GENUINE MERCEDES 642-070-02-00 Fuel Line Leak A6420700200

( Brand: Genuine Mercedes ), ( Ipn: A6420700200 ), ( Type: Fuel Return Line ), ( Manufacturer Part Number: 642 070 02 00 ), ( Fitment Type: Direct Replacement ), ( Manufacturer Warranty: 1 Year )

Review GENUINE MERCEDES Fuel Return Line Leak Year Warranty fits 2010–2016

Mercedes-Benz A-Class (W176) 2010-2016 Fuel Line Leak: Identification and Solution

Mercedes-Benz A-Class vehicles, specifically those modeled between 2010 and 2016 (W176 chassis), are known to experience fuel line leaks. This issue can lead to several concerns, including decreased fuel efficiency, increased engine noise, and even potential safety hazards due to the risk of fuel spills. In this detailed description, we will discuss the causes, symptoms, and potential solutions for the Mercedes-Benz A6420700200 fuel line leak.

The Mercedes-Benz A6420700200 fuel line is a critical component of the vehicle's fuel delivery system. It is a rubber hose that transports fuel from the fuel tank to the engine. Over time, due to the effects of heat, sunlight, and the natural aging process, the fuel lines can become brittle, cracked, or deteriorated, leading to leaks.

1. A visible puddle of fuel on the ground near the vehicle.

2. A noticeable decrease in fuel efficiency or an increase in fuel consumption.

3. A strong, unpleasant odor of gasoline coming from the engine compartment.

4. Engine misfires or hesitation upon acceleration.

5. The check engine light illuminating on the dashboard.

To address this issue, it is essential to replace the faulty fuel line with a new one. Mercedes-Benz dealerships and specialized auto repair shops can provide professional services to diagnose and repair the fuel line leak. Here's a step-by-step guide on how to replace the fuel line:

1. Locate the faulty fuel line: The fuel line in question is usually located near the fuel tank and the engine.

2. Drain the fuel tank: Safety first! Before working on the fuel lines, ensure the fuel tank is completely drained.

3. Disconnect the fuel lines: Use the appropriate wrenches and clamps to disconnect the fuel lines from the fuel tank and the engine.

4. Remove the old fuel line: Carefully cut away any damaged sections of the old fuel line using a sharp knife or fuel line cutter.

5. Install the new fuel line: Connect the new fuel line to the fuel tank and the engine using the proper clamps and fittings. Make sure to tighten the connections securely.

6. Bleed the fuel system: After installation, bleed the fuel system to remove any air bubbles that may interfere with proper fuel delivery.

In conclusion, the Mercedes-Benz A6420700200 fuel line leak in A-Class vehicles (2010-2016) can be a concerning issue. However, by identifying the symptoms and addressing the problem with a new fuel line, Mercedes-Benz A-Class owners can restore the reliability and safety of their vehicles. Remember, always prioritize safety when working with fuel lines, and consider seeking professional assistance if necessary.

Mercedes Benz W204 models, including the A-Class with the engine code A6420700200, produced between 2010 and 2016, have been reported to experience fuel line leaks. This issue can lead to several consequences, both in terms of vehicle performance and safety. Let's discuss the pros and cons of buying such a used Mercedes-Benz vehicle with this known problem.

1. Build Quality: Mercedes-Benz is renowned for its high-quality vehicles, with excellent craftsmanship and robust engineering.

2. Comfort and Luxury: The interior of the A-Class offers a high level of comfort and luxury, making for an enjoyable driving experience.

3. Performance: The engine in the Mercedes-Benz A-Class provides impressive performance, ensuring a thrilling drive.

4. Safety: Mercedes-Benz vehicles are known for their superior safety features, providing peace of mind to the drivers and passengers.

5. Availability of Spare Parts: Given the popularity of the Mercedes-Benz brand, it is relatively easy to find spare parts for repairs, including fuel lines.

1. Fuel Line Leaks: The primary concern with the Mercedes-Benz A-Class (A6420700200) models from 2010 to 2016 is the prevalence of fuel line leaks. This can lead to safety hazards, such as fires, and increased fuel consumption.

2. Cost of Repairs: The cost of repairing fuel line leaks can be quite high due to the specialized labor and parts required.

3. Potential for Additional Issues: Fuel line leaks can be a sign of other underlying issues within the vehicle's fuel system.

4. Impact on Resale Value: A vehicle with a history of fuel line leaks may have a lower resale value compared to one without such issues.

Buying a Mercedes-Benz A-Class (A6420700200) from 2010 to 2016 comes with both advantages and disadvantages. The high-quality build, comfort, luxury, performance, and safety features make it an attractive option. However, the prevalence of fuel line leaks in these vehicles can lead to costly repairs and potential safety hazards.

If you are considering purchasing a used Mercedes-Benz A-Class (A6420700200) from 2010 to 2016, it is crucial to have the vehicle inspected by a trusted mechanic. They can assess the condition of the fuel lines and provide an estimate for any necessary repairs. Alternatively, you may want to consider purchasing a vehicle with a different engine code or from a later model year to avoid this issue.

specifications injectiopug:

• for makes: Mercedes
• for years: 2010-2016
• brand: Genuine Mercedes
• interchange part number: A6420700200
• type: Fuel Return Line
• manufacturer part number: 642 070 02 00
• fitment type: Direct Replacement
• manufacturer warranty: 1 Year

offer injectiopug:

• quantity: 2
• availability: In Stock
• options: Ship-to-home
• started: August 28, 2025
• sold: 0

shipping injectiopug:

• service: Standard
• type: Fixed
• transit: 5-9 Days
• class: Standard
• cost: $0.00

returns injectiopug:

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

seller injectiopug:

• rating: 98.7%
• # reviews: 22647

payments injectiopug:

• other
• wallet: Paypal
• credit card: Discover

general injectiopug:

• condition: New
• Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts

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