Mercedes W205 Rear Axle Differential Diff Ratio = 1:3.266 A2053507704 WARRANTY

Listing details

The differential is sold with a 90-day warranty! It was tested before removal and is in full working order.

Mercedes W205 Differential Rear Axle 1:3.266 is an original drivetrain component from the Differentials - Diffs category, designed for installation on the rear axle of Mercedes vehicles with a gasoline engine and automatic transmission. A used differential with this gear ratio helps maintain factory acceleration characteristics, engine speed, and acoustic comfort, serving as a functional solution for repairing or replacing the drive axle.

Specifications and technical data

• SKU: A2053507704
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2053507704
• Substitutable numbers: A2053507704, A 205 350 77 04, A2053506336, A 205 350 63 36
• Location on the vehicle: Rear
• Fuel type: Petrol
• Gearbox type: Automatic
• Part type: Differential & Housing Assembly
• Category: Differentials

Gear Ratio 1:3.266 and Rear Differential Operating Characteristics

The 1:3.266 gear ratio in the Mercedes W205 rear differential provides a balanced compromise between driving dynamics and economy. This gear ratio selection:

• maintains engine RPM at a reasonable level at highway speeds,
• ensures smooth starts and flexible acceleration in typical urban conditions,
• contributes to vehicle stability when paired with an automatic transmission.

The differential mounted on the rear axle is responsible for distributing torque between the wheels, which is crucial for traction, predictable cornering behavior, and even tire wear.

Compatibility with Gasoline Engine and Automatic Transmission

The presented differential is designed to work with a gasoline engine and an automatic transmission in Mercedes C-Class W205 models. This means its gear ratio characteristics, internal design, and mounting method are adapted to:

• the torque typical for gasoline engines used in the W205,
• the shifting strategy of the automatic gearbox,
• the factory traction control and stability control systems.

This ensures the differential maintains consistency with the original drivetrain configuration, facilitating installation and minimizing the risk of undesirable changes in vehicle behavior.

Practical Application and Benefits of Installing a Used Differential

A used rear differential for the Mercedes W205 is particularly useful in situations where the drive axle has suffered mechanical damage, the main gearbox is excessively worn, or there has been a post-collision failure. Choosing this solution allows for:

• restoring drivetrain functionality at a lower cost than a new component,
• maintaining the original gear ratio without altering the gearbox software or assistance systems,
• preserving the factory driving feel, including throttle response and drivetrain refinement.

For workshops and private users, this represents a technically correct and economical solution to rear axle issues in the Mercedes W205.

Category Differentials - Mercedes Diffs and Selecting the Right Component

When selecting a differential for a Mercedes, it is crucial to match the gear ratio, vehicle placement, fuel type, and transmission type. For the W205 with rear-wheel drive and an automatic transmission, correctly selecting a component from the Differentials - Diffs category helps avoid drivetrain operational problems, electronic errors, and incorrect driving characteristics. If you need other differentials for this brand, check the available Mercedes Differentials - Diffs to select a component compatible with your specific vehicle configuration.

Technical Support for Selecting Gear Ratio and Drive Axle

Choosing the correct differential gear ratio directly impacts driving style, fuel consumption, and driving comfort. To better understand the relationships between the axle ratio, engine characteristics, and automatic transmission, it is advisable to consult specialized literature. A detailed discussion can be found in the article Used Drive Axles and Differentials – How to Choose Gear Ratios for Your Driving Style, which describes practical examples, definitions, and common questions related to differential replacement.