Mercedes W204 W205 W212 C207 C218 Rear Differential Diff 2,65 Ratio WARRANTY

Listing details

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

Mercedes W204 W205 W212 C207 C218 Rear Differential Diff 2,65 Ratio WARRANTY is an original rear differential from the Differentials group, designed for use in selected Mercedes mid-size models. The stable 2.65 gear ratio ensures smooth, predictable drivetrain characteristics, which promotes comfortable driving and optimal engine RPM at highway speeds.

Specifications and technical data

• SKU: A2043500114
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2043500114
• Substitutable numbers: A2043500114, A 204 350 01 14, A2123504701, A 212 350 47 01, 2123504701, A2043503304, A 204 350 33 04, A2123508001, 2123508001, A2043501514, A 204 350 15 14
• Location on the vehicle: Rear
• Category: Differentials

Purpose and function of the differential

The described rear differential has been designed to operate in the Mercedes drivetrain, where it is responsible for torque distribution between the rear wheels and maintaining the correct final drive ratio. The 2.65 configuration is often chosen for vehicles focused on comfort, smooth acceleration, and lower engine RPM at higher speeds, which translates into a calmer driving experience.

Its rear-mounted position means this component works in direct connection with the driveshaft and half-shafts, and its correct selection is crucial for compatibility with the existing drivetrain and vehicle electronics.

Benefits of using an original differential

Using an original differential in a Mercedes allows you to maintain factory handling parameters and drivetrain performance. A properly selected final drive ratio affects:

• acceleration characteristics and flexibility in the mid-RPM range,
• the level of noise and vibrations transmitted to the body,
• fuel consumption at constant speeds,
• proper cooperation with automatic or manual transmissions.

A used part from dismantling is a solution that allows for economical drivetrain repair while maintaining the original design and gear geometry. In many cases, it is a cost-effective alternative to expensive regeneration or purchasing a new unit.

Gear ratio selection and vehicle compatibility

Before installing a 2.65 ratio differential, it is worth verifying compatibility with the specific engine version and transmission type of your Mercedes. Proper gear ratio selection affects:

• the accuracy of speedometer readings and the operation of assistance systems,
• perceived dynamics when starting and overtaking,
• acoustic comfort during long drives.

If you want to better understand how the drive axle ratio affects vehicle behavior and how to choose a differential for your driving style, check out the article: Dismantled drive axles and differentials – how to choose ratios for your driving style.

Application in service practice

The rear differential in a Mercedes is a particularly important component when symptoms such as whining from the rear axle area, jerking during acceleration, or noticeable play in the drivetrain occur. In such situations, replacing the complete differential with a functional used component often allows for shorter repair times compared to a full transmission rebuild.

In workshop practice, it is important to maintain structural compatibility with the original component during replacement – this applies to both the housing type and the gear ratio used. This makes it possible to maintain stable vehicle handling and proper cooperation with safety and comfort systems.

Drivetrain expansion in Mercedes

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 additional differentials, drive axles, or other final drive variants, check out the available parts in the Mercedes Differentials category.

For a broader perspective on car maintenance and planning future repairs, you can also use the practical tips described in the article: TOP 10 most frequently replaced parts in your car.