride comfort and reduces long-term drivetrain damage.
6. **Resale Value Retention** Mercedes-Benz AMG models, especially well-maintained ones, retain their value relatively well. Keeping critical components like the driveshaft in good condition helps preserve the vehicle s overall value.
7. **Warranty Coverage (If Purchased from Authorized Dealer)** If bought from an **authorized Mercedes-Benz dealer or an approved parts supplier**, this driveshaft may come with a warranty, providing peace of mind against premature failure.
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#### **Cons**
1. **High Cost** OEM Mercedes-Benz AMG parts, including driveshafts, are **expensive**. The A2184100400 driveshaft can cost **$1,500 $3,000 **, depending on the source (dealer vs. aftermarket). This is significantly more than a generic driveshaft for a non-AMG vehicle.
2. **Labor-Intensive Replacement** Replacing a driveshaft in an AMG vehicle often requires **specialized tools, alignment, and balancing**. If you re not experienced with automotive work, labor costs at a shop can add **$500 $1,500 **, depending on the location and shop rates.
3. **Potential for Counterfeit Parts** If purchasing from an **unauthorized seller**, there is a risk of receiving a **counterfeit or low-quality driveshaft**. This can lead to premature failure, drivetrain damage, or even accidents. Always buy from **reputable dealers or verified aftermarket suppliers**.
4. **Limited Lifespan Compared to Stock (If Original is Worn)** Even OEM parts have a finite lifespan, especially in high-performance applications. If the original driveshaft was neglected, it may fail again sooner than expected. Regular **inspection and maintenance** (every **50,000 70,000 miles**) are recommended.
5. **Weight Consideration** Driveshafts, especially in AMG models, are **heavier than stock** due to reinforced materials. While this improves durability, it can slightly reduce **acceleration and fuel efficiency** compared to a lighter aftermarket alternative (if available).
6. **Specialized Knowledge Required for Diagnosis** If the driveshaft fails, diagnosing the exact issue (e.g., worn U-joints, bent shaft, or misalignment) requires **mechanical expertise**. A non-expert mechanic might misdiagnose the problem, leading to unnecessary repairs.
7. **Environmental and Ethical Concerns** Mercedes-Benz is known for **complex recycling processes** for high-end parts. If you re environmentally conscious, disposing of an old driveshaft improperly could be a concern (though most reputable shops handle this responsibly).
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### **Conclusion**
Buying the **Mercedes-Benz A2184100400 (W212 E63 S CLS 63 AMG rear axle driveshaft)** is a **wise investment** if:- You **prioritize reliability and performance** in a high-end AMG vehicle.
- You **plan to keep the car long-term** and want to avoid drivetrain failures.
- You **have access to proper installation and maintenance** (either through a mechanic or your own skills).
- You **cannot find a suitable aftermarket alternative** that meets OEM quality standards.
However, it is **not the best choice** if:- You are **operating on a tight budget**, as the cost is prohibitive.
- You **lack access to professional installation**, risking improper fitting or balance issues.
- You **plan to sell the car soon**, as the driveshaft does not significantly impact resale value beyond general maintenance.
- You **suspect the original driveshaft is still in good condition** and replacement is unnecessary.
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### **Recommendation**
1. **If the driveshaft is failing (vibrations, clunks, leaks):**- **Buy from an authorized Mercedes-Benz dealer or a trusted aftermarket supplier** (e.g., **AMG Performance Parts, MBParts, or local AMG specialists**).
- **Have it professionally installed** to ensure proper alignment and balancing.
- **Budget for labor** this is not a DIY-friendly repair unless you have experience with AMG drivetrain work.
2. **If the driveshaft is still functional but worn:**- **Monitor it closely** and replace only when necessary (every **50,000 70,000 miles**).
- **Consider an aftermarket alternative** (if available) that offers similar durability at a lower cost, but **verify reviews and warranties** before purchasing.
3. **If you re buying a used E63 S CLS 63 AMG:** - **Inspect the driveshaft for wear** before purchasing. Look for:- **Excessive play** in the U-joints.
- **Bent or cracked shafts**.
- **Lubricant leaks** (indicating seal failure).
- **Get a pre-purchase inspection** from an **AMG specialist** to avoid hidden drivetrain issues.
4. **For long-term ownership:**- **Follow Mercedes AMG s maintenance schedule** (including driveshaft inspections).
- **Consider upgrading to a reinforced driveshaft** if you plan **aggressive driving or modifications** (e.g., supercharging, heavy towing).
### **Final Verdict**
The **A2184100400 driveshaft is a high-quality, necessary replacement** for a W212 E63 S CLS 63 AMG when needed. While expensive, it ensures **reliability, performance, and longevity** critical for an AMG vehicle. **Prioritize sourcing from reputable sellers and professional installation** to maximize its benefits and avoid costly mistakes. If budget is a concern, weigh the risks of delaying replacement against the potential for **sudden drivetrain failure**.
COLOR CODE: 775 IRIDIUM SILVER METALLIC. CAME OFF A 2014 E63s AMG SEDAN 88K MILES. MERCEDES W212 E63s CLS63 AMG REAR AXLE DRIVESHAFT DRIVE SHAFT PROPELLER OEM. Item will come as pictured.