fits model: C300, E350, C350. make: Mercedes.

( Manufacturer Part Number: 211-471-01-79 ), ( Part Description: Seal Ring ), ( Type: Fuel Pump Tank Seal ), ( Universal Fitment: No ), ( Country Of Origin: Austria ), ( California Prop 65 Warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer And Reproductive Harm. )
The **Mercedes-Benz 211-471-01-79 Fuel Pump Tank Seal** is a precision-engineered component designed exclusively for the fuel tank assembly of select Mercedes-Benz models, including the **C-Class (C300), E-Class (E350), and the high-performance E350 AMG**. This high-quality rubber seal ensures a secure, leak-proof barrier between the fuel tank and the integrated fuel pump assembly, maintaining optimal fuel system integrity while preventing contamination from moisture, debris, or external elements. Crafted from durable, fuel-resistant elastomer materials, this seal is engineered to withstand the harsh conditions of continuous fuel flow, temperature fluctuations, and the mechanical stress of the pump s operation, ensuring long-term reliability and performance. Its precise fitment is tailored to the original equipment specifications of Mercedes-Benz s fuel tank design, guaranteeing a snug, vibration-dampening seal that minimizes wear and extends the lifespan of both the fuel pump and the tank itself. Ideal for both original equipment replacement and aftermarket upgrades, this seal is a critical component for maintaining the efficiency and safety of your vehicle s fuel delivery system, helping to prevent costly leaks, fuel spills, or pump failure that could compromise engine performance or pose a safety hazard. Perfect for mechanics, DIY enthusiasts, and fleet managers seeking genuine Mercedes-Benz quality, this part embodies the brand s commitment to engineering excellence and durability.
### Pros and Cons of buying a Mercedes-Benz 211-471-01-79 Fuel Pump Tank Seal for C300, E350, and C350 Models
#### **Pros:**1. **Compatibility** This part is specifically designed for the fuel tank assembly of the C300, E350, and C350 models, ensuring a proper fit without modifications. This reduces the risk of leaks or improper installation.
2. **OEM Quality** As an original equipment manufacturer (OEM) part, it meets Mercedes-Benz s strict standards for durability and performance. This means it should provide reliable sealing and longevity compared to aftermarket alternatives that may use lower-grade materials.
3. **Prevents Fuel Leaks** A failing fuel pump tank seal can lead to fuel leaks, which pose fire hazards and contaminate the fuel system. Replacing it with this part helps maintain system integrity and avoids costly repairs down the line.
4. **Simplifies Replacement Process** Since this is a direct replacement part, it should align seamlessly with the existing fuel tank assembly, making the installation process smoother and less prone to errors.
5. **Warranty Coverage** If purchased from an authorized dealer or a reputable supplier, this part may come with a warranty, offering peace of mind in case of defects or premature failure.
6. **Compatibility with Aftermarket Fuel Pumps** If you ve recently upgraded your fuel pump, this seal ensures a proper seal, preventing leaks that could occur with an incompatible aftermarket part.
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#### **Cons:**1. **High Cost** OEM parts are typically more expensive than aftermarket alternatives. The price of this seal may be significantly higher, which could be a deterrent for budget-conscious buyers.
2. **Limited Availability** Depending on the region, this part may not be readily available at local auto parts stores. You may need to order it online, which could involve shipping delays or additional fees.
3. **Potential for Counterfeit Parts** Purchasing from unauthorized sellers increases the risk of receiving a counterfeit or substandard part. This could lead to premature failure, leaks, or even damage to the fuel system.
4. **Installation Complexity** While the part itself is straightforward, replacing the fuel pump tank seal often requires draining the fuel tank, which can be labor-intensive. If you re not experienced with automotive repairs, you may need to pay for professional installation, adding to the overall cost.
5. **Mixed Reviews on Longevity** Some owners report that even OEM seals may wear out prematurely, especially if the vehicle has high mileage or has been driven aggressively. This could necessitate future replacements, offsetting the initial investment.
6. **Environmental and Safety Concerns** Fuel leaks from a failing seal pose environmental hazards (e.g., fuel spills contaminating soil or water) and safety risks (e.g., fire or fumes in the cabin). Proper disposal of old seals and fuel is necessary, which may not be convenient for all buyers.
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### **Conclusion:**The Mercedes-Benz 211-471-01-79 fuel pump tank seal is a high-quality, reliable option for maintaining the integrity of your C300, E350, or C350 s fuel system. Its OEM status ensures compatibility and durability, making it a strong choice if you prioritize long-term performance and safety. However, the higher cost and potential challenges in sourcing or installing it may be drawbacks for some buyers.
If you re experiencing symptoms like fuel leaks, a weak fuel pump, or spongy acceleration, replacing this seal is a prudent preventive measure. That said, if budget is a concern, you could explore high-quality aftermarket alternatives (e.g., from reputable brands like ACDelco or Bosch) that offer similar performance at a lower cost though always verify compatibility and reviews before purchasing.
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### **Recommendation:**1. **Verify Symptoms** Confirm that the issue is indeed a failing fuel pump tank seal (e.g., fuel leaks, erratic engine performance) before purchasing. A diagnostic scan or inspection by a Mercedes-Benz specialist can help rule out other potential problems.
2. **Purchase from Authorized Sources** Buy the part from an official Mercedes-Benz dealer, a trusted online retailer (e.g., Amazon, RockAuto, or local Mercedes service centers), or a reputable auto parts supplier to avoid counterfeit goods.
3. **Consider Professional Installation** Given the complexity of fuel system repairs, unless you re experienced with automotive work, have a certified mechanic install the seal to ensure proper sealing and avoid leaks.
4. **Explore Aftermarket Options** If the OEM part is prohibitively expensive, research aftermarket alternatives with strong reviews (e.g., parts from Fel-Pro or Mann-Hummel) that are known for durability. Always check compatibility and read user feedback.
5. **Budget for Additional Costs** Account for labor costs if hiring a professional, fuel disposal fees, or potential additional repairs (e.g., replacing the fuel pump if it s also failing).
6. **Maintain the Fuel System** After replacement, monitor the vehicle for any signs of leaks or performance issues. Regular fuel system maintenance (e.g., using fuel additives) can extend the life of the seal and pump.
**Final Verdict:** For those who value OEM reliability and are willing to invest in quality, the 211-471-01-79 seal is a solid choice. For cost-conscious buyers, carefully vetted aftermarket options may offer a balanced alternative without sacrificing performance. Always prioritize safety and proper installation to avoid long-term complications.
This is not acceptable. These parts are NOS which is New Part - Old Stock, They may have some minor blemishes and / or discoloration from long-term storage. Part numbers are from the actual packaging and may not have a make/ model reference. This has no negative effect on the parts or their performance.
Part Template Mercedes-Benz Fuel Pump Tank Seal - 211-471-01-79 For C3 E350, C350 More. Everyone pays the price for this. Please verify with your local dealer before purchasing. All costs have to be included in the delivered price.