Mercedes Suspension Air Compressor - Genuine Mercedes 2123200404

Product Information

Mercedes-Benz Air Suspension diagram for CLS63 AMG S, E63 AMG S, CLS63 AMG, CLS550, CLS400, & more

An air suspension compressor is an electric or engine-driven pump that supplies pressurized air to a vehicle’s air suspension system. It fills the air springs or struts to maintain proper ride height, adjust suspension stiffness, and ensure comfort and handling balance. The compressor works in coordination with sensors and valves to regulate pressure. Over time, it can wear out from constant use, air leaks, or electrical issues.

• Vehicle sagging – one or more corners of the vehicle sit lower due to insufficient air pressure.
• Noisy or overworking compressor – runs constantly, makes loud humming or grinding noises, or fails to shut off.
• Complete suspension failure – compressor does not activate, leading to loss of ride height adjustment and rough ride quality.

About Genuine Mercedes

The original parts used by Mercedes Benz to build your car are available as replacement parts under the “Genuine Mercedes Benz” brand. Manufactured under the direction of Mercedes Benz, expect excellent quality and a premium price since these parts are exclusively available through the Mercedes Benz Dealership network.

You may not realize this, but the parts that make up your Mercedes-Benz are not necessarily manufactured by Mercedes-Benz. No cause for concern, as Mercedes-Benz designs the part, hires a manufacturer, and ensures its quality to you. In fact, many of these manufacturers have been making parts for Mercedes-Benz for decades. In our industry these manufacturers are called OEM (Original Equipment Manufacturers), and these are often brands you recognize, including Lemforder, ZF, Sachs, Bosch, Valeo, Zimmermann, Siemens VDO, Corteco, and more. Don’t be surprised to open that Genuine Mercedes-Benz parts box and find an OEM branded part inside, simply with the addition of a Mercedes-Benz logo.

Be sure to keep an eye out for OE tags on our product pages to quickly identify parts coming direct from OE manufacturers. That extra bit of insight could save you some serious money while shopping! Refer to our OE Academy for further information regarding the OE/OEM tags throughout the site.