Centric 121.35057 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Mercedes-Benz Models

The Centric C-TEK Standard Disc Brake Rotor 121.35057 is engineered to meet the braking needs of select Mercedes-Benz vehicles, including the C230, C240, C280, E300, and SLK230. Designed for consistent performance, this vented rotor offers smooth surface finishing and precise dimensions to ensure proper fit and function.

• Compatible with Mercedes-Benz C230, C240, C280, E300, and SLK230 models
• Part number 121.35057 for accurate identification
• Vented disc brake rotor with pillar vane style for improved heat dissipation
• Nominal thickness of 0.984 inches (25.000 mm) and discard thickness of 0.882 inches (22.400 mm)
• Overall height of 1.831 inches (46.500 mm) and outside diameter of 11.339 inches (288.000 mm)
• Floating disc mounting with 5 lug holes, 0.520 inches (13.200 mm) diameter each
• Smooth surface type without ABS tone ring included

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers a balance of quality and value for standard braking applications. This product line focuses on delivering rotors with precise manufacturing tolerances and reliable vented designs, such as the pillar vane style found in part number 121.35057. These rotors are engineered to meet OEM specifications for fitment and performance on various Mercedes-Benz models.

Product Details and Specifications

This Centric disc brake rotor features a vented design with pillar-style vanes to enhance cooling during braking, reducing the risk of overheating. The rotor has a nominal thickness of 0.984 inches (25.000 mm) and a discard thickness of 0.882 inches (22.400 mm), indicating when replacement is necessary to maintain safe braking performance. The overall height measures 1.831 inches (46.500 mm), and the outside diameter is 11.339 inches (288.000 mm), ensuring compatibility with the specified Mercedes-Benz vehicles. The rotor mounts using a floating disc mounting system with a 5-lug hole pattern, each hole measuring 0.520 inches (13.200 mm) in diameter, and a mounting bolt hole circle diameter of 4.409 inches (112.000 mm). The center hole diameter is 2.638 inches (67.000 mm), and the rotor weighs approximately 14 lbs (6.360 kgs). This rotor does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation or noise
• Restoring braking performance on Mercedes-Benz C230, C240, C280, E300, and SLK230
• Addressing rotor thickness below discard limits to maintain safety
• Improving heat dissipation with vented rotor design to reduce brake fade
• Ensuring proper fitment with OEM specifications for mounting and dimensions

Installation Notes and Tips

When installing the Centric C-TEK Standard Disc Brake Rotor 121.35057, ensure the rotor surface is clean and free of any contaminants before mounting. Verify the rotor thickness is above the discard thickness specification to guarantee safe operation. Use the correct torque specifications for the 5-lug mounting pattern to avoid warping. Since this rotor does not include bearings or an ABS tone ring, reuse existing components or replace separately as needed. Proper bedding-in of the new rotor and brake pads is recommended to optimize braking performance.

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes strict quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Refer to Centric's official documentation for complete warranty information.