Mercedes C140 CL420 Automatic Gearbox 722622 722.622 A1402709400 WARRANTY

Listing details

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

Mercedes C140 CL420 Automatic Gearbox 722622 722.622 A1402709400 WARRANTY is a factory-original component from the Automatic gearboxes category, designed to work with the powertrain of this luxury S-Class coupé. This used automatic transmission allows for an economical yet technically sound repair of the drivetrain, maintaining performance characteristics consistent with Mercedes manufacturer standards.

Specifications and technical data

• SKU: A1402709400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1402709400
• Substitutable numbers: A1402709400, A 140 270 94 00
• Gearbox type: Automatic
• Category: Automatic Transmission

Purpose and technical specifications

The described automatic transmission has been designed specifically for the Mercedes C140 CL420 model, which guarantees proper fitment with the vehicle's drivetrain and electronics. The transmission design ensures smooth gear shifting, comfortable acceleration, and stable vehicle behavior at higher speeds, in line with the requirements of the luxury coupé segment.

As an item from the Automatic gearboxes category, the product is prepared for fully automatic operation, with gear ratios calibrated for flexibility and engine refinement. This solution is suitable for both daily city driving and relaxed highway cruising.

Benefits of using an original Mercedes gearbox

Using an original automatic transmission dedicated to the Mercedes C140 CL420 allows you to maintain the factory performance parameters of the drivetrain. Proper synchronization of the transmission with the engine and vehicle electronics results in:

• consistent operation of drivetrain control systems,
• predictable throttle response,
• comfortable, smooth gear shifts without excessive jerking,
• preservation of the driving character typical of the Mercedes brand.

For the user, this means a lower risk of compatibility issues and easier diagnostics in the future, as the transmission's operating parameters are consistent with the manufacturer's specifications.

Condition, origin, and use in repairs

The offered gearbox is a used component, which allows for a significant reduction in repair costs compared to purchasing a new unit, while maintaining the original design. This solution is particularly beneficial for comprehensive repairs of older Mercedes C140 CL420 units, where keeping the vehicle operational within a reasonable service budget is key.

The product is suitable both for replacing a damaged transmission and for restoration projects where preserving the car's original character is a priority. A used automatic transmission can also serve as a base for further specialized refurbishment if the workshop plans such actions as part of long-term maintenance.

Selection, installation, and technical support

Before installation, it is recommended to verify the compatibility of the gearbox with the specific vehicle configuration, including the model year and trim level of the Mercedes C140 CL420. Proper selection of the transmission minimizes the risk of electronic control issues and ensures correct cooperation with the drivetrain. A professional workshop with experience in Mercedes S-Class coupé models will be able to efficiently perform the installation and any necessary adaptation.

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

Technical knowledge and purchasing a used gearbox

When choosing a used automatic transmission, it is worth knowing the typical signs of wear and the inspection procedures that help assess the condition of the component before installation. A detailed discussion of the differences between manual, automatic, and dual-clutch transmissions, as well as practical tips on buying a used gearbox, can be found in the article: Gearbox: manual, automatic, or DSG – common faults and a guide to buying a used transmission.

If you are also interested in the ecological aspect and want to better utilize the potential of recycled parts in the context of performance and carbon footprint, the following material may be helpful: Eco-tuning in practice: how to increase performance while reducing your carbon footprint using recycled parts.