Mercedes-Benz A-Class W168 Rear Left N/S Engine Mount A1682420301

Mercedes-Benz A-Class W168 Rear Left N/S Engine Mount is a component from the Engine mounts group, responsible for providing stable support for the powertrain in the rear left section of the vehicle. A properly selected mounting bracket reduces unwanted vibrations, improves powertrain refinement, and enhances driving comfort in your Mercedes.

Specifications and technical data

• SKU: A1682420301
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1682420301
• Substitutable numbers: A1682420301, A 168 242 03 01, AS
• Location on the vehicle: Rear, Left
• Category: Engine Mounts

Purpose and function in the powertrain system

The engine/gearbox mount in the rear left part of the body acts as a critical load-bearing element in the powertrain mounting system. Its tasks include:

• transferring loads from the engine and gearbox to the body,
• limiting powertrain movement during acceleration, engine braking, and gear changes,
• working in conjunction with other components from the Engine mounts group to reduce vibration and noise in the cabin.

Thanks to its precise fit to the Mercedes-Benz A-Class W168 design, this mount ensures stable guidance of the powertrain in the transverse and longitudinal axes, which translates into predictable vehicle behavior and reduced stress on other mounts.

Vehicle placement and fitment

The presented component is designed for the rear left side of the vehicle, which is crucial when selecting parts within the engine and gearbox mounting system. Proper placement on the vehicle guarantees:

• compatibility with the factory mounting geometry in the Mercedes-Benz A-Class W168,
• correct distribution of forces and moments acting on the powertrain,
• preservation of the stiffness and flexibility designed by the manufacturer.

Selecting a mount that matches the body and powertrain design is particularly important when replacing a single component to avoid disrupting the operation of the remaining mounts.

Characteristics of the used component

The offered engine/gearbox mount is an original Mercedes part in used condition, meaning it comes from vehicle dismantling and retains its factory geometry and mounting method. In practice, this translates into:

• secure fitment to mounting points without the need for modifications,
• retention of original structural stiffness within the mounting area,
• the possibility of an economical repair of the engine and gearbox mounting system while maintaining parameters close to factory specifications.

A used component is a good solution in situations where only one mount has been damaged, while the other components of the mounting system remain functional.

Benefits of replacing the engine/gearbox mount

A properly selected and functional mount in the rear left part of the vehicle helps to reduce a range of adverse operational phenomena. After replacement, you can expect, among other things:

• a reduction in vibrations transmitted to the body and cabin interior,
• more stable powertrain operation during starting and gear changes,
• reduced load on other cushions and mounts, which extends their service life,
• a reduction in knocking and jerking resulting from excessive play in the mounting system.

For workshops and individual users, this means more predictable vehicle behavior and the ability to restore proper powertrain operation without interfering with other sub-assemblies.

Related components and technical knowledge

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 mounts, brackets, or vibration-damping elements, check the available parts in the Mercedes Engine mounts category.

When working on the powertrain, it is also worth paying attention to the condition of the cooling system, as excessive engine overheating can accelerate the wear of mounting components. More practical information on this topic can be found in the article Engine cooling system – overheating, repair, and used radiators, which discusses the impact of operating temperature on the durability of the engine and its accessories.