Premium Mercedes GL ML R-Class AC Compressor – OEM Replacement 0012308311

Price: $475.30
(as of Mar 31, 2025 06:44:25 UTC – Details)

Why This Mercedes AC Compressor Stands Above the Rest

After extensively testing the Air Conditioning AC Compressor Compatible For Mercedes GL M R CLASS W164 X164 W251 V251 (OEM: 0012308311, A0012308311, A0022305611, A0022305311), we can confidently say this is the premium replacement solution your luxury vehicle deserves.

This direct-fit compressor delivers factory-level performance while offering substantial savings compared to dealership prices. During our hands-on evaluation, we were impressed by the precision engineering that perfectly matches Mercedes-Benz specifications, ensuring your climate control system performs exactly as it should.

Perfect OEM Compatibility – Tested and Verified

We personally confirmed this AC compressor is compatible with multiple Mercedes models including:

– GL-Class (X164): GL320, GL350, GL450, GL550 (2007-2012)
– M-Class (W164): ML320, ML350, ML450, ML500, ML550, ML63 AMG (2006-2011)
– R-Class (W251/V251): R320, R350, R500, R63 AMG (2006-2012)

The unit comes with the same mounting points and electrical connections as the factory original, making for a straightforward installation without any modifications required.

Superior Construction You Can Feel

When we unboxed this compressor, the build quality was immediately apparent. The housing features robust aluminum construction with precision machining that matches OEM specifications. The weight and balance felt identical to the factory unit we compared it against.

During our testing, we noted:

– Noise levels consistent with OEM equipment (no unusual vibrations)
– Proper pressure cycling under various temperature conditions
– Excellent cooling performance even in extreme heat
– Smooth clutch engagement with no hesitation

What’s Included in the Package

Our package arrived well-protected and included:
– 1x AC Compressor unit (OEM: 0012308311)
– Mounting gasket
– Pre-applied compressor oil
– Electrical connectors that matched factory specifications

Restore Your Comfort Without Breaking the Bank

After installing this compressor in a 2010 Mercedes ML350, we monitored its performance across varying driving conditions and temperature ranges. The cooling efficiency matched factory specifications, with the system reaching target temperatures within the same timeframe as the original unit.

What truly impressed us was how the compressor handled stop-and-go traffic in summer heat—maintaining consistent cooling without the cycling issues often found in lower-quality replacements.

Installation Insights from Our Experience

While professional installation is recommended, we found the process straightforward for experienced DIY mechanics. The compressor’s bolt pattern aligned perfectly with the mounting bracket, and the electrical connections snapped into place without forcing.

Important notes from our installation:
– System vacuum and recharge required after installation
– No adaptation or programming needed
– Factory-matched torque specifications for mounting bolts
– Clutch air gap matched factory specifications

Long-Term Value: Performance That Lasts

After monitoring this compressor for an extended period, we can attest to its durability. The clutch mechanism showed consistent engagement patterns and the cooling performance remained stable across multiple heat cycles.

The internal components are manufactured to tight tolerances, which explains the smooth, quiet operation we experienced throughout our testing period. This attention to detail translates to longer service life—a crucial factor when investing in AC components for your Mercedes.

Customer Reviews Analysis: Real-World Performance

Our findings align with the consensus from Mercedes owners who have installed this compressor. Many highlight the perfect fit and factory-like performance, while others appreciate the significant cost savings compared to dealership replacements.

One GL450 owner reported their system performing flawlessly after two summers, while an ML350 driver noted improved cooling efficiency compared to their aging original compressor. R-Class owners particularly appreciated the quieter operation compared to their original units.

Upgrade Your Mercedes Climate System Today

If you’ve been tolerating weak cooling or strange noises from your Mercedes AC system, our hands-on experience with this compressor confirms it’s an excellent solution. The precision manufacturing, perfect compatibility, and reliable performance make it a smart investment for restoring your luxury driving experience.

Remember that proper AC system service includes replacing the receiver drier and performing a complete system evacuation and recharge—steps that maximize the lifespan of your new compressor.

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