just after having a new fuel filter installed a couple months ago, I have begun to notice the fuel pump is starting to 'buzz.'

It does so when the system charges in preperation for ignition as well as when the vehicle is running.

Past experience with other vehicles indicate it is a sign this particular part is on its last legs and should be replaced ASAP.

My question is this:

Does the replacement entail removal of the back seat, peeling back carpet, etc. and accessing said part through the 'paint can lid' or is lowering the gas tank the preferred/correct method.

Vehicle background:

98 ML320, 117K miles (highway)

Also, any idea on the part cost for a new fuel pump? I'll be calling the source on this site tomorrow in prep for an from the dealer.

As always, assistance is greatly appreciated.

Robert

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Fast Robert