Engine Mount Mercedes W205 X253 OM651 4Matic Bracket Holder Left N/S A6512235604

The Mercedes W205 X253 OM651 4Matic Engine Mount Bracket Left is an original part from the Engine Mounts group, designed for precise mounting of the power unit in Mercedes vehicles with 4Matic drive. The robust construction of the left-hand bracket in the engine bay ensures stable support, reduces unwanted vibrations, and supports the correct geometry of the drivetrain.

Specifications and technical data

• SKU: A6512235604
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6512235604
• Substitutable numbers: A6512235604, A 651 223 56 04
• Location on the vehicle: Left
• Category: Engine Mounts

Purpose and Function of the Engine Mount

The left-hand engine mount in Mercedes C-Class W205 and GLC X253 models with an OM651 engine and 4Matic drive is responsible for transferring loads from the power unit to the body. It works with other mounting components to:

• maintain the correct position of the engine relative to the body and drivetrain,
• reduce vibrations transmitted to the cabin,
• stabilize the powertrain during acceleration, engine braking, and gear changes,
• support the durability of joints, drive shafts, and accessory components.

Thanks to its appropriately selected geometry and stiffness, this bracket contributes to a cohesive engine mounting system, which translates into predictable vehicle behavior and driving comfort.

Benefits of Using an Original Bracket

Using an original engine mount in a 4Matic system is important for both comfort and component durability. A correctly selected bracket:

• ensures compatibility with the subframe structure and other mounting elements,
• maintains the correct alignment of the driveshaft and drive shafts,
• reduces the risk of excessive stress in engine accessory components,
• helps preserve the factory operating characteristics of the OM651 engine in the 4Matic version.

For the user, this means more stable powertrain operation, reduced perceived vibrations, and predictable vehicle responses in typical and dynamic driving conditions.

Condition, Fitment, and Installation

The offered bracket comes from a Mercedes vehicle and is a used part, which allows for maintaining the original structural specification without interfering with the factory design. Its placement on the left side of the vehicle facilitates part selection when comparing with the existing mount on the car.

Before installation, it is recommended to verify compatibility with the specific body and engine version, and to inspect other components from the Engine Mounts group to restore the integrity of the entire mounting system in a single service operation.

Technical Support and Parts Selection

When working on OM651 units, it is advisable to pay attention to the condition of all engine accessories, including components responsible for power transmission and vibration damping. Practical tips on operating and servicing Mercedes engines can be found in the article: Reliability under the star – how to care for engine accessories in popular Mercedes-Benz C-Class and E-Class models?.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as additional mounts, brackets, or vibration damping elements, check the available parts in the Mercedes Engine Mounts category.