SMART 4534710701 Fortwo Fuel Tank Reservoir Filler Neck 197-59666 W453 A4534703600

( Brand: Smart ), ( Manufacturer Part Number: 4534710701 ), ( Type: Fuel Tank ), ( Items Included: Fuel Filter ), ( Fuel Type: Gasoline ), ( Placement On Vehicle: Rear ), ( Features: Durability Tested ), ( Performance Part: No ), ( Manufacturer Warranty: 30 Day ), ( Ipn: 197-59666 )

Review SMART Fortwo Fuel Tank Gasoline Reservoir Filler Neck fits 2016

The **Smart 197-59666 2016 Fortwo (W453) Fuel Tank Reservoir Filler Neck (A4534703600)** is an essential, high-quality replacement component designed specifically for the iconic and compact **Smart Fortwo (W453) model series**, manufactured between 2014 and 2016. This precision-engineered filler neck is crafted to seamlessly integrate with the vehicle s fuel system, ensuring a secure and leak-free connection between the fuel cap and the tank reservoir. Constructed from durable, corrosion-resistant materials, it is built to withstand the rigors of daily driving, including exposure to varying temperatures, road debris, and the corrosive effects of fuel vapors over time. The design features a sleek, aerodynamic profile that not only enhances the vehicle s streamlined appearance but also minimizes air resistance, contributing to the Fortwo s renowned fuel efficiency.

This filler neck is engineered with **OEM-level accuracy**, meaning it matches the exact dimensions, thread pitch, and mounting specifications of the original equipment manufacturer s part, ensuring a perfect fit without the need for modifications. The robust construction includes a **reinforced sealing gasket** that prevents fuel spills and vapor leaks, maintaining the integrity of the fuel system while adhering to emissions regulations. The neck s smooth, tapered design allows for easy installation, whether you re performing a routine maintenance check or replacing a damaged component. Additionally, its compatibility with the **A4534703600** part number ensures that mechanics and DIY enthusiasts can confidently source this replacement without confusion, as it aligns with Smart s strict quality and engineering standards.

Beyond its functional reliability, this filler neck contributes to the overall longevity of the Fortwo s fuel system by reducing the risk of contamination and wear. The material composition is optimized to resist cracking, warping, or degradation from prolonged exposure to UV rays, moisture, or chemical residues, making it a long-term solution rather than a temporary fix. Whether you re restoring a classic Fortwo to its original condition or upgrading an existing vehicle for improved performance and safety, this filler neck is a critical component that upholds the integrity of the car s design and engineering philosophy. Its inclusion in your repair or maintenance project ensures that your Smart Fortwo continues to deliver the efficiency, agility, and urban-friendly practicality for which it is celebrated.

### **Pros and Cons of buying a Smart 197-59666 (2016 Fortwo W453 Fuel Tank Reservoir Filler Neck Part A4534703600)**

1. **Direct Fitment** This part is specifically designed for the **2016 Smart Fortwo W453 (A4534703600)**, ensuring compatibility without modifications. It avoids the hassle of aftermarket parts that may not align perfectly.

2. **OEM Quality** As an original equipment manufacturer (OEM) or high-quality aftermarket replacement, this filler neck is built to the same standards as the factory part. This reduces the risk of leaks, improper sealing, or premature wear compared to cheaper knockoffs.

3. **Prevents Fuel Spills and Contamination** A faulty or damaged filler neck can lead to fuel leaks, spills, or debris entering the fuel system. Replacing it ensures a proper seal and cleaner fuel delivery.

4. **Maintenance and Reliability** The Smart Fortwo s compact fuel system is sensitive to wear. Replacing a worn-out filler neck can prevent long-term issues like fuel pump failure or fuel line damage.

5. **Easy Installation** The part is designed for straightforward replacement, typically requiring only basic tools. Many owners report that it can be swapped in under an hour with minimal effort.

6. **Cost-Effective Long-Term Solution** While the upfront cost may seem high, replacing a failing filler neck early prevents more expensive repairs (e.g., fuel pump replacement or fuel line corrosion).

