R1 Concepts 2311-1121-00 Disc Brake Pad Set - Front

Front Brake Pads for Mercedes-Benz Applications

R1 Concepts 2311-1121-00 is a front disc brake pad set from the R1 Semi Met Pads line. It is built for specific Mercedes-Benz models and years, including SLK300, SLK350, CLK350, SLK280, C230, C350, and C320 front brake applications.

Use this set when you need a direct-fit front brake pad replacement for select Mercedes-Benz SLK and C-Class platforms. The part number 2311-1121-00 is listed for multiple front axle fitments, with sensor requirements noted by vehicle.

Key Features

• R1 Concepts disc brake pad set for front axle service
• R1 Semi Met Pads product line
• Fits select Mercedes-Benz SLK300, SLK350, CLK350, SLK280, C230, C350, and C320 models
• Application-specific fitment by year, model, and position
• Sensor requirements vary by vehicle and are listed in the fitment notes
• Part number: 2311-1121-00

Detailed Description

R1 Concepts 2311-1121-00 is a front disc brake pad set in the R1 Semi Met Pads line, made for select Mercedes-Benz vehicles. This part covers front brake service on 2005-2011 Mercedes-Benz models, including SLK300, SLK350, CLK350, SLK280, C230, C350, and C320. The fitment notes specify sensor requirements for each application, so matching the vehicle and sensor count is important before installation. If you are replacing front pads on a Mercedes-Benz SLK300 or Mercedes-Benz C230, this part number provides a vehicle-specific option for the listed chassis.

Vehicle Fitment

• Fits 2009-2011 Mercedes-Benz SLK300, front. Requires sensors BPS-63004 (2).
• Fits 2009-2011 Mercedes-Benz SLK350, front. Requires sensors BPS-63004 (2).
• Fits 2008-2009 Mercedes-Benz CLK350, front. Requires sensors BPS-63004 (2).
• Fits 2006-2008 Mercedes-Benz SLK280, front. Requires sensor BPS-63004 (1).
• Fits 2006-2008 Mercedes-Benz SLK350, front. Requires sensor BPS-63004 (1).
• Fits 2005-2007 Mercedes-Benz C230, front. Requires sensors BPS-63004 (2).
• Fits 2006-2007 Mercedes-Benz C350, front. Requires sensors BPS-63004 (2).
• Fits 2005 Mercedes-Benz C320, front. Requires sensors BPS-63004 (2).

Common Brake Issues This Part Addresses

• Front brake pad wear on listed Mercedes-Benz models
• Squealing or noise from worn front pads
• Reduced braking performance from depleted friction material
• Brake warning light concerns tied to pad wear sensors
• Uneven front brake service intervals on the specified applications

Installation Notes and Tips

Confirm the vehicle year, model, and front axle application before ordering. Check the fitment notes for the correct wear sensor count: some applications require one BPS-63004 sensor and others require two. Inspect rotors, calipers, and sensor wiring during brake service, and replace only with the correct front-position pad set for the listed Mercedes-Benz application.

Quality Assurance

R1 Concepts identifies this part as part of its R1 Semi Met Pads line and lists exact vehicle fitment by model year and position. Part number 2311-1121-00 is cataloged for specific front brake applications to support accurate replacement selection.