Mercedes W211Engine Mount Bearing Left N/S M112 Petrol A1122232004

Mercedes W211Engine Mount Bearing Left N/S M112 Petrol is a precision-engineered component of the powertrain support system, designed for Mercedes vehicles equipped with the M112 petrol engine. It is responsible for providing stable support for the engine on the left side, reducing vibrations, and ensuring proper load distribution to the chassis, which results in smoother powertrain operation and increased driving comfort.

Specifications and technical data

• SKU: A1122232004
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1122232004
• Substitutable numbers: A1122232004, A 112 223 20 04, BG
• Location on the vehicle: Left
• Fuel type: Petrol
• Category: Engine Mounts

Purpose and function of the component

The engine mount bracket on the left side for the Mercedes W211 with the M112 petrol unit operates in the immediate vicinity of the powertrain, working in conjunction with engine mounts and other support points. Its tasks include:

• maintaining the correct engine seating geometry relative to the chassis,
• transferring dynamic loads during acceleration, braking, and driving over uneven surfaces,
• working with engine mounts to dampen vibrations and oscillations,
• providing a stable mounting point for the powertrain on the left side.

Thanks to its specifically engineered design, this type of mount helps reduce the transmission of vibrations to the body, which improves the refinement of the powertrain and the subjective feeling of vehicle handling quality.

Benefits of using an original mount

Using a dedicated engine mount bracket in a Mercedes W211 with an M112 petrol engine provides a range of practical service and operational benefits. The component is designed for the specific architecture of the front body section, ensuring that it:

• fits factory mounting points without the need for modifications,
• maintains the correct engine position relative to the transmission and other components,
• reduces the risk of improper tension on cables, hoses, and electrical harnesses,
• supports even load distribution across the vehicle's support system.

Combined with properly selected engine mounts, such a bracket helps maintain factory powertrain performance parameters, which is important for both the durability of mechanical components and the comfort of the driver and passengers.

Mounting characteristics and application

The presented mount is intended for use on the left side of the engine bay in Mercedes cars with the M112 petrol unit. The mounting system has been developed for the specific loads and operating conditions typical of this generation of powertrain, making its use particularly important when:

• replacing a damaged or corroded bracket,
• performing comprehensive maintenance on the engine support system,
• restoring factory geometry after accident repairs,
• reducing excessive vibrations and knocking sounds originating from the powertrain area.

Selecting a component compatible with the M112 petrol engine design minimizes the risk of fitment issues and allows for the maintenance of manufacturer-specified clearances and support points.

Condition and advantages of choosing a used part

The offered bracket comes from the used parts segment, which represents a reasonable compromise between repair costs and maintaining the original design. In practice, this means:

• the ability to use a component consistent with the original Mercedes design,
• cost savings compared to new aftermarket replacements,
• alignment with the idea of reusing functional components,
• maintaining high compatibility with the existing engine mounting system.

For many Mercedes W211 owners, choosing a used, original mount is a technically sound solution that allows the vehicle to be kept in good operational condition without excessive budget strain.

Expanding the mounting system and selecting other components

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as additional mounts, brackets, or parts that work with engine mounts, check the available parts in the Mercedes engine mounts category.

When planning a larger scope of work, it is worth looking at the entire service project more broadly. A guide describing how to effectively collect original used parts in one place and how to avoid problems associated with cheap replacements may be helpful – details can be found in the article Comprehensive supply: from the engine to the smallest clip – how to collect used car parts in one place?.