Mercedes W205 C63 M177 Petrol Low Pressure Fuel Pipe Hose Line Tube A1770701632

Mercedes W205 C63 M177 Petrol Low Pressure Fuel Pipe Hose Line Tube is an original component from the Lines, hoses and pipes group, designed for the fuel supply system of petrol engines in models equipped with the M177 unit. Precise geometry and factory connectors ensure leak-proof fuel delivery at low pressure, which translates into stable engine operation and predictable throttle response.

Specifications and technical data

• SKU: A1770701632
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1770701632
• Substitutable numbers: A1770701632, A 177 070 16 32
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The described low-pressure pipe is responsible for the safe delivery of petrol from the low-pressure section of the fuel system to the subsequent components of the M177 engine supply system in the Mercedes W205 C63. The design of the pipe is adapted to the characteristics of petrol fuel, taking into account resistance to typical thermal and chemical loads occurring in the engine compartment.

Original routing of the pipe minimizes the risk of abrasion, micro-cracks, and leaks, which is important for both safety and the proper operation of the power unit. Thanks to the factory fitment, there is no need to modify the routing or use additional clamps or adapters.

Construction and fitment for Mercedes W205 C63 M177

The pipe has been designed specifically for the architecture of the M177 engine and the engine compartment of the Mercedes W205 C63, maintaining appropriate bending radii and section lengths. The used end pieces and quick-connectors are compatible with factory sockets, which facilitates installation and reduces the risk of incorrect connection.

As a result, the component maintains proper positioning relative to other fuel system components, engine accessories, and heat shields. Such fitment promotes stable operation over a long service life and limits the impact of vibrations and temperature changes on the pipe structure.

Condition, origin, and benefits of using a used part

The fuel pipe comes from the Mercedes brand and is a used item, which allows for an economical replacement while maintaining the original specification. Compared to aftermarket replacements, using an OEM part reduces the risk of fitment issues and eliminates the need for fuel system modifications.

Choosing an original low-pressure pipe is a beneficial solution for users who expect consistency with the vehicle's factory design, predictable fuel system behavior, and easier diagnostics in the future. This is particularly important in high-performance petrol units, where stable fuel supply has a direct impact on performance and engine refinement.

Installation and service aspects

The pipe is prepared for installation in place of the factory component, maintaining the original mounting points. Thanks to the use of proper connectors, service can be carried out efficiently, and the risk of leaks after replacement is limited, provided that the vehicle manufacturer's installation procedures are followed.

During replacement, it is recommended to check the condition of other fuel system components in the installation area, such as other lines, hoses, or pipes, to avoid returning to the same service area in a short time. Consistent replacement of components in one service cycle promotes the stability of the fuel supply system and limits vehicle downtime.

System expansion – related components

If you are planning a comprehensive repair or upgrade of the fuel system area in your Mercedes and need other components from the same group, such as additional lines, flexible hoses, or rigid supply pipes, check the available parts in the Mercedes lines, hoses and pipes category.

When planning broader service work, it is also worth familiarizing yourself with the principles of safely selecting used components in other key vehicle systems – you will find practical tips in the article Second-hand braking system: how to safely select discs, calipers, and ABS?, which helps to organize the process of assessing the condition of parts and minimizing the risk of an unsuccessful purchase.