Mercedes ML 350 W163 M112 Rear Axle Differential Diff 3.70 A1633500514 WARRANTY

Listing details

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

Mercedes ML 350 W163 M112 Rear Axle Differential Diff 3.70 is an original drivetrain component from the Differentials category, designed for installation on the rear axle. This used differential ensures factory-standard performance of the drive axle, maintaining the correct gear ratio and stable vehicle handling in typical road conditions. It is a solution for users who expect a proven design and compliance with Mercedes factory specifications.

Specifications and technical data

• SKU: A1633500514
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1633500514
• Substitutable numbers: A1633500514, A 163 350 05 14
• Location on the vehicle: Rear
• Part type: Differential & Housing Assembly
• Category: Differentials

Purpose and function of the differential

The described rear differential is responsible for distributing torque to the wheels of the driven axle and compensating for the difference in rotational speed when cornering. A properly selected gear ratio translates into predictable vehicle behavior, correct acceleration dynamics, and comfortable drivetrain operation in daily use.

Its location at the rear of the vehicle allows for direct integration with the driveshaft and half-shafts, which is crucial for maintaining the integrity of the entire system. This allows the differential to operate stably both during calm driving and under higher loads, such as when towing or driving with a full load.

Benefits of using an original differential

Using an original differential in a Mercedes allows you to maintain factory handling parameters and drivetrain refinement. In practice, this means:

• consistent operation with other drivetrain components,
• appropriate acceleration and engine braking characteristics,
• reduction of unwanted vibrations and noise resulting from mismatched gear ratios,
• maintenance of predictable traction on the rear axle.

A used component of this type is often chosen for drive axle repairs as an economical solution that is also technically matched to the specific model. By maintaining the correct gear ratio, you can avoid issues with transmission operation, driver assistance systems, and stability control systems.

Gear ratio selection and vehicle compatibility

When replacing a differential, it is crucial to match the gear ratio to the drivetrain configuration and engine characteristics. Proper selection affects:

• accurate speedometer readings,
• appropriate engine RPM at a constant speed,
• absence of overloads in the drivetrain,
• stable operation of electronic systems linked to the drivetrain.

If you want to better understand how the differential gear ratio affects vehicle behavior and how to choose a drive axle for your driving style, it is worth consulting a specialist guide. You can find practical tips in the article Dismantled drive axles and differentials – how to choose gear ratios for your driving style, which discusses definitions, configuration examples, and the most frequently asked questions from drivers.

Characteristics of the used component

A used differential is a solution that allows you to reduce repair costs while maintaining the manufacturer's original design. Such components typically come from vehicle dismantling and are chosen by mechanics in situations where regenerating the existing subassembly is uneconomical or technically difficult. A properly selected used differential can provide long-term and stable operation, provided it is installed correctly and the appropriate gear oil is used.

During installation, it is recommended to pay attention to the condition of the mounts, seals, and mating half-shafts to avoid leaks and excessive play. A correctly performed replacement allows you to restore the proper functioning of the rear-wheel drive without interfering with other system components.

Expansion and modernization of the drivetrain

If you are planning a comprehensive repair or modernization of the drivetrain in your Mercedes and need other elements from the same group, such as additional differentials, drive axles, or related transmission subassemblies, check out the available parts in the Mercedes Differentials category.

For larger modernization projects – such as changing the drivetrain characteristics, adapting the car to specific usage conditions, or rebuilding a vehicle after significant damage – it is worth planning the choice of the differential together with a mechanic. This ensures the consistency of the entire system and helps avoid subsequent compatibility issues.