Zimmermann 400.5543.20 Disc Brake Rotor - Rear, Rear Left or Rear Right

Zimmermann Disc Brake Rotor for Mercedes-Benz A35 AMG, A220, A250

The Zimmermann 400.5543.20 disc brake rotor is engineered for reliable braking performance on select Mercedes-Benz models. Designed as a solid brake disc with precise dimensions, this rotor ensures consistent stopping power and durability for the A35 AMG, A220, and A250 vehicles.

• Compatible with Mercedes-Benz A35 AMG, A220, and A250 models
• Solid brake disc type with a coated surface for corrosion resistance
• Outer diameter of 295 mm and thickness of 12 mm
• Bolt hole circle diameter of 112 mm with 6 holes arranged in a 5 pattern
• Hub bore diameter of 67 mm and rotor height of 44 mm
• Minimum thickness specification of 10.3 mm for safe operation
• ECE R90 approved inspection tag ensuring compliance with safety standards
• Weight of 4.50 kg for balanced performance

Technical Details and Design Features

The Zimmermann 400.5543.20 disc brake rotor is a solid type rotor designed to meet the exact specifications required by Mercedes-Benz for the A35 AMG, A220, and A250 models. Its 295 mm outer diameter and 12 mm thickness provide a robust braking surface, while the 44 mm height and 67 mm hub bore ensure proper fitment and alignment. The rotor features a 112 mm bolt hole circle with a 6/5 hole arrangement, facilitating secure mounting. The coated surface helps protect against rust and corrosion, extending the rotor's service life. Additionally, the rotor meets ECE R90 standards, confirming its quality and safety compliance.

Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation or noise
• Restores braking efficiency on Mercedes-Benz A35 AMG, A220, and A250 models
• Addresses rotor thickness below minimum safety limits
• Improves braking consistency and pedal feel
• Prevents corrosion-related rotor damage with coated surface

Installation Notes and Tips

Ensure the rotor is compatible with your specific Mercedes-Benz model and verify the part number 400.5543.20 before installation. Clean the hub surface to remove rust or debris for proper rotor seating. Use appropriate torque specifications for the 6-bolt mounting pattern with a 112 mm bolt circle diameter. Check the rotor thickness before installation to confirm it meets or exceeds the minimum thickness of 10.3 mm. Follow manufacturer guidelines for brake system maintenance and bedding procedures after installation.

Quality Assurance and Compliance

The Zimmermann 400.5543.20 disc brake rotor carries an ECE R90 approved inspection tag, ensuring it meets stringent European safety and performance standards. Manufactured with precision and coated for corrosion resistance, this rotor provides reliable braking performance for Mercedes-Benz A35 AMG, A220, and A250 vehicles. While no specific warranty information is provided, Zimmermann products are known for adherence to quality manufacturing processes.