{"product_id":"landnovo-airmatic-compressor-pump-1643201204-mercedes-w164-x164","title":"LANDNOVO Airmatic Air Suspension Compressor Pump 1643201204 for Mercedes-Benz ML-Class W164 \u0026 GL-Class X164 (2005-2012) | Heavy-Duty OE Replacement","description":"\u003cdiv class=\"landnovo-product-detail\"\u003e\n  \u003cp\u003eEliminate overnight chassis dropping, slow leveling adjustment, and \"Airmatic Visit Workshop\" cluster warnings with the \u003cstrong\u003eLANDNOVO Heavy-Duty Airmatic Air Suspension Compressor Pump (Part No. 1643201204 \/ A1643201204)\u003c\/strong\u003e. Engineered specifically for the full-size \u003cstrong\u003eMercedes-Benz ML-Class (W164) and GL-Class (X164)\u003c\/strong\u003e luxury SUV platforms, this high-output 12V pneumatic compressor restores dynamic vehicle stance, ride stability, and factory comfort at an accessible workshop-direct price.\u003c\/p\u003e\n\n  \u003ch3\u003eKey Features \u0026amp; Engineering Upgrades\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDirect 1:1 OE Drop-In Fitment:\u003c\/strong\u003e Fabricated strictly to Mercedes-Benz factory dimensions, bracket mount points, push-in airline ports, and multi-pin electrical harness connectors. 100% plug-and-play with zero rewiring or bracket modifications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUpgraded Thermal Overload Protection:\u003c\/strong\u003e Integrated internal thermal switch and wear-resistant PTFE piston rings prevent motor burnout caused by overloaded or leaking suspension air springs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWhisper-Quiet Balanced Armature:\u003c\/strong\u003e Dynamic-balanced motor core with heavy-duty rubber vibration dampeners isolates operating noise and prevents harsh buzzing resonance inside the passenger cabin.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Housing \u0026amp; Desiccant Filter:\u003c\/strong\u003e Heavy-duty sealed casing resists underbody road spray and road salt, while the premium desiccant dryer prevents internal moisture contamination and valve freezing.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eOEM Cross-Reference Part Numbers\u003c\/h3\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse; margin: 15px 0;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n        \u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left; width: 30%;\"\u003eOEM Part Numbers\u003c\/th\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\n          1643201204, A1643201204, 1643200204, A1643200204, 1643200304, A1643200304, 1643200504, A1643200504, 1643200904, A1643200904\n        \u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eSystem Type\u003c\/th\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eMercedes-Benz Airmatic Pneumatic Leveling System\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n        \u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eOperating Voltage\u003c\/th\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e12V DC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eMounting Location\u003c\/th\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFront Left Wheel Arch \/ Undercarriage Frame\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eVehicle Fitment Guide\u003c\/h3\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse; margin: 15px 0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background-color: #0f172a; color: #ffffff;\"\u003e\n        \u003cth style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\"\u003eModel Years\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\"\u003eMake\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\"\u003eModel \u0026amp; Chassis\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\"\u003eTrim \u0026amp; Engine Spec\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2005 – 2011\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eMercedes-Benz\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eML-Class (W164)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eML320, ML350, ML450, ML500, ML550, ML63 AMG (with Airmatic)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2006 – 2012\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eMercedes-Benz\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eGL-Class (X164)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eGL320, GL350, GL450, GL550 (4Matic with Airmatic)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eWorkshop Diagnostic \u0026amp; Installation Advisory\u003c\/h3\u003e\n  \u003cp style=\"background: #fdf6e2; border-left: 4px solid #f59e0b; padding: 12px; font-size: 14px; margin: 15px 0;\"\u003e\n    \u003cstrong\u003eTechnician Note:\u003c\/strong\u003e On Mercedes W164 and X164 models, the air compressor almost never fails on its own—it burns out due to continuous cycling caused by leaking rear air spring bladders (bellows) or airline valve block leaks. Before or immediately after installing this compressor, inspect the rear air bags with soapy water. \u003cstrong\u003eAlways replace the 40A compressor power relay (located in the front fuse box) simultaneously\u003c\/strong\u003e to prevent relay contact sticking, which would run the new pump continuously and void warranty.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Landnovo","offers":[{"title":"Default Title","offer_id":52368520347944,"sku":null,"price":98.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/4243\/8184\/files\/1_728ad98c-319b-4239-85d9-87601c55d039.jpg?v=1789112650","url":"https:\/\/landnovo.com\/products\/landnovo-airmatic-compressor-pump-1643201204-mercedes-w164-x164","provider":"Landnovo Premium Auto Parts","version":"1.0","type":"link"}