MERCEDES 1644700224 Bluetec Diesel Fuel Additive Reservoir Benz X164 Line
fits model: Gl350, Ml350. make: Mercedes.
( Manufacturer Part Number: 1644700224 ), ( Part Type: Fuel Line Additive ), ( Oe/oem Part Number: A1644700224, A1644709164 ), ( Country Of Origin: Germany )
Review MERCEDES benz Bluetec Diesel Fuel Additive Reservoir Line Oem fits GL350 ML350
The **Mercedes-Benz 1644700224 X164 GL350 ML350 BlueTec Diesel Fuel Additive Reservoir Line** is a precision-engineered component designed exclusively for the Mercedes-Benz GL-Class (X164) and ML-Class (W164) models equipped with the **OM654 BlueTec diesel engine**, specifically the **3.0L V6 (M350) variant**. This high-performance fuel additive reservoir line plays a critical role in the **BlueTec emissions control system**, ensuring optimal delivery of diesel exhaust fluid (DEF) to the Selective Catalytic Reduction (SCR) system a key component in reducing harmful nitrogen oxide (NOx) emissions to comply with stringent environmental regulations. Crafted from **high-grade, corrosion-resistant materials**, this reservoir line is engineered to withstand the demanding conditions of modern diesel engine operations, including exposure to DEF, high-pressure fuel systems, and temperature fluctuations. Its seamless integration with the engine s fuel rail and SCR module guarantees reliable DEF flow, preventing clogs, leaks, or performance degradation over time. The design incorporates **tight tolerances and reinforced fittings** to minimize the risk of fluid leaks, which could compromise the vehicle s emissions performance or lead to costly repairs. Whether installed during original equipment manufacturing (OEM) or as part of a maintenance or upgrade, this reservoir line exemplifies Mercedes-Benz s commitment to **precision engineering and emissions compliance**, ensuring that the GL350 and ML350 models continue to deliver both power and environmental responsibility. For owners and technicians, this component represents a vital yet often overlooked element of the vehicle s advanced diesel technology, underscoring the importance of proper maintenance in preserving both performance and regulatory adherence.
### **Pros and Cons of purchasing a Mercedes-Benz Part Number 1644700224 (X164 GL350/ML350 Bluetec Diesel Fuel Additive Reservoir Line)**
#### **Pros:**1. **OEM Quality and Compatibility** This is an original equipment manufacturer (OEM) part, meaning it is designed specifically for the Mercedes-Benz X164 (GL350/ML350) and Bluetec diesel models. It ensures a perfect fit and maintains the vehicle s performance and emissions compliance.
2. **Reliability and Durability** OEM parts are built to meet Mercedes-Benz s strict quality standards, reducing the risk of premature failure compared to aftermarket alternatives. The fuel additive reservoir line is a critical component in the diesel fuel system, and using a genuine part helps prevent leaks or malfunctions.
3. **Warranty Coverage** Purchasing from an authorized dealer or Mercedes-Benz service center may include warranty protection, providing peace of mind against defects. This is particularly useful if the part is still under the vehicle s original warranty period.
4. **Maintenance of Resale Value** Using OEM parts during maintenance or repairs helps preserve the vehicle s resale value, as buyers often prefer cars that have been serviced with genuine components.
5. **Compatibility with Diesel Additive Systems** The Bluetec diesel system relies on precise fuel delivery and additive injection. A faulty or non-OEM reservoir line could disrupt this process, leading to poor engine performance, increased emissions, or even engine damage. An OEM part ensures the system operates as intended.
6. **Ease of Installation** Since it is designed for the specific model, installation is straightforward, and there is less risk of compatibility issues with wiring, connectors, or mounting points.
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#### **Cons:**1. **Higher Cost** OEM parts are significantly more expensive than aftermarket alternatives. The price of this reservoir line will likely be higher than a generic or third-party replacement, which could be a financial consideration for budget-conscious buyers.
2. **Limited Availability Outside Dealerships** While OEM parts are widely available at Mercedes-Benz dealerships, they may not be as easily accessible through online marketplaces or independent auto parts stores. This could require ordering from the manufacturer or a specialized supplier, potentially increasing lead time.
3. **Potential Overkill for Minor Repairs** If the reservoir line is damaged due to a minor incident (e.g., a small leak or a loose connection), replacing it with an OEM part may be excessive if the issue could be resolved with a simpler fix or a lower-cost aftermarket part. However, in the case of the Bluetec system, cutting corners could risk long-term damage.
4. **Time-Consuming Replacement Process** Depending on the vehicle s service history and the complexity of the fuel system, replacing this part may require professional installation, especially if it involves disconnecting fuel lines or recalibrating the additive system. This could result in additional labor costs if done at a dealership.
5. **Environmental and Emissions Concerns** While the OEM part ensures compliance with Bluetec emissions standards, improper handling or installation (e.g., contamination during replacement) could temporarily affect emissions performance until the system is recalibrated.
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### **Conclusion:**The Mercedes-Benz part number **1644700224 (fuel additive reservoir line for X164 GL350/ML350 Bluetec diesel)** is a critical component that directly impacts the performance, reliability, and emissions compliance of your vehicle. While it comes with a higher price tag and may require professional installation, the benefits of using an OEM part such as guaranteed compatibility, long-term reliability, and maintenance of warranty coverage far outweigh the drawbacks for most owners.
For owners who prioritize longevity, emissions compliance, and resale value, investing in this OEM part is justified. However, if the budget is a major concern and the part is not directly linked to a critical failure (e.g., a minor leak that could be temporarily managed with an aftermarket solution), a cost-benefit analysis may be necessary. In most cases, especially for diesel vehicles with advanced emissions systems like Bluetec, **purchasing the OEM part is the recommended choice** to avoid potential long-term issues.
**Final Recommendation:**Purchase the **Mercedes-Benz OEM part number 1644700224** for replacement, preferably from an authorized dealer or a trusted Mercedes-Benz parts supplier. Ensure the installation is performed by a qualified technician to maintain the integrity of the diesel additive system. If the part is being replaced due to a minor issue, verify whether a lower-cost alternative exists without compromising the vehicle s performance or emissions compliance. For most owners, the reliability and peace of mind provided by an OEM part make it the best long-term solution.
Details:
Large items include: hood, door shell, fender, engine, transmission, trunk hatch, windshield, bumper, reinforcement clip, sub frame, roof, quarter apron, gas tank, etc. Item is in good working condition. All of the parts are tested either before or after removal from vehicle. Shipping cost or carrier may change, based on final destination.
Please, do not purchase parts just to check and diagnose your vehicles problem. Item may show light scuffs, scratches or other imperfections as a result of this being used part. Original Mercedes part.
part #: 1644700224 prices
- $99.60-$453.23
specifications emissyste:
- for models: Gl350, Ml350
- for makes: Mercedes
- mpn: 1644700224
- part type: Fuel Line Additive
- oe/oem part number: A1644700224, A1644709164
- country of origin: Germany
offer emissyste:
- quantity: 1
- options: Ship-to-home
- started: March 5, 2026
- sold: 0
- availability: In Stock
general emissyste:
- Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
- condition: Used
seller emissyste:
- city: Pleasant Grove, California
- # reviews: 52472
- rating: 99.8%
shipping emissyste:
- class: Standard
- cost: $15.00
- transit: 2-6 Days
- type: Fixed
- service: FedEx Ground / FedEx Home Delivery
- carrier: FedEx
returns emissyste:
- time: 30 Days
- policy: Returns Accepted
- paid by: Seller
payments emissyste:
- other
- wallet: Paypal
- credit card: Diners-club
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