Mercedes W168 M166 A 140 160 Petrol Inlet Intake Manifold A1661410301

Mercedes W168 M166 A 140 160 Petrol Inlet Intake Manifold is a precisely engineered intake system component, dedicated to the M166 series petrol engines in the A-Class W168 model. It is responsible for the even distribution of the air mixture to the cylinders, which translates into stable engine operation and predictable throttle response. Thanks to a design tailored to this specific generation of the A-Class, the manifold ensures proper flow geometry and compatibility with engine accessories.

Specifications and technical data

• SKU: A1661410301
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1661410301
• Substitutable numbers: A1661410301, A 166 141 03 01, BG
• Location on the vehicle: Front
• Fuel type: Petrol
• Category: Intake Manifolds

Purpose and function in the intake system

The Mercedes W168 M166 A 140 160 Petrol Inlet Intake Manifold in the A-Class W168 with the M166 engine plays a key role in shaping the airflow to the combustion chambers. Its tasks include:

• guiding air from the intake system to individual cylinders while maintaining the appropriate flow velocity,
• stabilizing engine operation at idle and under partial load,
• cooperating with the control equipment of the petrol unit,
• maintaining proper cylinder filling parameters across the entire rev range.

Its location in the front part of the engine bay facilitates service access and allows for efficient replacement in workshop conditions.

Compatibility with the M166 unit and petrol fuel

The presented component has been developed with the specifics of the M166 series petrol engines used in the A-Class W168 in 140 and 160 versions in mind. This means it is matched to:

• the geometry of the cylinder head and intake ports characteristic of this unit,
• the layout of sensors and control elements of the intake system,
• thermal conditions prevailing in the front part of the engine bay.

As a result, installation compatibility with the factory vehicle configuration is maintained, which reduces the risk of leaks and engine operation issues after replacement.

Installation characteristics and application

The manifold is designed for installation in the front zone of the engine bay, in place of the factory component. The design intended for the specific Mercedes A-Class W168 model allows for:

• the use of existing mounting points on the block and cylinder head,
• cooperation with the original intake system and accessories,
• retention of the standard configuration of hoses and connectors.

Such a fit facilitates quick installation and limits the need for additional modifications in the engine bay.

Condition, origin, and benefits of choosing a used part

The offered manifold belongs to the group of used original components, which in practice means maintaining factory geometry and compatibility while reducing repair costs compared to a new component. For workshops and individual users, this is a beneficial solution in situations where the priority is to restore proper engine operation on a reasonable budget.

Selecting parts according to manufacturer markings and interchangeable numbers allows for precise matching to the specific vehicle configuration, minimizing the risk of installation problems or improper engine operation.

Expanding the intake system in the Mercedes A-Class

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as additional manifolds, intake elements, or components cooperating with the fuel system, check out the available parts in the Mercedes Intake Manifolds category.

Technical support and knowledge about the exhaust and intake system

For users who want to better understand the relationships between the intake and exhaust systems and the impact of these components on engine performance, we have prepared a guide. To expand your knowledge on selecting used manifolds in premium brand cars, it is worth reading the article Performance exhaust system: used manifolds and sports catalytic converters on the road.

If you care about an informed and safe choice of elements such as intake manifolds when shopping online, a practical step-by-step guide may also be helpful: Safe purchase of used car parts online – a step-by-step guide, which discusses, among other things, selection by manufacturer markings and verification of compatibility with a specific vehicle model.