Centric 121.35197 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Mercedes-Benz GLE and GLS Models

The Centric C-TEK Standard Disc Brake Rotor 121.35197 is engineered to meet the braking demands of Mercedes-Benz vehicles including the GLE53 AMG, GLE63 AMG S, GLE350, GLE450, GLE580, GLS450, GLS580, and Maybach GLS600. Designed for consistent performance, this vented rotor offers smooth surface braking and precise fitment.

• Part Number: 121.35197
• Brand Line: C-TEK Standard Disc Brake Rotors
• Vented disc brake rotor with pillar vane style for effective heat dissipation
• Outside diameter: 345.2 mm (13.591 inches)
• Nominal thickness: 22.0 mm (0.866 inches); Discard thickness: 19.4 mm (0.764 inches)
• Overall height: 54.2 mm (2.134 inches)
• Center hole diameter: 67.0 mm (2.638 inches)
• Mounting bolt hole circle diameter: 112.0 mm (4.409 inches) with 5 lug holes
• Floating disc mounting and smooth surface type
• Weight: 9.15 kg (19.2 lbs)
• ABS tone ring not included

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric is designed to provide reliable, OEM-quality replacement rotors that maintain factory specifications. This product line focuses on delivering rotors with precise dimensions and vented designs to ensure proper heat management and braking performance. The 121.35197 rotor is part of this line, offering a vented, floating rotor solution tailored for Mercedes-Benz GLE and GLS series vehicles.

Product Details and Specifications

This disc brake rotor features a vented design with pillar-style vanes, which enhances airflow and cooling during braking. The rotor’s nominal thickness is 22.0 mm, with a discard thickness of 19.4 mm, indicating when replacement is necessary to maintain safe braking. The smooth surface finish ensures consistent pad contact and braking efficiency. The rotor mounts using a floating disc mounting system and fits vehicles with a 5-lug bolt pattern on a 112 mm bolt circle diameter. The center hole diameter of 67.0 mm ensures proper hub fitment. Weighing 9.15 kg, this rotor balances durability and performance without adding excessive unsprung weight.

Compatible Vehicles and Applications

• Mercedes-Benz GLE53 AMG
• Mercedes-Benz GLE63 AMG S
• Mercedes-Benz GLE350
• Mercedes-Benz GLE450
• Mercedes-Benz GLE580
• Mercedes-Benz GLS450
• Mercedes-Benz GLS580
• Mercedes-Benz Maybach GLS600

This rotor is designed for use in front or rear disc brake systems requiring vented rotors with the specified dimensions and mounting configuration.

Common Issues Addressed by This Rotor

• Brake rotor warping causing vibration during braking
• Excessive brake noise due to uneven rotor surface
• Reduced braking performance from worn or thin rotors
• Overheating and brake fade from insufficient rotor ventilation
• Corrosion or surface damage affecting rotor integrity

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 19.4 mm before installation. Clean the rotor surface to remove any protective coatings or contaminants. Verify the 5-lug bolt pattern and 112 mm bolt circle diameter match the vehicle hub. Since this rotor does not include bearings or an ABS tone ring, reuse existing components if applicable. Proper torque specifications should be followed when mounting the rotor to avoid distortion.

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. Each rotor undergoes quality inspections 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.