Mercedes ML W166 Brake Booster Vacuum Hose Pipe Line Tube Petrol A1664302029

Mercedes ML W166 Brake Booster Vacuum Hose Pipe Line Tube is an original braking system component designed for petrol engine versions. As part of the Lines, Hoses and Pipes group, it is responsible for the stable supply of vacuum to the brake booster, which translates into predictable and safe brake pedal operation. This used OEM component is a sensible choice for professional repairs or restoring the system to factory specifications.

Specifications and technical data

• SKU: RHD-A1664302029
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1664302029
• Substitutable numbers: A1664302029, A 166 430 20 29
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and function in the braking system

The described hose is the connecting element between the vacuum pump and the brake booster in the Mercedes ML W166 generation model with a petrol engine. It is responsible for:

• maintaining the stable vacuum necessary for the brake booster to function,
• limiting pressure drops in the system during emergency braking,
• ensuring a leak-free flow between system components.

Thanks to its precisely selected diameter and shape, the hose works seamlessly with factory equipment, which helps maintain the original braking characteristics intended by the manufacturer.

Benefits of using an original hose

Using an original vacuum hose in a Mercedes ML W166 allows you to avoid problems typical of generic replacements. The component has been designed specifically for this model, ensuring that it:

• fits factory mounts and connectors without modifications,
• maintains the correct routing in the engine bay, minimizing the risk of chafing,
• provides the appropriate rigidity and flexibility under petrol engine operating conditions.

This solution is particularly recommended for repairs where maintaining the factory reliability of the braking system and predictable vehicle behavior during daily use are a priority.

Condition of the component and practical application

The offered hose is a used part, which allows for an economical repair while maintaining the manufacturer's original specifications. This type of component is suitable both for replacing a damaged or leaking hose and for comprehensive maintenance of the braking system in a Mercedes ML W166 with a petrol engine. A properly selected vacuum hose helps reduce increased braking distances resulting from improper brake booster operation.

Why choose an original Mercedes solution

For components responsible for driving safety, such as brake booster vacuum hoses, using original Mercedes solutions is particularly justified. The component has been developed for a specific petrol engine configuration, which facilitates installation and reduces the risk of leaks. It is a good choice for workshops specializing in servicing this brand and for users who want to restore the vehicle to parameters close to factory standards.

If you are planning a comprehensive repair or upgrade of the braking area in your Mercedes and need other elements from the same group, such as vacuum lines, flexible hoses, or rigid supply pipes, check out the available parts in the Mercedes Lines, Hoses and Pipes category.

When planning post-accident repairs or major service work, it is also worth considering the selection of appropriate used components instead of random replacements – you can find more practical tips in the article Repairing your car after an accident: why used body parts are a better choice than replacements?.