Good News ,Ive had the problem Re SL350 2004 Re water in the Boot nacking the PSE Cent Locking pump box of tricks . All you get on this site is TUFF you will have to bite the Bullet and buy a new Box of tricks from merc depending on witch day and direction of WIND ! you will be charged £654.to £800. +vat That replaces the box but does not Mend the water Gushing in to the Boot ... ive got a contact that May be able to re con the box depending on the damage . call Nic on 07740662188 Ime for saving unnesersery exspence £800. thats 516 Pints of IPA at Witherspoons at £1.55 a pint .so long as you are not driveing .