TYC 13811 Radiator - Auxiliary

TYC Auxiliary Radiator for Mercedes-Benz Cooling

TYC Radiator 13811 is an auxiliary radiator built for select Mercedes-Benz SUVs and performance models. It uses an aluminum core with a crossflow design and quick-connect inlet and outlet fittings for direct replacement in the auxiliary cooling circuit.

Compatible With Mercedes-Benz GLE400, GLE43 AMG, GLE63 AMG, GLE63 AMG S, GLS450, GLS550, GLS63 AMG, GLS350d, GL550, GL63 AMG, GLE550e, GLE450 AMG, ML63 AMG, GL450, and ML550 applications listed below.

Key Features

• Aluminum core construction for efficient heat transfer
• Crossflow flow configuration
• Quick-connect inlet and outlet connections
• Inlet and outlet diameter: 0.88 in.
• Core dimensions: 24.25 in. length, 10.07 in. height, 1.02 in. thickness
• Top and bottom header dimensions: 1.81 x 10.7
• Auxiliary radiator application for Mercedes-Benz cooling systems

Detailed Description

TYC 13811 is a replacement auxiliary radiator for Mercedes-Benz vehicles that use a separate cooling circuit. The aluminum core and crossflow layout support heat exchange in a compact package sized for the listed applications. Quick-connect inlet and outlet fittings simplify connection to the factory-style plumbing, while the specified core dimensions help match the original auxiliary radiator location.

This part cross-references Mercedes-Benz 099 500 14 03 and Partslink MB3012102 for the same application. It is a fitment-based replacement for Mercedes-Benz GLE400, GLE43 AMG, GLE63 AMG, GLE63 AMG S, GLS450, GLS550, GLS63 AMG, GLS350d, GL550, GL63 AMG, GLE550e, GLE450 AMG, ML63 AMG, GL450, and ML550 models listed in the fitment data. TYC Radiator 13811 is a practical choice when replacing a leaking, damaged, or restricted auxiliary radiator in the cooling system.

What This Radiator Helps Address

• Coolant leakage from a damaged auxiliary radiator core or tank area
• Restricted coolant flow caused by internal buildup or blockage
• Overheating concerns tied to auxiliary cooling circuit performance
• Physical damage from road debris or corrosion
• Cooling system service needs on Mercedes-Benz auxiliary radiator applications

Installation Notes and Tips

Verify the vehicle’s auxiliary radiator location, connector style, and core dimensions before installation. Confirm the part number against the original unit and inspect hoses, seals, and surrounding cooling components for wear before reconnecting the system. After installation, refill and bleed the cooling system according to Mercedes-Benz service procedures to remove trapped air.

Quality Assurance

TYC manufactures replacement cooling components for OE-style fitment and application matching. This radiator is built to align with the listed Mercedes-Benz applications and interchange references for direct replacement use.

Fitment

• Fits 2019 Mercedes-Benz GLE400, Auxiliary
• Fits 2016-2017 Mercedes-Benz GLE400, Auxiliary
• Fits 2017-2019 Mercedes-Benz GLE43 AMG, Auxiliary
• Fits 2016-2019 Mercedes-Benz GLE63 AMG, Auxiliary
• Fits 2016-2019 Mercedes-Benz GLE63 AMG S, Auxiliary
• Fits 2017-2019 Mercedes-Benz GLS450, Auxiliary
• Fits 2017-2019 Mercedes-Benz GLS550, Auxiliary
• Fits 2017-2019 Mercedes-Benz GLS63 AMG, Auxiliary
• Fits 2018 Mercedes-Benz GLE400, N/A
• Fits 2016-2018 Mercedes-Benz GLE550e, Auxiliary
• Fits 2017 Mercedes-Benz GLS350d, Auxiliary
• Fits 2013-2016 Mercedes-Benz GL550, Auxiliary
• Fits 2013-2016 Mercedes-Benz GL63 AMG, Auxiliary
• Fits 2016 Mercedes-Benz GLE450 AMG, Auxiliary
• Fits 2012-2015 Mercedes-Benz ML63 AMG, Auxiliary
• Fits 2013-2014 Mercedes-Benz GL450, Auxiliary
• Fits 2012-2014 Mercedes-Benz ML550, Auxiliary