7. **Improves Fuel System Integrity** A properly functioning filler neck ensures that fuel flows smoothly into the tank without restrictions, maintaining engine performance.

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1. **Price** OEM or high-quality aftermarket parts for the Smart Fortwo can be **more expensive** than generic alternatives. Depending on availability, this part may cost **$50 $150**, which could be a significant investment for a small vehicle.

2. **Limited Availability** Unlike mass-market cars, Smart parts (especially for older models) can be harder to find. You may need to order from specialty suppliers, which could delay repairs.

3. **Potential for Counterfeit Parts** If purchasing from an untrusted seller (e.g., eBay, Amazon, or unknown marketplaces), there s a risk of receiving a **fake or low-quality replica**. Always verify the seller s reputation and part authenticity.

- Removing the fuel tank (requires draining fuel and possibly disconnecting components).

- Ensuring a proper seal (over-tightening can damage the neck or tank).

- Reconnecting electrical or fuel lines correctly.

5. **Warranty Considerations** If the vehicle is still under warranty, replacing the filler neck with an aftermarket part **may void coverage** for related components. Check with the dealership or manufacturer before proceeding.

6. **Rust and Corrosion Risk** If the original filler neck failed due to **corrosion or rust**, the new part may also degrade over time if exposed to moisture or road salt. Ensuring a proper seal is crucial.

7. **Compatibility Doubts** Some buyers worry about **mismatched threads or seals**, especially if the part is not 100% OEM. Always cross-reference the **part number (A4534703600)** with the vehicle s specifications.

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Replacing the **2016 Smart Fortwo W453 fuel tank reservoir filler neck (197-59666 / A4534703600)** is a **necessary maintenance task** if the original part is leaking, cracked, or damaged. The benefits **preventing fuel leaks, improving fuel system reliability, and avoiding costly downstream failures** far outweigh the drawbacks in most cases.

- **Buying from a reputable supplier** (e.g., official Mercedes-Benz Smart dealers, trusted online retailers like **RockAuto, eBay (verified sellers), or local auto parts stores**).

- **Following a detailed guide** (YouTube tutorials or manufacturer instructions) if attempting DIY.

- **Considering professional installation** if unsure about handling the fuel tank or electrical connections.

For most Smart Fortwo owners, **this replacement is a worthwhile investment** to maintain the vehicle s longevity and performance. However, if budget is a major constraint, **comparing prices across suppliers** and ensuring the part is genuine is essential.

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**Buy the part (197-59666 / A4534703600) from a trusted source** (preferably OEM or a well-reviewed aftermarket brand like **Denso, Bosch, or Mann Filter**).

**If comfortable with mechanics**, replace it yourself to save labor costs.

**If unsure**, take it to a **Smart specialist or Mercedes-Benz dealership** for installation to avoid mistakes.

**Check for rust or corrosion** on the surrounding fuel tank area address any underlying issues to prevent future failures.

**Keep a record** of the replacement for warranty or future reference.

**Verdict:** **Worth the purchase** for long-term reliability, but **prioritize quality and proper installation** to maximize benefits.

Details:

Simply drop us a message with your car model and we'll quickly confirm the fitment. Orders placed before 0800 ECT are dispatched on the same day.

part #: 4534710701 prices

• $69.99-$349.99

specifications fueltanksysteme:

• for years: 2016
• brand: Smart
• mpn: 4534710701
• type: Fuel Tank
• items included: Fuel Filter
• fuel type: Gasoline
• placement on vehicle: Rear
• features: Durability Tested
• performance part: No
• manufacturer warranty: 30 Day
• ipn: 197-59666

offer fueltanksysteme:

• availability: In Stock
• started: February 13, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home
• best offers: True

general fueltanksysteme:

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

payments fueltanksysteme:

• other
• credit card: Diners-club
• wallet: Google-pay

returns fueltanksysteme:

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

seller fueltanksysteme:

• rating: 99.6%
• city: Lumberton, New Jersey
• # reviews: 8476

shipping fueltanksysteme:

• type: Fixed
• class: Standard, Expedited
• transit: 5-10 Days
• service: USPS First Class, Expedited
• cost: $0.00
• carrier: USPS

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