MERCEDES A2134701002 Fuel Gas Reservoir Tank Benz C257 CLS53

( Manufacturer Part Number: A2134701002 ), ( C257 Cls450 Cls53 Cls350: 2019 2020 2021 2022 2023 C257 Cls ), ( Type: Fuel Tank ), ( Manufacturer Warranty: 1 Month ), ( Oe/oem Part Number: A2134701002, 2134701002, A 213 470 10 02 ), ( Country Of Origin: Germany ), ( Fuel Type: Gasoline )

Review MERCEDES benz Fuel Gas Reservoir Tank Assembly Oem fits CLS450

The **Mercedes-Benz A2134701002 Fuel Gas Reservoir Tank** is a precision-engineered component designed exclusively for the **C257 chassis models**, including the **CLS-Class (CLS450, CLS53, and CLS55)** vehicles. This high-performance fuel gas reservoir tank is a critical part of the vehicle s hybrid powertrain system, ensuring efficient energy storage and delivery for the electric motor while maintaining the integrity of the internal combustion engine s fuel supply. Crafted from durable, lightweight materials, this tank is engineered to withstand the rigorous demands of high-performance driving, including rapid acceleration, regenerative braking, and sustained highway speeds. Its robust construction minimizes the risk of leaks, corrosion, or structural failure, even under extreme operating conditions, such as temperature fluctuations or prolonged exposure to moisture.

The **A2134701002** tank features an optimized internal design that maximizes fuel efficiency and reduces weight, contributing to the vehicle s overall performance and fuel economy. It is equipped with advanced sealing technology to prevent gas leakage, ensuring that the hybrid system operates at peak efficiency while adhering to strict emissions and safety regulations. This component is compatible with Mercedes-Benz s **BlueTEC diesel-electric hybrid technology**, allowing seamless integration with the vehicle s electric motor and battery system, thereby enhancing both power output and fuel economy. Whether used in the **CLS450 (with the M256 V6 engine)** or the **CLS53 (with the M278 V8 engine)**, this reservoir tank plays a pivotal role in maintaining the balance between electric and internal combustion power, delivering a smooth, responsive, and environmentally conscious driving experience.

For maintenance and longevity, the **A2134701002** tank is designed for easy access and replacement, ensuring that technicians can perform inspections, fluid changes, or repairs with minimal downtime. Its compatibility with Mercedes-Benz s diagnostic and service protocols guarantees that it meets the highest standards of quality and reliability, reinforcing the vehicle s reputation for luxury, performance, and engineering excellence. Whether installed in a new vehicle or as a replacement part for an existing CLS-Class model, this fuel gas reservoir tank exemplifies Mercedes-Benz s commitment to innovation and precision in automotive engineering.

### **Pros and Cons of buying a Mercedes-Benz A2134701002 Fuel Gas Reservoir Tank (C257, CLS 450, CL53)**

1. **OEM Quality and Reliability** This is an original equipment manufacturer (OEM) part, meaning it meets Mercedes-Benz s strict engineering standards. It is designed to fit perfectly, ensuring proper function and longevity.

2. **Compatibility** The part is specifically engineered for the **C257 chassis (CLS 450 and CL53 models)**, reducing the risk of installation issues or improper fitment.

3. **Durability and Performance** The fuel gas reservoir tank is built to withstand high pressures and temperatures, ensuring reliable operation in various driving conditions.

4. **Warranty Coverage** Purchasing from an authorized dealer or reputable supplier may include a warranty, providing peace of mind against defects.

5. **Prevents Future Issues** Replacing a faulty or worn-out tank prevents potential fuel system malfunctions, such as leaks, pressure drops, or engine performance degradation.

6. **Resale Value Impact** Keeping the vehicle in top condition with genuine parts can help maintain its resale value, especially for luxury models like the CLS 450 and CL53.

1. **High Cost** OEM parts are significantly more expensive than aftermarket alternatives. The price may be a barrier for budget-conscious buyers.

2. **Limited Availability** Depending on the region, finding an authorized supplier for this specific part may require extra effort or longer wait times.

3. **Installation Complexity** Replacing the fuel tank may require professional installation, especially if it involves disassembling parts of the vehicle s undercarriage. This adds to labor costs.

4. **Potential for Counterfeit Parts** If purchasing from untrusted sources, there is a risk of receiving a fake or substandard part that could cause further damage.

5. **Weight Consideration** Fuel tanks, even OEM ones, contribute to the vehicle s weight. While this is negligible in most cases, it may be a minor factor in fuel efficiency for high-performance models.

6. **Environmental and Disposal Concerns** If the old tank contains residual fuel or requires special disposal (due to materials like carbon fiber in some models), proper handling may be necessary, adding to the inconvenience.

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### **Conclusion**

The **Mercedes-Benz A2134701002 fuel gas reservoir tank** is a high-quality, reliable OEM component essential for maintaining the performance and safety of the **CLS 450 and CL53 (C257 chassis)**. While it comes at a premium price and may require professional installation, the benefits such as long-term reliability, compatibility, and warranty protection outweigh the drawbacks for most owners.

For those prioritizing **long-term vehicle health and resale value**, investing in an OEM part is justified. However, if cost is a major concern, a **high-quality aftermarket alternative** (from a trusted brand) could be considered, though with the risk of slightly reduced longevity or fitment issues.

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### **Recommendation**

- **Buy from an authorized Mercedes-Benz dealer or a reputable OEM parts supplier** to ensure authenticity and warranty coverage.

- **Verify compatibility** with your specific model year and chassis (C257) before purchasing.

- **Consider professional installation** to avoid voiding warranties or causing further damage.

- **If on a tight budget**, explore **certified aftermarket options** (e.g., from brands like **Bosch, Mann-Filter, or Continental**) that offer OEM-level quality at a lower cost, but research reviews thoroughly.

- **Check for recalls or service bulletins** related to this part in your model year to ensure no known issues exist.

Ultimately, for luxury Mercedes-Benz owners, **prioritizing OEM parts for critical components like the fuel tank is the safest and most reliable choice**.

Details:

Declared values of each package are according to the actual value that. Mileage: 92K. Vehicle ID: 2019 C257 CLS450 92K. Color code: 040.

part #: a2134701002 prices

• $89.00-$419.51

specifications fueltanksysteme:

• for models: Cls450
• for makes: Mercedes
• mpn: A2134701002
• c257 cls450 cls53 cls350: 2019 2020 2021 2022 2023 C257 Cls
• type: Fuel Tank
• manufacturer warranty: 1 Month
• oe/oem part number: A2134701002, 2134701002, A 213 470 10 02
• country of origin: Germany
• fuel type: Gasoline

shipping fueltanksysteme:

• service: Flat Rate Freight
• cost: $300.00
• class: Freight
• type: Fixed

offer fueltanksysteme:

• quantity: 1
• options: Ship-to-home
• started: April 30, 2026
• availability: In Stock
• sold: 0

seller fueltanksysteme:

• rating: 100.0%
• # reviews: 16349
• city: Rancho Cordova, California

returns fueltanksysteme:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted

payments fueltanksysteme:

• credit card: Diners-club
• wallet: Paypal
• other

general fueltanksysteme:

• condition: Used
• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks

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