Genuine Mercedes-Benz TIREFIT 12V tyre inflator/compressor. Part number A000 583 2202 Q004. Plugs into 12V cigarette lighter socket. Includes pressure gauge reading bar/PSI/kPa. Standard equipment in many modern Mercedes vehicles as part of the tyre repair kit. Tested/untested? Worth confirming. Compressor unit only - sealant bottle not included.
