MachineU > China Products > Tools & Hardware > Valve > Valve Parts > Other Valve Parts
2123200358 Mercedes-Benz S Class W221 Air Suspension Valve Block
2123200358 Mercedes-Benz S Class W221 Air Suspension Valve Block
2123200358 Mercedes-Benz S Class W221 Air Suspension Valve Block
2123200358 Mercedes-Benz S Class W221 Air Suspension Valve Block
Specifications
Certification :
ISO 9001
Installation Location :
Near the Compressor or Front Axle Area
Supply Ability :
5000 Sets/month
Payment Terms :
D/A,D/P,T/T,Western Union
Included Components :
Valve Body Assembly, O-ring Seals
Delivery Time :
3-15days
Brand Name :
FHD
Compatible System :
Mercedes-Benz AIRmatic Air Suspension
Price :
Negotiable
Packaging Details :
Carton
Port Type :
Push-to-Connect / Threaded
Place of Origin :
China
Installation Type :
Direct Replacement
MOQ :
1 pc
Number of Ports :
6 (1 inlet, 4 outlets, 1 accumulator port)
Description
2123200358 Mercedes-Benz S Class W221 Air Suspension Valve Block
Product Overview
The 2123200358 is an air suspension valve block (also known as an Airmatic solenoid valve distribution block) developed specifically for the Mercedes-Benz S-Class W221 and multiple same-platform models. This component is a critical control unit within the AIRmatic air suspension system, responsible for distributing high-pressure air generated by the compressor to each individual wheel's air spring as required.
Through independent pressure regulation of all four wheels, it maintains the standard ride height and driving stability. The valve block incorporates multiple solenoid valves, precisely controlled by the suspension control unit (ECU) based on signals from the ride height sensors.
Technical Specifications
Parameter Specification
Product Name Air Suspension Solenoid Valve Block / Distribution Block
Compatible System Mercedes-Benz AIRmatic Air Suspension
Installation Location Near the Compressor or Front Axle Area
Installation Type Direct Replacement
Number of Ports 6 (1 inlet, 4 outlets, 1 accumulator port)
Port Type Push-to-Connect / Threaded
Feature Colour-coded ports for correct installation
Included Components Valve Body Assembly, O-ring Seals
Compatible Vehicle Models
Model Chassis Code Model Years
S-Class W221 / W222 2007-2016
CL-Class C216 2007-2014
E-Class W212 / S212 2009-2016
ML-Class W164 / W166 2006-2015
GL-Class X164 / X166 2007-2016
GLE-Class W166 2016-2019
GLS-Class X166 2017-2019
R-Class W251 2006-2013
CLS-Class X218 2012-2018
Coverage: Includes 4MATIC all-wheel drive, AMG high-performance versions and hybrid models. Please verify with the actual vehicle for specific year and configuration compatibility.
Replacement OE Part Numbers
Number Type Part Number
Primary OE Number 2123200358
Primary OE Number 2513200058
Full Mercedes Format A 212 320 03 58 / A 251 320 00 58
Associated OE Number 1663200204
Associated OE Number 2123200658
Associated OE Number 2123200158
Product Features
  • Independent Four-Wheel Air Distribution: The valve block independently controls inflation and deflation of each air spring via internal solenoid valves, enabling precise vehicle posture adjustment and automatic level control.
  • Integrated Pressure Sensor: The valve block incorporates the air suspension system's pressure sensor, which monitors system pressure and feeds signals back to the ECU, influencing the compressor's start and stop control logic.
  • Optimised Sealing Design: Features upgraded PTFE support rings and specially coated O-ring seals that effectively resist vibration and chemical corrosion, reducing the risk of air leaks and preventing moisture and contaminants from entering the solenoid valve assembly.
  • Plug-and-Play Replacement: Manufactured to strict OE specifications with an identical port layout to the original component, enabling direct replacement without any modifications or adapters.
Warehouse & Workshop
Keep dry, clean and handle with care.
2123200358 Mercedes-Benz S Class W221 Air Suspension Valve Block
Global Exhibitions
Think Global, Act Local. Proven Worldwide.
2123200358 Mercedes-Benz S Class W221 Air Suspension Valve Block
Frequently Asked Questions
Question Answer
Q1: How can I tell if the valve block is faulty rather than an air spring leaking? A typical sign of valve block failure is one or more corners of the vehicle sitting too low and failing to raise, which is similar to air spring leak symptoms. A diagnostic method is to swap the airline from the low corner with the airline from a normal corner on the valve block. If the problem transfers to the other side, the valve block is faulty; if the problem remains on the same side, the air spring is likely leaking.
Q2: Should I replace the valve block at the same time as the compressor? When the compressor fails due to wear and age, fine metallic debris from the wear process can circulate through the air system and enter the valve block, causing solenoid valves to stick or seals to become damaged. Therefore, if the compressor has been severely damaged, it is strongly recommended to replace the valve block simultaneously to prevent the new compressor from prematurely failing again due to blockages in the valve block.
Q3: How do I correctly connect the ports on the valve block? This valve block features colour-coded ports - different coloured ports correspond to different connection points (compressor, each wheel air spring, accumulator tank), which helps prevent incorrect hose routing during installation. Simply match the colours to the original vehicle's lines to complete the correct connection.
Send your message to this supplier
Send Now

2123200358 Mercedes-Benz S Class W221 Air Suspension Valve Block

Ask Latest Price
Watch Video
Product Detail
Certification :
ISO 9001
Installation Location :
Near the Compressor or Front Axle Area
Supply Ability :
5000 Sets/month
Payment Terms :
D/A,D/P,T/T,Western Union
Included Components :
Valve Body Assembly, O-ring Seals
Delivery Time :
3-15days
Contact Supplier
video
2123200358 Mercedes-Benz S Class W221 Air Suspension Valve Block
2123200358 Mercedes-Benz S Class W221 Air Suspension Valve Block

Guangzhou Fenghui Automotive Parts Co., Ltd.

Verified Supplier
1 Years
guangdong, guangzhou
Since 2017
Business Type :
Manufacturer
Main Products :
Mercedes Benz Air Suspension, BMW Air Suspension, VW Air Suspension
Total Annual :
5000000-10000000
Employee Number :
50~100
Certification Level :
Verified Supplier
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products Air Suspension Valve
MachineU China Products Tools & Hardware Valve Valve Parts Other Valve Parts
Contact Supplier
Submit Requirement