Mercedes C CLK W203 CL203 C209 Rear Differential Diff 3,27 Ratio WARRANTY

Mercedes C CLK W203 CL203 C209 Rear Differential Diff 3,27 Ratio WARRANTY is an original drivetrain component designed for installation on the vehicle's rear axle. It ensures precise torque transmission to the wheels, which translates into stable handling and predictable vehicle behavior. By maintaining the factory gear ratio specification of 3,27, the differential allows for the preservation of proper drivetrain performance parameters and the driving comfort typical of Mercedes models.

Specifications and technical data

• SKU: A1713500414
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1713500414
• Substitutable numbers: A1713500414, A 171 350 04 14, A2093503100, A 209 350 31 00, A2033510605, A 203 351 06 05, A1713502000, A171 350 20 00
• Location on the vehicle: Rear
• Category: Additional Differential Parts

Purpose and function in the drivetrain

The presented rear differential is a component responsible for distributing power to the rear wheels and maintaining the correct gear ratio between the driveshaft and the wheel hubs. The applied 3,27 ratio is matched to the characteristics of the engines and transmissions in Mercedes models, which helps maintain factory acceleration, engine RPM during highway driving, and overall drivetrain refinement.

Its placement on the rear axle means the differential works in direct connection with the suspension and half-shafts, which is why its correct selection is crucial for the durability of the entire drivetrain and driving comfort. Replacing a worn-out differential with a functional unit with the matching ratio is essential when experiencing symptoms such as noise from the rear of the vehicle, jerking when starting, or uneven power delivery.

Compatibility and interchangeable part numbers

The differential has been designed as an original part for the Mercedes brand, adhering to the manufacturer's quality standards. It has an assigned OEM part number and a set of interchangeable numbers, which facilitates precise identification and selection for a specific body, engine, and transmission version. Thanks to this, it can be safely used as a replacement in vehicles originally equipped with this type of rear differential.

Before purchasing, it is worth comparing the markings with service documentation or using VIN verification to ensure full compatibility with your specific car. Using the correct differential minimizes the risk of improper drivetrain operation and reduces the need for additional installation modifications.

Performance characteristics and advantages

The rear differential with a 3,27 ratio allows for a balanced compromise between acceleration dynamics and fuel economy. In practice, this means:

• stable torque transmission to the rear wheels,
• predictable vehicle behavior during acceleration and engine braking,
• maintenance of factory drivetrain performance characteristics without interfering with control electronics,
• the ability to utilize the existing transmission and half-shaft configuration.

As an item from the Other differential parts group, the product is suitable both for standard replacement of a worn component and for post-accident repairs, where it is necessary to restore the original geometry and parameters of the drivetrain.

Condition, origin, and practical application

The offered differential is a used part, which allows for economical repair while maintaining the manufacturer's original design. This type of solution is particularly beneficial for older vehicle generations, where the availability of new parts may be limited or economically unjustified. Choosing an original rear differential from dismantling often ensures a better fit than universal replacements.

During installation, standard service procedures are recommended, such as checking mounts, verifying the condition of the half-shafts, and changing the differential oil according to the manufacturer's recommendations. A correctly selected and installed rear differential restores proper drivetrain operation, reduces noise, and increases driving comfort in daily use.

Repair expansion and downtime optimization

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 differential housings, mounting hardware, or additional final drive components, check the available parts in the Other Mercedes differential parts category.

To limit vehicle downtime in the workshop and plan the rear differential replacement more efficiently, it is worth checking out the guide describing the benefits of using a wide assortment from a single warehouse – details can be found in the article No more waiting for weeks – how a wide assortment in one warehouse actually shortens your car's downtime at the mechanic?.