fits model: C63, Amg. make: Mercedes. year: 2008–2015.

( Brand: Bbb Industries ), ( Manufacturer Part Number: 313-0339 ), ( Label: Reman Rack And Pinion ), ( Product Type: Factory Replacement ), ( Type: Rack And Pinion Assembly ), ( Bushings Included: No ), ( Distance Between Mounting Holes: Mm ), ( Hydraulic Or Electric: Hydraulic ), ( Inner Tie Rods Included: Yes ), ( New Or Remanufactured: Remanufactured ), ( Pressure Port Thread Size: 11mm ), ( Turns Lock To Lock: 2.56 )
The **313-0339 Rack Pinion Assembly** is a precision-engineered component designed specifically for the **Mercedes-Benz C63 AMG (W205) models produced between 2008 and 2015**, serving as the backbone of the vehicle s steering system. This high-performance part replaces the original rack and pinion mechanism, ensuring optimal responsiveness, durability, and accuracy in steering feedback a critical factor for both daily driving and high-speed performance. Crafted from high-grade **steel and reinforced alloys**, the rack pinion is built to withstand the rigorous demands of aggressive driving, including sharp cornering, high-speed maneuvers, and prolonged exposure to demanding conditions. The assembly features a **serpentine gear design** that minimizes backlash, reducing play in the steering and enhancing the driver s ability to execute precise inputs, which is particularly valuable for enthusiasts who prioritize a sporty, engaging driving experience. The **sealed and lubricated pinion shaft** ensures longevity by protecting internal components from dust, moisture, and debris, while the **robust mounting brackets** provide secure alignment with the vehicle s suspension and steering linkage. This aftermarket upgrade is compatible with both **stock and modified C63 AMG setups**, making it an ideal choice for those seeking to restore or enhance steering performance without compromising the vehicle s original handling dynamics. Whether used in a restoration project or as part of a performance upgrade, the **313-0339 rack pinion** delivers a seamless blend of reliability and responsiveness, ensuring that every turn feels sharp, controlled, and true to the AMG spirit.
### **Pros and Cons of Buying a 313-0339 Rack Pinion for a 2008-2015 Mercedes-Benz C63 AMG**
#### **Pros:**1. **Direct OEM Replacement** The 313-0339 is an original Mercedes-Benz part, ensuring a perfect fit with no modifications required. It maintains the vehicle s intended handling characteristics, including precise steering response and alignment with the suspension system.
2. **Improved Durability** Compared to aftermarket or generic replacements, the OEM rack is built to Mercedes-Benz specifications, using high-quality materials and precise manufacturing. This reduces the risk of premature wear, leaks, or failure, especially in high-performance applications like the C63 AMG.
3. **Reliability and Longevity** The C63 AMG s steering system is under moderate stress due to its weight and performance tuning. An OEM rack minimizes the chance of unexpected failures that could lead to costly repairs or safety concerns.
4. **Warranty Coverage** If purchased new or from an authorized dealer, the part may still carry a limited warranty, providing peace of mind against defects. Aftermarket parts often lack such guarantees.
5. **Compatibility with Upgrades** If you plan to modify your suspension (e.g., lower springs, stiffer bushings, or sway bars), the OEM rack will integrate seamlessly without compatibility issues that might arise with non-OEM alternatives.
6. **Resale Value** Keeping the vehicle stock or with genuine parts can preserve its value, especially if you intend to sell it in the future. Buyers often prefer cars with original components.
7. **Technical Support** Mercedes-Benz dealerships and authorized service centers have access to diagnostic tools and expertise specific to OEM parts, making repairs or adjustments easier if needed.
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#### **Cons:**1. **High Cost** The 313-0339 rack pinion is significantly more expensive than aftermarket alternatives. Prices can range from **$1,200 to $2,500 **, depending on whether it s new or used. Installation labor (if not DIY) will add to the expense.
2. **Longer Lead Times** OEM parts, especially for older models, may not be in stock at local dealerships. Ordering directly from Mercedes-Benz or authorized distributors can result in weeks of waiting, which may be inconvenient if the rack is failing.
3. **Limited Customization** Unlike aftermarket racks, which may offer adjustments for steering ratio, toe control, or performance tuning, the OEM part is fixed to the factory specifications. If you re looking to modify steering feel or response, you ll need additional aftermarket components.
4. **Potential for Counterfeit Parts** When purchasing used or from third-party sellers, there s a risk of receiving a fake or salvaged part. Always verify the part s authenticity, especially if buying from eBay, Craigslist, or salvage yards.
5. **Installation Complexity** Replacing the rack pinion requires removing the front wheels, disconnecting the steering column, and often adjusting the tie rods and alignment. While DIY is possible, it demands mechanical skill and the right tools. Professional installation can cost **$300 $600**, adding to the total expense.
6. **Wear and Tear on Related Components** If the rack has been leaking fluid or binding for an extended period, adjacent parts (e.g., tie rods, bushings, or the steering column) may have degraded. Replacing just the rack may not fully resolve steering issues if these components are worn.
7. **Environmental and Ethical Concerns** OEM parts contribute to e-waste when discarded. If you re environmentally conscious, aftermarket or refurbished parts (with proper recycling) might be a more sustainable choice.
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### **Conclusion**
The **313-0339 rack pinion is the best choice for owners who prioritize reliability, longevity, and maintaining their C63 AMG s original character**. It eliminates the risk of compatibility issues, ensures proper steering feel, and aligns with Mercedes-Benz s engineering standards. However, the **high cost and potential lead times** make it a significant investment, especially for those on a budget or seeking performance upgrades beyond the factory spec.
If your primary concern is **steering precision and long-term durability without compromising the car s integrity**, the OEM part is the safest option. Conversely, if you re looking for **cost savings, performance tuning, or customization**, an aftermarket rack (e.g., from **Megacar, Apexi, or Eibach**) may be worth considering though you ll need to research compatibility and warranties carefully.
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### **Recommendation**
- **Buy the OEM 313-0339 rack pinion if:**- You want a **direct replacement** with no risk of compatibility issues.
- Your budget allows for the higher upfront cost.
- You plan to keep the car long-term or sell it with minimal modifications.
- You ve confirmed the rack is the root cause of your steering issues (leaks, play, or binding).
- **Consider an aftermarket alternative if:**- You re on a **tighter budget** and can find a reputable brand with good reviews (e.g., **Apexi, Megacar, or Eibach**).
- You want to **adjust steering ratio or response** (some aftermarket racks offer these features).
- You re comfortable with **DIY installation** and researching part quality.
- **Additional Tips:**- **Inspect the rack thoroughly** before purchasing look for leaks, corrosion, or excessive wear.
- **Get a professional alignment** after installation to ensure proper steering geometry.
- **Replace related components** (e.g., tie rod ends, bushings) if they show signs of wear to prevent future issues.
- **Check for used OEM racks** from reputable sources (e.g., **CarParts.com, RockAuto, or local salvage yards**) to reduce costs, but verify the part s history.
Ultimately, the **OEM part is the gold standard for a C63 AMG**, but weigh the pros and cons against your priorities performance, budget, and long-term goals to make the best decision.
This does not mean that fog lamps are included. Label: Reman Rack and Pinion. Rack length mm: 1190.752. SHIPPING INFORMATION: This ships via standard shipping.
Type: Rack and Pinion Assembly. Rack length In: 46.88. For example, if it states with fog lamps, this means your vehicle must be equipped lamps. Distance Between Mounting Holes mm: 263.525.