Mercedes C CLK Class W203 C209 Fuel Tank Tension Strap Left Right A2034700040

Mercedes C CLK Class W203 C209 Fuel Tank Tension Strap Left Right is a precision component from the Fuel filler caps and accessories category, designed for stable support and guidance of the fuel tank within the chassis. A properly selected mount reduces unwanted stress, improves fuel system safety, and facilitates vehicle maintenance. This component is particularly useful for post-collision repairs, tank replacement, or chassis restoration.

Specifications and technical data

• SKU: A2034700040
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2034700040
• Substitutable numbers: A2034700040, A 203 470 00 40, AS
• Location on the vehicle: Right, Left
• Category: Fuel Flaps & Components

Purpose and function of the strap

The fuel tank tension strap in the Mercedes W203 model is responsible for stably maintaining the tank in the correct position relative to the chassis. A correctly selected and installed component:

• ensures proper support for the tank during driving and while stationary,
• reduces vibrations transmitted to the fuel system,
• minimizes the risk of chafing of hoses and adjacent components,
• facilitates the removal and reinstallation of the tank during service work.

Thanks to its design dedicated to the W203 series, the strap works with factory mounting points, which translates into a secure fit with the chassis structure.

Vehicle placement and fitment

The presented strap has been designed for installation on the right or left side of the vehicle, allowing for flexible use depending on the body configuration and the scope of repair. Such a solution:

• facilitates the selection of the component when replacing a single mount,
• allows for the symmetrical restoration of the factory tank support system,
• promotes the maintenance of proper mounting geometry throughout the chassis zone.

Basing the design on the solution used by the Mercedes brand allows for maintaining compliance with factory assembly technology and the strength parameters specified for the W203.

Characteristics of the used component

The offered strap comes from dismantling and is marked as used condition, which in practice means maintaining the original geometry and mounting points while offering an attractive cost-to-functionality ratio. In the case of chassis structural components, choosing a used OEM component allows you to:

• maintain material consistency with other body elements,
• preserve factory reference points for fuel tank installation,
• reduce repair costs while maintaining correct performance parameters.

This solution works particularly well for maintenance repairs and restoring vehicle functionality after mechanical damage in the fuel tank area.

Fuel system application and service aspects

A functional fuel tank mount has a direct impact on the safety and durability of the fuel system. A properly installed strap:

• stabilizes the tank relative to the chassis during acceleration, braking, and driving on uneven surfaces,
• reduces the risk of leaks resulting from excessive tank movement,
• facilitates service access to fuel lines and equipment during inspections.

For users who want to better understand the relationship between the tank mount and the operation of the entire fuel system, an article describing diagnostics and operation will be useful – details can be found in the material Fuel system – injectors, pumps and fuel tank: maintenance and regeneration.

Component within the Mercedes brand and product category

The fuel tank tension strap belongs to the Fuel filler caps and accessories group, which are elements directly related to the operation and installation of the fuel system in the vehicle. If you are planning a comprehensive repair or modernization of the fuel system zone in your Mercedes and need other elements from the same group, such as filler covers, guide elements, or additional mounting accessories, check the available parts in the Mercedes Fuel filler caps and accessories category.

When choosing used components of this brand, it is also worth reading the guide on selecting original parts from dismantling – more information can be found in the article Used parts for Mercedes – original parts from dismantling, which discusses the practical aspects of operation and the cost-effectiveness of such solutions.