Centric 121.35109 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.35109

The Centric C-TEK Standard Disc Brake Rotor 121.35109 is engineered for reliable braking performance on select Mercedes-Benz models. Designed specifically for vehicles like the C180, C200, C250, C280, C300, and E200, this vented rotor offers consistent stopping power and durability.

• Compatible with Mercedes-Benz C180, C200, C250, C280, C300, and E200 models
• Part number 121.35109 ensures precise fitment
• Vented disc design with curved vanes for improved heat dissipation
• Nominal thickness of 27.9 mm and discard thickness of 25.4 mm
• Overall height of 64.5 mm and outside diameter of 295 mm
• Floating disc mounting and smooth surface type
• Five stud/lug holes with 112 mm bolt circle diameter
• Does not include ABS tone ring or bearings

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric focuses on delivering dependable, OE-quality replacement rotors. These rotors are designed to meet or exceed original equipment specifications, providing consistent braking performance and durability. The 121.35109 rotor is part of this line, offering a vented design with curved vanes to enhance cooling and reduce brake fade under normal driving conditions.

Detailed Product Description

This Centric disc brake rotor features a vented design with curved vanes that promote efficient airflow and heat dissipation, helping to maintain optimal braking performance. The rotor has a nominal thickness of 27.9 mm and a discard thickness of 25.4 mm, indicating when replacement is necessary to maintain safety. With an overall height of 64.5 mm and an outside diameter of 295 mm, it fits securely on the hub with a floating disc mounting system. The smooth surface type ensures even pad contact and wear. The rotor includes five stud/lug holes with a 112 mm bolt circle diameter, matching the specifications for compatible Mercedes-Benz models. Note that 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
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Resolving noise or vibration issues related to rotor surface irregularities
• Upgrading to a vented rotor for improved heat management in daily driving
• Ensuring proper fitment and compatibility with Mercedes-Benz C and E-Class models

Installation Notes and Tips

When installing the Centric C-TEK Standard Disc Brake Rotor 121.35109, ensure the rotor surface is clean and free of any contaminants. Verify the rotor thickness before installation to confirm it meets nominal specifications. Use proper torque settings on the five lug nuts to secure the rotor firmly. Since this rotor does not include bearings or an ABS tone ring, reuse existing components or replace separately if necessary. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details for part number 121.35109 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.