Mercedes W204 Manual Gearbox 6 Speed 711653 711.653 A2122600001 WARRANTY

Listing details

The gearboxes are sold with a 90-day warranty! They were tested before removal and are in full working order. Mercedes W204 Manual Gearbox 6 Speed 711653 711.653 A2122600001 WARRANTY is a factory-original drivetrain component designed for diesel-powered vehicles. It offers precise, mechanical gear shifting, providing the driver with a direct feel of the drivetrain's operation and the ability to effectively utilize the diesel engine's torque. This is a solution for users who expect a proven design, good durability, and full control over gear changes.

Specifications and technical data

• SKU: A2122600001
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2122600001
• Substitutable numbers: A2122600001, A 212 260 00 01
• Fuel type: Diesel
• Gearbox type: Manual
• Part type: Manual Transmission
• Category: Manual Transmission

Purpose and technical specifications

The presented gearbox belongs to the Manual Gearboxes category and was designed specifically for the Mercedes C-Class W204 generation models with diesel engines. The 6-speed mechanical construction allows for optimal gear ratios, which promotes both dynamic driving and economical fuel consumption at highway speeds. The manual transmission control system provides a direct connection between the driver and the drivetrain, which is particularly valued in vehicles used intensively – on the road, in mixed traffic, or in fleet applications. Using this gearbox in combination with a diesel unit enables efficient transfer of high torque while maintaining stable operation of the entire drivetrain.

Application in the Mercedes W204 drivetrain

This 6-speed manual gearbox is dedicated to working with diesel engines in the Mercedes W204, where it plays a key role in transferring power from the engine to the wheels. The design has been developed with a focus on:

• stable operation under high loads typical for diesel engines,
• smooth gear shifting across the entire RPM range,
• maintaining appropriately low engine speeds when driving at a constant speed,
• increased resistance to long-term operation. Thanks to the 6 gears, it is possible to precisely match the gear to current driving conditions, which translates into better vehicle flexibility and more favorable fuel consumption compared to simpler designs with fewer gears.

Benefits of choosing a manual gearbox for a diesel engine

Using a manual transmission in a diesel-powered car brings a number of practical benefits. The most important include:

• greater control over engine performance characteristics – the driver independently selects the gear according to load and speed,
• the ability to effectively utilize torque in the lower RPM range,
• a simpler, mechanical construction compared to many automatic gearboxes,
• easier diagnostics and service in specialized workshops. For users who value direct vehicle handling and predictable drivetrain behavior, this configuration is a functional and technically sound choice.

Condition, verification, and fitment

The offered gearbox comes from the used parts segment, which allows for reducing repair or vehicle upgrade costs while maintaining the manufacturer's original specifications. Before installation, a standard workshop procedure is recommended: checking for leaks, verifying the operation of the gear shifting mechanism, and changing the transmission oil in accordance with the service recommendations for the specific model. To ensure full compatibility with a specific Mercedes W204 version, it is worth comparing the gearbox markings with the vehicle data and technical documentation. This helps avoid installation problems and guarantees proper cooperation with other drivetrain elements, such as the clutch, half-shafts, or control system.

Technical support and additional materials

When selecting and installing a used manual transmission, a practical guide regarding typical faults and purchasing principles may be helpful. A detailed discussion of the differences between manual, automatic, and DSG gearboxes, as well as tips on what to look for when choosing a used transmission, can be found in the article Gearbox: manual, automatic, or DSG – typical faults and a guide to buying a used gearbox. 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 housings, selector mechanisms, or additional transmission components, check the available parts in the Mercedes Manual Gearboxes category.