Smart C453 1.0 Petrol Automatic Gearbox Dual Clutch 700.410 7002702500 WARRANTY

Listing details

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

Smart C453 1.0 Petrol Automatic Gearbox Dual Clutch is a precisely engineered automatic transmission dedicated to petrol engines, ensuring smooth and predictable gear shifts. The dual-clutch design translates into faster drivetrain response and stable torque transfer in typical urban and suburban conditions. This is a solution for drivers who expect the comfort of an automatic while maintaining efficient, dynamic acceleration.

Specifications and technical data

• SKU: A7002702100
• Mark: Smart
• Condition: Used
• OEM Part Number: A7002702100
• Substitutable numbers: A7002702100, A 700 270 21 00, A7002702500, A 700 270 25 00, 320102290R
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: Automatic Transmission

Technical characteristics and intended use

The presented gearbox belongs to the Automatic transmissions group and has been developed for Smart models with a 1.0 petrol engine. The dual-clutch automatic system allows for the parallel preparation of the next gear, which reduces interruptions in power delivery and improves the overall refinement of the drivetrain.

The transmission is configured for the typical loads of a small city car, with an emphasis on:

• stable starting without jerking,
• consistent gear ratio matching to the characteristics of the petrol engine,
• comfortable driving in traffic jams and during frequent speed changes.

Benefits of using a dual-clutch gearbox

Compared to classic automatics, the dual-clutch design provides a more direct connection to the drivetrain. For the user, this means:

• more efficient gear shifting during acceleration and overtaking,
• better utilization of the available petrol engine power,
• more predictable vehicle behavior during downshifts.

A gearbox configured in this way fits well with the character of a light city car, where quick throttle response is important, while simultaneously reducing driver fatigue during daily use.

Vehicle integration and installation aspects

The gearbox has been developed as a component that works with the factory drivetrain architecture in Smart models, which facilitates its integration with the existing control system and petrol engine accessories. Proper matching to the 1.0 unit limits the need for additional mechanical modifications to the body or mounts.

When selecting a transmission, it is crucial to verify compatibility with the specific vehicle version, including the engine used, control software, and drivetrain configuration. This ensures that the gearbox can operate within a stable parameter range, without unwanted errors in communication with the vehicle's electronics.

Condition, origin, and practical application

The offered gearbox comes from the Smart brand and is a used component, which allows for an economical restoration of vehicle performance while maintaining the original drivetrain operating characteristics. This solution is particularly beneficial in situations where repairing the existing transmission is unprofitable or technically difficult.

For drivers considering the installation of a used automatic transmission, a broader discussion of the topic—differences between manual and automatic gearboxes, compatibility issues, and cost calculations—will be useful. Detailed information can be found in the article Used gearbox – when is it worth it and what you need to remember, which helps to consciously plan the replacement from a technical and financial perspective.

Drivetrain upgrade expansion

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Smart and need other components from the same group, such as additional transmissions, compatible automatics, or alternative gear ratio variants, check the available parts in the Smart Automatic transmissions category.