A pressure washer is not a good idea as they usually have high enough pressure to damage gaskets and blow water right past rubber seals into the engine. I have witnessed motorcycle engines fail because the owner liked to keep them spotless with a pressure washer after each ride. A car wash is generally nowhere near the same pressure and poses a lot less risk. Just use a little common sense and there isn't much on a 300d that you will damage with a car wash.
Mike On Jul 30, 2011 12:02 PM, "andrew strasfogel" <astrasfo...@gmail.com> wrote: > The 300 D engines can take a washing without missing a beat. I used to > leave the engine running while hosing it down but no more. > > On Fri, Jul 29, 2011 at 6:38 PM, Mitch Haley <m...@voyager.net> wrote: > >> Alex Chamberlain wrote: >> >> You don't? I have always been wary of washing car engines with water >>> under any significant pressure. I seem to remember that BMW at some >>> point in the late '80s or '90s issued a service bulletin that strongly >>> recommended against engine washing because of the potential for water >>> being forced into connectors, "sealed" electronic modules, etc. >>> >> >> I killed a few relays doing weekly underhood washings of a Chrysler >> product. >> Unlike my similar vintage MBZ, it did not have the relays in a covered box. >> >> Mitch. >> >> >> ______________________________**_________ >> http://www.okiebenz.com >> For new and used parts go to www.okiebenz.com >> To search list archives http://www.okiebenz.com/**archive/< http://www.okiebenz.com/archive/> >> >> To Unsubscribe or change delivery options go to: >> http://mail.okiebenz.com/**mailman/listinfo/mercedes_**okiebenz.com< http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com> >> > _______________________________________ > http://www.okiebenz.com > For new and used parts go to www.okiebenz.com > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com