Labwork Air Ride Suspension Compressor Assembly w/Relay for Mercedes GL450 07-12
Labwork Air Ride Suspension Compressor Assembly w/Relay for Mercedes GL450 07-12 is a direct-fit air suspension pump replacement with built-in relay, priced at $134.28. Designed for Mercedes GL450 models from 2007–2012, it restores smooth, level ride height and fixes sagging or uneven suspension issues quickly and reliably.
● In stock
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Key features
- Direct fit for W164/X164 chassis
- Includes built-in relay
- Replaces OEM 1643201204
- Compatible with Airmatic system
- Durable metal housing
- Plug-and-play installation
- Restores proper ride height
Pros
- +Saves money vs dealership parts
- +Includes relay for easier install
- +Matches OEM performance
- +Fits multiple Mercedes models
- +Reliable out-of-box operation
Cons
- −Not for non-air suspension models
- −May require system reset
- −No warranty details listed
About Labwork Air Ride Suspension Compressor Assembly w/Relay for Mercedes GL450 07-12
What is Labwork Air Ride Suspension Compressor Assembly w/Relay for Mercedes GL450 07-12?
The Labwork Air Ride Suspension Compressor Assembly w/Relay is a complete replacement unit for the factory-installed air suspension compressor on select Mercedes-Benz GL and ML-Class SUVs from 2006–2012, including the GL450. Engineered to restore proper ride height and leveling performance, this compressor integrates a built-in relay to simplify installation and ensure reliable operation. It directly replaces OEM part number 1643201204 and is designed to work seamlessly with the vehicle’s Airmatic system, maintaining ride comfort, handling, and ground clearance.
Key features
- Direct Fit Replacement — Matches OEM specifications for precise fit on W164/X164 chassis models.
- Built-in Relay — Eliminates need for external relay, reducing wiring complexity.
- OEM-Compatible — Replaces 1643201204 and related variants across GL and ML-Class models.
- Durable Construction — Built to withstand undercarriage exposure and thermal stress.
- Fast Installation — Plug-and-play design reduces labor time for DIY and professional mechanics.
- Restores Ride Height — Re-inflates air springs to correct sagging or lowering issues.
- Wide Compatibility — Fits multiple Mercedes GL and ML models from 2006–2012.
Who is Labwork Air Ride Suspension Compressor Assembly w/Relay for Mercedes GL450 07-12 for?
This compressor is ideal for Mercedes-Benz owners experiencing air suspension failure, including uneven ride height, constant compressor cycling, or system warnings. It’s suited for DIY mechanics with basic automotive tools and knowledge, as well as repair shops looking for a reliable, cost-effective alternative to dealership parts. Drivers of aging luxury SUVs who want to maintain ride quality without paying premium OEM prices will benefit most.
How does Labwork Air Ride Suspension Compressor Assembly w/Relay for Mercedes GL450 07-12 compare?
Compared to standard polypropylene air compressors, this Labwork unit includes a built-in relay for easier integration. It matches OEM functionality at a fraction of the dealer cost. Unlike basic rebuild kits, it’s a complete assembly requiring no disassembly or calibration. When stacked against universal compressors, it offers guaranteed fitment and compatibility with the Airmatic system, reducing guesswork and return rates.
Best use cases
- →Replacing failed factory compressor
- →Fixing sagging rear or front end
- →Restoring Airmatic system function
- →DIY suspension repair
- →Preventing further air spring damage
Is Labwork Air Ride Suspension Compressor Assembly w/Relay for Mercedes GL450 07-12 right for you?
Buy this if you own a 2007–2012 GL450 or compatible ML-Class with failing air suspension. Ideal for DIYers with basic tools and mechanical confidence. Ensure your air springs aren’t leaking first—replace both if needed. Alternatives include full air spring kits or dealership OEM units, which cost significantly more.
How it compares: Compared to generic compressors, this Labwork unit offers exact fitment and integrated relay. It outperforms rebuild kits by being a complete assembly and avoids compatibility issues common with universal models.
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What vehicles does this air compressor fit?
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This compressor fits 2007–2012 Mercedes GL450, 2008–2012 GL550, 2006–2011 ML350, and other W164/X164 chassis models with Airmatic suspension using OEM part 1643201204.
Does this compressor come with a relay?
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Yes, it includes a built-in relay, eliminating the need for an external one and simplifying installation compared to units that require separate relay wiring.
How do I know if my compressor is failing?
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Signs include sagging ride height, constant pump noise, 'Check Air Suspension' warnings, or failure to level after starting. A working compressor should cycle briefly and stop.
Is this an OEM part?
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No, it's an aftermarket replacement designed to meet or exceed OEM specifications for fit, form, and function, but sold at a lower price point.
Can I install this myself?
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Yes, if you have basic mechanical skills and tools. The plug-and-play design allows direct replacement, though accessing the compressor may require lifting the vehicle safely.
How much does Labwork Air Ride Suspension Compressor Assembly w/Relay for Mercedes GL450 07-12 cost?
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Labwork Air Ride Suspension Compressor Assembly w/Relay for Mercedes GL450 07-12 is $134.28 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is Labwork Air Ride Suspension Compressor Assembly w/Relay for Mercedes GL450 07-12 in stock at Lab Work Auto?
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Yes, Labwork Air Ride Suspension Compressor Assembly w/Relay for Mercedes GL450 07-12 is currently in stock at Lab Work Auto.
Specifications
- SKU
- F8-017190