Mercedes SLK R171 SL R231  Hydraulic Roof Pump Motor and Pump Unit 2004-2013 A 171 800 0030 & A171 800 01 48

Due to the open hydraulic pump, backup lifting hydraulic pump and so on are easily subject to moisture or water, leading to most motor decay or oxidation damage, so as to

Generally, replacing new motors can solve the problems of weak driving or slow response of open-top hydraulic pumps.