Mercedes-Benz A W168 Vaneo W414 Secondary Auxiliary Air Pump A0001404085

The Mercedes-Benz A W168 / Vaneo W414 Secondary Air Pump is an air intake system component mounted at the front of the vehicle, responsible for assisting in the post-combustion of exhaust gases during cold engine starts. This is a practical solution for users who want to maintain the correct operating parameters of the engine unit and stable exhaust system performance.

Specifications and technical data

• SKU: A0001404085
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0001404085
• Substitutable numbers: A0001404085, A 000 140 40 85, BG
• Location on the vehicle: Front
• Category: A/C Compressors & Clutches

Application and Function in the Engine System

The secondary air pump in Mercedes-Benz A W168 and Vaneo W414 models works in conjunction with the engine control system, supplying additional air to the exhaust manifold during the initial phase of the unit's operation. This allows for faster catalyst heating, reduced emissions of harmful exhaust components, and stable idle speed after engine start.

Its placement at the front of the vehicle facilitates efficient cooling and easier routing of air and electrical lines, which translates to seamless integration with the factory installation.

Construction and Fitment for Mercedes-Benz A W168 / Vaneo W414

The presented secondary air pump has been designed for full compatibility with factory mounting points and connectors in Mercedes A-Class W168 and Mercedes Vaneo W414 vehicles. This means:

• dedicated mounting points at the front of the body,
• a power connector designed for the factory wiring harness,
• adapted for original air hoses leading to the exhaust system.

This type of construction simplifies installation and reduces the risk of leaks or improper hose routing, which is crucial for the correct operation of the entire system.

Benefits of Using an Original Secondary Air Pump

Choosing an original component from the Mercedes range allows you to maintain the operating parameters specified by the vehicle manufacturer. Key benefits include:

• stable cooperation with engine electronics – correct airflow values and electrical load,
• maintaining compliance with exhaust emission standards for the specific model,
• reducing the risk of engine control unit errors related to improper secondary air system operation.

For users who prioritize technical consistency and predictable vehicle behavior, using an original secondary air pump is a particularly beneficial solution.

Condition, Verification, and Preparation for Installation

This component is a used part and is offered as a used secondary air pump. Such components are often chosen by discerning users looking for a reasonable compromise between repair cost and maintaining the vehicle's original technical specifications. Before installation, a standard check of the electrical system, vacuum lines, and exhaust system sealing is recommended to fully utilize this component's capabilities.

If you want to learn more about the advantages of using original used parts in cars of this brand, it is worth reading the article: Used Parts for Mercedes – Original Components from Disassembly, which describes the practical aspects of selecting and operating such components.

Alternatives in the Category and Additional Information

If you are looking for other Mercedes air conditioning compressors and clutches for your car, check out the available products in the Mercedes air conditioning compressors and clutches category, where you will find a wide selection of air conditioning system and engine accessory drive components for this brand.

For drivers interested in a broader perspective on vehicle operation and repair planning, the guide: TOP 10 Most Frequently Replaced Parts in Your Car may be useful, helping to better plan maintenance and select appropriate components without unnecessary costs.