Centric 125.35149 Disc Brake Rotor - Rear

Centric Rear Brake Rotor for Mercedes-Benz and INFINITI

Centric 125 Series High Carbon Alloy Disc Brake Rotors are built for rear brake service on select Mercedes-Benz and INFINITI applications. Part number 125.35149 uses a high-carbon alloy metallurgy that helps reduce brake squeal, improves resistance to cracking under repeated stops, and supports more consistent braking performance.

This rotor is a solid rear disc design with a coated hat finish, 5 bolt holes, a 295.0 mm outside diameter, and a 10.0 mm nominal thickness. The floating mounting design and smooth surface support stable rotor operation on vehicles such as the Mercedes-Benz CLA250, Mercedes-Benz GLA250, and INFINITI QX30.

Key Features

• High carbon alloy construction for improved heat and stress resistance
• Solid rear disc rotor design
• Coated hat finish to help resist oxidation
• Smooth surface type for consistent pad contact
• 5-lug fitment with 112.0 mm bolt circle diameter
• Center hole diameter: 67.1 mm
• Outside diameter: 295.0 mm
• Nominal thickness: 10.0 mm; discard thickness: 8.3 mm
• Part number 125.35149 for rear brake replacement

Product Details

Centric Premium High Carbon Alloy Disc Brake Rotors are engineered with proprietary molybdenum and chromium content to improve durability during repeated stop-and-go driving and higher-friction pad use. The added carbon content also improves oxidation resistance, which helps maintain rotor condition over time. For drivers searching for a rear brake rotor for 2014-2019 Mercedes-Benz CLA250, 2015-2020 Mercedes-Benz GLA250, or 2017-2019 INFINITI QX30, this rotor matches the listed rear solid-disc applications. This part cross-references Raybestos Brakes 981086R for the same application.

Common Brake Issues This Rotor Can Address

• Brake squeal during rear brake operation
• Rotor cracking from repeated high-heat stops
• Uneven braking feel from worn rear rotors
• Surface oxidation on exposed rotor areas
• Reduced stopping consistency from aged rear brake components

Installation Notes and Tips

Verify rear axle fitment by year, make, model, and brake configuration before installation. This rotor is listed for solid rear disc applications and uses a floating mounting type, so confirm the existing rotor matches the vehicle’s rear brake setup. Inspect pads, calipers, and hub surfaces during service to help ensure proper rotor seating and braking performance. Part number 125.35149 is also listed for Mercedes-Benz B250, Mercedes-Benz B250e, and Mercedes-Benz B Electric Drive rear applications.

Quality Assurance

Centric’s 125 Series uses an advanced high-carbon alloy formulation focused on durability, corrosion resistance, and stable braking performance in demanding use. The rotor’s metallurgy is intended to support repeat-stop conditions and reduce the likelihood of noise associated with higher-friction pad compounds.