ATE SP00123 Disc Brake Rotor - Front

ATE Front Disc Brake Rotor for Mercedes-Benz SL-Class

ATE SP00123 is a front vented disc brake rotor built with high-carbon material, a full cast construction, and a rust-resistant coating. It is engineered for Mercedes-Benz SL450, SL400, and SL550 applications that call for North American OEM specifications fitment.

Key Features

• High-carbon rotor material for stable braking performance
• Vented, full cast construction for front axle use
• Rust-resistant coating helps protect the rotor surface
• Smooth, non-directional brake surface
• 320.00 mm outside diameter, 24.00 mm nominal thickness, 21.4 mm discard thickness
• 5 lug holes with 112.00 mm bolt circle diameter
• ATE part number SP00123

Detailed Description

ATE SP00123 is a premium front brake rotor developed from the same engineering approach used by one of the world’s major original equipment brake system manufacturers. The rotor uses high-carbon material and a vented, full cast design to support consistent braking characteristics under everyday driving conditions. Its smooth, non-directional surface and rust-resistant coating are selected to help maintain service life and reduce surface corrosion on exposed brake components.

This rotor measures 320.00 mm in outside diameter, 50.50 mm in overall height, and 67.00 mm at the center hole diameter. It is built with 5 stud/lug holes at a 112.00 mm circle diameter and is specified for front position use. ATE SP00123 is a direct-fit choice for Mercedes-Benz SL450, SL400, and SL550 models listed below.

This part cross-references 0004231412 and 2314230412 for the same application.

Vehicle Fitment

• Fits 2017-2020 Mercedes-Benz SL450, front. North American OEM specifications fitment, incompatible with Sport Package.
• Fits 2015-2016 Mercedes-Benz SL400, front. North American OEM specifications fitment, incompatible with Sport Package.
• Fits 2013-2016 Mercedes-Benz SL550, front. North American OEM specifications fitment, incompatible with Sport Package.

Installation Notes and Tips

Confirm rotor dimensions, hub fit, and brake package details before installation. This rotor is listed for front position use only, and the fitment notes specify North American OEM specifications fitment with Sport Package incompatibility. Inspect pads, caliper condition, and hub surfaces during service to help ensure proper brake contact and even wear.

Quality Assurance

ATE brake parts for the aftermarket are produced to a higher standard than conventional replacement parts, drawing on engineering and manufacturing experience from original equipment brake systems. ATE SP00123 reflects that OE-focused approach with premium materials and coated rotor construction.