Arnott P-3723 Air Suspension Compressor

Mercedes-Benz Air Suspension Compressor

Restore proper air suspension performance with Arnott P-3723, a brand new AMK-built compressor for Mercedes-Benz GL/GLS-Class and ML/GLE-Class applications. This direct replacement air suspension compressor is engineered for 12V systems and includes a dryer and relay for a complete service-focused assembly.

Arnott’s AMK product line is built around OE-style replacement components for Mercedes-Benz air suspension systems. For drivers servicing a Mercedes-Benz GLE compressor or Mercedes-Benz GL compressor application, this line focuses on compact packaging, efficient operation, and reliable pressure delivery.

• Brand: Arnott
• Brand line: Arnott - Air Suspension Compressor - AMK
• Part number: P-3723
• New compressor assembly, not remanufactured
• 12V electrical system
• Dryer included
• Relay included
• Black finish
• 3 mounting holes
• Direct replacement for OE Mercedes-Benz compressor applications

Fitment and Application

Compatible with Mercedes-Benz GL/GLS-Class and ML/GLE-Class air suspension systems across 2012-2020 model years. Fits 2013-2016 Mercedes-Benz GL350, N/A; Fits 2013-2016 Mercedes-Benz GL450, N/A; Fits 2013-2016 Mercedes-Benz GL550, N/A; Fits 2013-2016 Mercedes-Benz GL63 AMG, N/A; Fits 2013-2015 Mercedes-Benz GL500, N/A; Fits 2012-2015 Mercedes-Benz ML350, N/A; Fits 2012-2015 Mercedes-Benz ML500, N/A; Fits 2012-2015 Mercedes-Benz ML550, N/A; Fits 2012-2015 Mercedes-Benz ML63 AMG, N/A; Fits 2015 Mercedes-Benz ML250, N/A; Fits 2015 Mercedes-Benz ML400, N/A; Fits 2016 Mercedes-Benz GLE350d, N/A; Fits 2016-2017 Mercedes-Benz GLE300d, N/A; Fits 2016-2017 Mercedes-Benz GLE450 AMG, N/A; Fits 2016-2018 Mercedes-Benz GLE550, N/A; Fits 2016-2018 Mercedes-Benz GLE550e, N/A; Fits 2016-2019 Mercedes-Benz GLE350, N/A; Fits 2016-2019 Mercedes-Benz GLE400, N/A; Fits 2016-2019 Mercedes-Benz GLE500, N/A; Fits 2016-2019 Mercedes-Benz GLE63 AMG, N/A; Fits 2016-2019 Mercedes-Benz GLE63 AMG S, N/A; Fits 2017-2019 Mercedes-Benz GLS450, N/A; Fits 2017-2019 Mercedes-Benz GLS550, N/A; Fits 2017-2019 Mercedes-Benz GLS63 AMG, N/A; Fits 2017 Mercedes-Benz GLS350d, N/A; Fits 2017 Mercedes-Benz GLS500, N/A; Fits 2018-2019 Mercedes-Benz GLE500e, N/A; Fits 2019 Mercedes-Benz GLE450, N/A; Fits 2019 Mercedes-Benz GLS500, N/A; Fits 2020 Mercedes-Benz GLE43 AMG, N/A; Fits 2020 Mercedes-Benz GLE63 AMG, N/A.

This part cross-references Mercedes-Benz OE numbers 1663200104 and 1663200204 for the same application.

What This Compressor Helps Address

• Slow or failed air suspension pressure buildup
• Vehicle sagging after shutdown or overnight parking
• Compressor noise from a worn OE unit
• Warning lights related to suspension pressure or compressor operation
• Uneven ride height on GL, GLS, ML, and GLE models

Installation Notes

Verify the OE part number and connector layout before installation. Inspect the air lines, relay circuit, and suspension leaks before replacing the compressor so the new unit is not overloaded by a system fault. This assembly includes a dryer and relay; mounting hardware is not included.

Quality Assurance

This Arnott compressor is a new AMK-produced replacement built to match the original Mercedes-Benz compressor application. It is intended for direct OE-style service on Mercedes-Benz GL/GLS-Class and ML/GLE-Class air suspension systems.