Description
Mercedes W169 W245 Rear Brake Disc Rear is an original part from the Brake Discs group, designed for installation on the rear axle of Mercedes vehicles. A used OEM part helps maintain the factory operating parameters of the braking system, ensuring predictable vehicle behavior during daily use.
Specifications and technical data
- SKU: A0004231012
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A0004231012
- Substitutable numbers: A0004231012, A 000 423 10 12, BG
- Location on the vehicle: Rear, Right, Left
- Category: Brake Disc Rotors
Intended Use and Vehicle Placement
The disc is designed for rear axle operation, with the possibility of mounting on the right or left side. This solution simplifies component selection during rear axle servicing and allows for consistent restoration of the braking system geometry in compact Mercedes models.
Placement on the vehicle covers the rear axle, which is crucial for braking stability, especially during dynamic maneuvers and when operating with assistance systems such as ABS or ESP.
Technical and Functional Characteristics
As an OEM component, the disc works with factory-specified calipers and brake pads for the given Mercedes generation. The appropriately selected working diameter, thickness, and friction surface enable even distribution of braking forces between the front and rear of the vehicle, contributing to stable handling and predictable response to brake pedal application.
A used brake disc is a good solution when an economical repair while maintaining compliance with factory specifications is a priority. This allows for reduced service costs while maintaining compatibility with original braking system hardware.
Benefits of Using an Original Rear Disc
Using an original rear brake disc in a Mercedes W169 or W245 helps maintain the consistent operating parameters of the entire system. Proper balancing and fit to the hub minimize the risk of brake pedal vibrations and unwanted braking noises.
For the user, this means:
- more stable braking across the full speed range,
- proper cooperation with safety systems,
- easier diagnostics and servicing due to maintaining factory configuration.
Selection and Safety When Purchasing a Used Disc
When choosing a used brake disc, it is crucial to pay attention to compatibility with the specific vehicle model and the condition of the working surface. A correctly selected component from this group allows for trouble-free installation and reduces the risk of additional work on the braking system.
If you want to streamline the process of selecting aftermarket braking components and use a practical checklist, it’s worth checking out the guide: Used Braking System: How to Safely Select Discs, Calipers, and ABS?.
Expanding Mercedes Braking System Service
If you are planning a comprehensive repair or upgrade of the braking area in your Mercedes and need other parts from the same group, such as additional discs, compatible pads, or brake lines, check the available parts in the Mercedes Brake Discs category.
Summary
The Mercedes W169 W245 Rear Brake Disc Rear is a used, original part intended for the rear axle, which helps maintain the factory braking characteristics in Mercedes vehicles. Choosing such a disc is a reasonable compromise between cost and technical compliance, especially when servicing the rear axle and aiming to maintain predictable, safe braking system operation.
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