Mercedes W220 Brake Caliper Rear Left N/S Wheel Braking Unit A0024206583

The Mercedes S‑Class W220 rear left brake caliper is an original brake system component designed for the rear axle on the driver's side. As an OEM Mercedes part, it ensures proper fitment with the hub, disc, and brake line, as well as correct integration with the factory ABS/ESP system. A used component often allows for an economical yet factory-compliant repair of the brake system in the S-Class W220 generation.

Specifications and technical data

• SKU: A0024206583
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0024206583
• Substitutable numbers: A0024206583, A 002 420 65 83
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Intended Use and Fitment for Mercedes S‑Class W220

The presented caliper is designed for installation on the rear axle, left side, of the W220 body style. Thanks to its construction adhering to factory Mercedes specifications, the part maintains the correct mounting geometry, which translates to stable pad-to-disc contact and even distribution of braking force.

Its original Mercedes origin minimizes the risk of compatibility issues, such as incorrect bolt spacing, a different brake line connector, or variations in mounting point positions relative to the steering knuckle.

Technical and Functional Characteristics

The brake caliper is responsible for converting brake fluid pressure into clamping force of the pads against the disc. In the version designed for the W220, the construction has been optimized for the weight of a luxury vehicle, ensuring stable braking even at high speeds and under load.

Key functional features:

• factory fitment for the rear left side of the vehicle,
• piston operation characteristics designed for Mercedes,
• compatibility with the stock hydraulic system and electronic braking assistance systems.

Component Condition and Application in Repairs

This is a used part, which helps reduce service costs while maintaining the original manufacturer's specifications. Such components are often chosen for:

• repairs after seized guide pins or pistons,
• mechanical damage to the caliper (e.g., after a collision),
• brake system overhauls where maintaining the original design is required.

Before installation, the standard workshop procedure is recommended: leak testing, inspection of working surfaces, and, if necessary, replacement of wear parts such as seals or rubber boots.

Benefits of Using an Original Caliper

Using an original caliper in the Mercedes S‑Class W220 helps maintain the factory braking characteristics, which is important for both safety and driving comfort. Precise fitment minimizes the risk of uneven pad wear, braking vibrations, or bleeding issues.

For users who service more than one premium brand or compare different OEM solutions, materials on selecting parts by catalog and VIN numbers can be helpful – it is worth familiarizing yourself with the article on selecting used OEM parts by number and VIN, using Audi's five-cylinder engines as an example, which discusses a practical approach to identifying compatible components.

Summary

The rear left brake caliper for the Mercedes S‑Class W220 is a sensible choice for drivers and workshops aiming to maintain the original brake system specifications at controlled repair costs. A used OEM part ensures proper fitment, predictable operation, and compatibility with factory safety systems, which is particularly crucial in luxury vehicles.