{"product_id":"bilstein-b4-front-left-air-suspension-module-for-mercedes-benz-3","title":"BILSTEIN B4 Front Left Air Suspension Module for Mercedes Benz","description":"\u003cp\u003e\u003cem\u003eOE replacement air suspension module in OE quality\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe Bilstein B4 air suspension module is the OE replacement, in 100% OE quality, for premium vehicles with factory air suspension – from saloons and SUVs to sports cars. Available for active and passive systems, it uses patented technologies known from OE, such as the Bilstein DampTronic Sky system.\u003c\/p\u003e\n\u003ch3\u003eThe B4 air suspension module at a glance\u003c\/h3\u003e\n\u003cp\u003eIt combines shock absorber, spring and level control in one part and gives new-car comfort, safety and stability. As a 100% new part, it drives like day one.\u003c\/p\u003e\n\u003ch3\u003eThe OE replacement for premium cars with air suspension\u003c\/h3\u003e\n\u003cp\u003eLong motorway runs, heavy city traffic or a full load – the module keeps the car safe and comfortable. It compensates for load automatically, keeps the ride height constant and, in active systems, reacts instantly to bumps – in saloons, SUVs and sports cars alike.\u003c\/p\u003e\n\u003ch3\u003eProduct benefits\u003c\/h3\u003e\n\u003cp\u003eDeveloped with leading premium car makers for OE and made to the same standards for the aftermarket. As a 100% new part it combines air spring and damper in one component.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDeveloped and made to OE standards\u003c\/li\u003e\n\u003cli\u003eMade in the same factories as the original equipment (e.g. Mercedes-Benz, BMW, Porsche, VW)\u003c\/li\u003e\n\u003cli\u003e100% new – no reconditioned used parts\u003c\/li\u003e\n\u003cli\u003ePatented Bilstein DampTronic or DampMatic technology, depending on the model\u003c\/li\u003e\n\u003cli\u003eWide coverage for active and passive air suspension\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat makes the B4 air suspension module stand out\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe right choice to keep the original air suspension, with all its comfort and control functions, for an as-new drive.\u003c\/li\u003e\n\u003cli\u003eA top-quality product with outstanding damping and springing – its design puts damping, springing and level control into a single component.\u003c\/li\u003e\n\u003cli\u003eNo reworking, no compromise: every module is completely new, never a reconditioned used part; all components are newly made and matched to each other.\u003c\/li\u003e\n\u003cli\u003eAs an OE system supplier, Bilstein develops air suspension modules with leading premium car makers, and that experience goes straight into the aftermarket – same manufacturing processes, same quality standards.\u003c\/li\u003e\n\u003cli\u003eEvery module is tested on the road and on test tracks in Bilstein's road tests, giving damping and comfort identical to the original-equipment specification.\u003c\/li\u003e\n\u003cli\u003eIntensive testing – long-term stress tests, extreme salt-spray tests, scratch tests and 1:1 checks before delivery – for maximum durability and quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhere the B4 air suspension module is used\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComfort on long journeys: smooths out bumps and uneven surfaces on motorways and country roads, for relaxed, precise handling even at high speed.\u003c\/li\u003e\n\u003cli\u003eStable when fully loaded: with heavy luggage or several passengers it keeps the ride height constant, with steady comfort, safety and straight-line stability.\u003c\/li\u003e\n\u003cli\u003eComfort in town: responds smoothly and stays stable over cobbles and potholes, for a smooth ride, short stopping distances and precise handling.\u003c\/li\u003e\n\u003cli\u003ePrecision for performance cars: optimum damping and precise handling in powerful saloons and sports cars, even with fast load changes or dynamic driving.\u003c\/li\u003e\n\u003cli\u003eConfident on any surface: on premium SUVs with air suspension it combines road comfort with safe handling on unmade roads or light off-road.\u003c\/li\u003e\n\u003cli\u003eIdeal for towing: stabilises the car when towing a caravan or trailer, reduces sway and keeps the combination on track, even with high nose weights.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003ch4\u003eCan air springs or air suspension modules be fitted after their best-before date?\u003c\/h4\u003e\n\u003cp\u003eThe best-before date is really a shelf-life date and must be kept until the part is first used: the air spring is partly pre-filled with nitrogen at 3–5 bar, and the bellows must be protected from creasing, kinking and deformation while stored.\u003c\/p\u003e\n\u003ch4\u003eIs there installation information for workshops?\u003c\/h4\u003e\n\u003cp\u003eDampers are fitted following the vehicle maker's instructions. For air springs and air suspension modules Bilstein provides installation videos and instructions, linked to the part number in its online catalogue.\u003c\/p\u003e\n\u003ch4\u003eCan I lift a car with air suspension while the engine is running – will the bellows burst?\u003c\/h4\u003e\n\u003cp\u003eNo, nothing will happen. But never lower a car onto an air spring that has no pressure in it.\u003c\/p\u003e\n\u003ch4\u003eWhy buy new Bilstein air suspension modules when remanufactured ones are cheaper?\u003c\/h4\u003e\n\u003cp\u003eReconditioned or repaired used parts contain used dampers with unknown mileage and possible damage, and some have solenoid valves disabled, turning an active module into a passive one. Bilstein air suspension modules are 100% new and match the original parts.\u003c\/p\u003e\n\u003ch3\u003eProduct details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBilstein part number:\u003c\/strong\u003e 44-328672\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle make:\u003c\/strong\u003e Mercedes Benz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEAN:\u003c\/strong\u003e 4025258951115\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eVehicle Fitment\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:0 0 1em;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"padding:6px 10px;border:1px solid #ddd;background:#f5f5f5;text-align:left;font-weight:600;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding:6px 10px;border:1px solid #ddd;background:#f5f5f5;text-align:left;font-weight:600;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding:6px 10px;border:1px solid #ddd;background:#f5f5f5;text-align:left;font-weight:600;\"\u003eChassis\u003c\/th\u003e\n\u003cth style=\"padding:6px 10px;border:1px solid #ddd;background:#f5f5f5;text-align:left;font-weight:600;\"\u003eModels\u003c\/th\u003e\n\u003cth style=\"padding:6px 10px;border:1px solid #ddd;background:#f5f5f5;text-align:left;font-weight:600;\"\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eMercedes-Benz\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eGLE\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eV167\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eAll models\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e2019–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Bilstein","offers":[{"title":"Default Title","offer_id":55635818938709,"sku":"44-328672","price":895.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/3327\/0357\/files\/series-B4-Air-Module-1.webp?v=1793633506","url":"https:\/\/shop.regalautosport.com\/products\/bilstein-b4-front-left-air-suspension-module-for-mercedes-benz-3","provider":"Regal Autosport","version":"1.0","type":"link"}