But the removal of the fuse only buys you a little extra time. Pump failures between fuse removal will shorten in time up to a point where every time you close a door or the trunk you must reset the fuse to get the pump to work again.

When the pump failed on my S 500 L I replaced it with an aftermarket unit (cheaper than the original MB pump) but it only lasted for a year before starting failing again. So, I bought the original M.B. unit.

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A. Rosich
CL 500, 1998
S 500 L, 1998
E 320 T, 1995 [Sadly sold ]