AIRSUSFAT air suspension compressor pump for Mercedes S‑Class W221 / ML W166 — OE-fit, 100% tested (2213201604)

AIRSUSFAT air suspension compressor pump restores proper ride height and air supply for compatible Mercedes-Benz S‑Class, CL‑Class, ML and GL models.

This replacement compressor is engineered to match original-equipment fit and function for a wide range of Mercedes-Benz vehicles, including W221 S‑Class (2005–2013), C216 CL‑Class (2006–2013) and W166/X166 ML/GL SUVs (2012–2015). It ships fully tested and includes the common OEM part numbers used by Mercedes, making it straightforward for mechanics and experienced DIYers to verify fitment before installation. The module delivers reliable air pressure to the vehicle's air springs so the system can maintain ride height and compensate for load changes.

Which Mercedes models and part numbers is this compressor compatible with?

This unit fits numerous Mercedes-Benz models across sedans, coupes and SUVs when matched to the listed OEM numbers. Always compare the part numbers and connector shapes on your original unit prior to ordering to ensure correct compatibility.

• Compatible sedans/coupes: S‑Class W221 (2005–2013) and CL‑Class C216 (2006–2013).
• SUV coverage: ML/GL class W166 and X166 (model years roughly 2012–2015).
• Common OEM references: 2213201604, 2213200704, 2213200904, 2213200304, A1663200104, A1663200204, 1663200104, 1663200204.
• Check vehicle VIN and existing pump label to match part numbers before purchase.

How hard is installation and what should I expect during replacement?

Installation is typically straightforward for a trained technician and is manageable for experienced DIYers with basic tools. The compressor mounts near the air reservoir and connects to the vehicle harness and air lines; ensure all electrical connectors and air fittings are clean and secure.

• Disconnect the battery before starting to avoid electrical faults.
• Drain or depressurize the air system per service manual instructions.
• Swap the pump, reattach electrical and pneumatic connections, then test for leaks and correct operation.
• Allow the system to cycle and confirm ride height sensors read within specification.

What performance and quality assurances come with this AIRSUSFAT unit?

Each compressor undergoes testing before shipment to ensure it supplies adequate pressure and electrical reliability consistent with OE expectations. The design mirrors OEM mounting points and connector types so the unit integrates with factory air suspension controls and sensors.

• Pre-shipment 100% functional test for pump operation.
• OEM-standard form factor to simplify replacement.
• Durable materials and sealed electrical interfaces to reduce moisture ingress.
• Sold with clear part-number references to minimize ordering errors.

What maintenance or checks should I do after installing the new pump?

After installation, verify the entire air system for leaks and confirm the vehicle attains correct ride height under normal load. Periodic visual checks of air lines and mounting hardware help extend service life of the compressor and air suspension components.

• Listen for unusual noise or continuous running which may indicate leaks.
• Inspect air lines and fittings for cracks, abrasion or loose clamps.
• Confirm voltage at the connector and proper cycling frequency of the pump.

Who this is for: This AIRSUSFAT compressor pump is intended for owners and technicians working on Mercedes-Benz S‑Class (W221), CL‑Class (C216) and ML/GL (W166/X166) models who need a tested, OE-form replacement. It’s suitable for garages performing suspension repairs, enthusiasts performing honest DIY swaps, and fleet managers maintaining multiple Mercedes vehicles — provided the buyer verifies part numbers and vehicle compatibility before ordering.