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This air strut with the original part number A2203202138 for the Mercedes-Benz S-Class W220 corresponds to the original series damper for the versions with ADS (Adaptive Damping System). . Each air strut was examined according to a test report. That's the big difference to the simple replicas! Only a 100% tested product and the professional installation of it ensures that your vehicle again offers the same ride comfort as with an original spare part. . Due to the complex sensor system, the control unit changes the function of the hydraulic DampTronic shock absorber in dependence -the road surface, -the driving style, and your chosen mode of driving dynamics system "Drive Select". . Can be installed in the following vehicles: Mercedes-Benz S-Class W220 4Matic . Original spare part number: A2203202138, 2203202138, A220320213889, 220320213889 Reference: AS-2784 . Scope of delivery: Shock absorbing strut front left . Your advantage: -Documented quality assurance (Quality management in the automotive industry IATF - 16949) -Much cheaper than authorized repair -Personal advice -We as German provider have the European returns policy -We also have a 2 years warranty -Worldwide express delivery is our standard -In Europe we have the longest experience with the topic of air suspension for automobiles in the after market. . Important: -Never lower vehicle with air Discharged from air-suspension bellows! -Check air suspension system for leaks. -Lower vehicle with pressurized air spring modules from the lifting platform. Verify after repair if the system is completely sealed. The easiest way this is by parking the vehicle determine. Wait for the automatic readjustment of the system, if your vehicle has this feature. All heights the air are supported accurately measure from the ground to the lower edge of fenders and note. The next day, check and compare these heights. Even a small deviation of the distances leads to permanent damage to the compressor and the valves.
