Mercedes-Benz C W204 200 220 CDI Brake Servo Vacuum Pipe Hose Line A2044302029

Mercedes-Benz C W204 Brake Booster Vacuum Hose 200 220 CDI is an original brake system component, designed specifically for C-Class models with diesel engines. As part of the brake lines category, it is responsible for stable vacuum supply to the brake booster, which translates to predictable brake pedal response and safe speed reduction. This is a solution for users who want to maintain the factory braking characteristics of their Mercedes.

Specifications and technical data

• SKU: rhd-A2044302029
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2044302029
• Substitutable numbers: A2044302029, A 204 430 20 29, EM
• Category: Brake Cables

Purpose and Function in the Braking System

The offered vacuum hose is dedicated to the brake booster in Mercedes C W204 with 200 CDI and 220 CDI units. Its task is to reliably connect the vacuum pump to the booster, ensuring that the brake assist operates consistently and in accordance with the manufacturer's specifications.

By maintaining the original geometry and internal diameter, the hose ensures:

• stable vacuum across the entire engine operating range,
• correct brake booster response,
• consistent brake pedal feel, without delays or a "spongy" effect.

Construction and Fit for Mercedes-Benz C W204

The hose is designed as an OEM part for the specific C W204 platform, meaning its shape, length, and connector placement are adapted to the factory routing in the engine bay. This allows for:

• secure mounting in original brackets,
• avoidance of hose stress and kinks,
• maintaining adequate clearance from heat-generating components.

Such a precise fit reduces the risk of leaks and accidental abrasion, which is crucial for the stability of the braking system.

Benefits of Using an Original Vacuum Hose

Using an original brake booster hose in the Mercedes C W204 200/220 CDI allows you to maintain braking performance at the level intended by the manufacturer. In practice, this means:

• maintaining factory power assist characteristics – predictable braking force with known pedal travel,
• lower risk of failure compared to aftermarket alternatives of uncertain origin,
• easier brake system diagnostics – the component corresponds to factory service schematics.

This is particularly important in diesel-powered vehicles, where the vacuum system operates under demanding conditions and is heavily utilized.

Condition and Service Application

This part is a used component and is intended for users looking for a tested brake booster vacuum hose for their Mercedes C W204, without the need to purchase expensive new parts. It can be used for a standard replacement of a worn hose or during comprehensive brake system servicing, for example, after detecting a decrease in power assist effectiveness.

Before installation, standard leak testing and correct hose routing according to the factory layout are recommended to fully utilize its properties.

Mercedes Brake Lines – Selection and Additional Information

If you need other Mercedes brake lines for the C-Class or other models of this brand, please use the dedicated category: Mercedes brake lines. There you will find a wide selection of brake system components tailored to different generations and engine versions.

When selecting used brake system components – including hoses, boosters, calipers, or control modules – it is advisable to follow proven procedures. Practical tips can be found in the article: Used Braking Systems: How to Safely Choose Discs, Calipers, and ABS?, which discusses step-by-step what to look for when purchasing used brake components.