Mercedes R320 W251 OM642 4Matic Automatic Gearbox 722.902 2512703300 WARRANTY

Listing details

The gearboxes are sold with a 90-day warranty! They were tested before removal and are in full working order.

Mercedes R320 W251 OM642 4Matic Automatic Gearbox 722.902 2512703300 WARRANTY from the Automatic transmissions family is a factory-made transmission unit designed to work with a diesel engine and 4Matic drive. It is a solution created for smooth gear shifting, stable torque transfer, and comfortable daily operation.

Specifications and technical data

• SKU: A2512701101
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2512701101
• Substitutable numbers: A2512701101, A 251 270 11 01
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: Automatic Transmission

Purpose and technical characteristics

The described automatic transmission has been designed to work with a diesel power unit, which means the gear ratios are adapted to high torque in the low and medium RPM range. The automatic design ensures sequential, electronically controlled gear shifting, which translates into stable acceleration and reduced jerking during gear changes.

As an element from the Automatic transmissions group in Mercedes vehicles, this model is designed to work with advanced all-wheel-drive systems, which is important for the durability of the transmission and the even distribution of driving force.

Benefits of using an original automatic transmission

Using an original automatic transmission in a Mercedes R320 W251 with a diesel engine allows you to maintain the factory operating parameters of the drivetrain. Properly selected gear ratios support economical fuel consumption during calm driving and provide a power reserve under higher loads, e.g., during highway driving or with a fully loaded vehicle.

Key advantages include:

• maintaining compatibility with factory drive control systems,
• consistent operation with the all-wheel-drive system,
• comfortable, automatic gear shifting without the need for driver intervention,
• adaptation to the characteristics of a diesel engine.

Condition and practical application

The offered transmission belongs to the group of used parts, which in practice means the possibility of an economical vehicle repair while maintaining the manufacturer's original design. This type of solution is particularly beneficial in the event of major transmission failures, when regenerating the existing component is unprofitable or time-consuming.

Replacing the complete automatic transmission in a Mercedes R320 W251 allows you to restore the proper operation of the drivetrain, reduce the risk of recurring faults, and ensure predictable vehicle behavior in various road conditions.

Selection, installation, and technical support

When selecting an automatic transmission for a specific vehicle configuration, it is crucial to verify compatibility with the diesel engine unit and the drive system used. Installation in a specialized service center that has experience working with Mercedes automatic transmissions is recommended, as this minimizes the risk of installation errors and electronic adaptation problems.

To better understand the differences between individual types of transmissions and to learn practical tips regarding the purchase of a used gearbox, it is worth reading the guide: Manual, automatic, or DSG transmission – common faults and a guide to buying a used gearbox. The article discusses, among other things, the specifics of automatic transmissions and the most common signs of wear.

Related Mercedes Automatic transmissions

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Mercedes and need other elements from the same group, such as torque converters, transmission housings, or additional control components, check the available parts in the Mercedes Automatic transmissions category.