Centric 121.35029 Disc Brake Rotor - Front Left

Reliable Disc Brake Rotor for Mercedes-Benz E500 and SL Models

The Centric C-TEK Standard Disc Brake Rotor 121.35029 is engineered to meet the braking demands of Mercedes-Benz E500, SL500, and SL600 vehicles. Designed with precision, this vented rotor ensures consistent performance and durability under various driving conditions.

• Vented disc brake rotor with curved vane style for efficient heat dissipation
• Nominal thickness of 1.181 inches (30.000 mm) and discard thickness of 1.102 inches (28.000 mm)
• Overall height measures 2.008 inches (51.000 mm) for proper fitment
• Outside diameter of 12.598 inches (320.000 mm) compatible with specified Mercedes-Benz models
• Floating disc mounting with 5 lug holes and 4.409 inch (112.000 mm) bolt circle diameter
• Smooth surface type for consistent brake pad contact
• Center hole diameter of 2.638 inches (67.000 mm) for accurate hub alignment
• Weight approximately 21.49 lbs (9.77 kgs) ensuring balanced rotor mass

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers a range of rotors designed to meet OEM specifications for standard braking applications. This product line focuses on delivering reliable stopping power with rotors that feature vented designs and smooth surfaces to maintain consistent brake pad engagement. The 121.35029 rotor is part of this line, providing a balance of performance and durability tailored for Mercedes-Benz E500, SL500, and SL600 models.

Technical Details and Specifications

This disc brake rotor features a vented design with curved vanes that promote effective heat dissipation, reducing the risk of brake fade during extended use. The rotor’s nominal thickness is 1.181 inches (30.000 mm), with a discard thickness of 1.102 inches (28.000 mm), indicating when replacement is necessary to maintain safe braking performance. The overall height of 2.008 inches (51.000 mm) and outside diameter of 12.598 inches (320.000 mm) ensure proper fitment and compatibility with the specified Mercedes-Benz models. The rotor mounts using a floating disc mounting system with five lug holes sized at 0.575 inches (14.600 mm) diameter and a bolt circle diameter of 4.409 inches (112.000 mm). The smooth surface type supports consistent brake pad contact without additional machining.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mercedes-Benz E500, SL500, and SL600
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves heat management to reduce brake fade during heavy braking
• Restores proper rotor thickness for safe braking performance
• Compatible upgrade for rotors showing signs of cracking or scoring

Installation Notes and Tips

Ensure the rotor surface is clean and free of rust or debris before installation. Verify the rotor thickness is above the discard thickness specification of 1.102 inches (28.000 mm) to maintain safety standards. Use proper torque specifications for the 5 lug bolts and confirm the floating disc mounting is correctly aligned. This rotor does not include bearings or an ABS tone ring, so verify compatibility with your vehicle’s existing components.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for complete warranty information.