My 94 S320W (W140) currently has Michellin MXV4 plus H-rated tires. They are worn out.
I have an opportunity to buy 4 slightly used Pirelli P4000E W-rated tires for this car at a very low price.
Anybody have any input as to how the Pirellis will perform on my S320?
Should I even consider the Pirellis at any price?

what size are your tires?

I prefer most tires over michelins, especially Pirelli. Most michelins I have owned are like overinflated basketballs when you hit a bump they make noise. They do however last a long time and balance very nicely.

I agree with BigShot in respect to the Michelins with their pavement "slap", but all the Michelins I have had have been easy to balance and never failed structurally. I had Pirelli's on my S500 that came from the factory and they only lasted 13,000 miles. I would stick with Michelins IMHO.

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Mercedes Fleet:
2004 CL600 Designo Espresso SPORT
2004 S600 Designo Espresso SPORT/Lorinser Pkg.
1999 S320
1988 300TE
1972 280SEL 4.5
Diesel Fleet:
2014 GL350 Blutec
1987 300SDL Blk/Blk 4 place seating #18 head
1987 300SDL Smk Slv/Burgangy #17 head
1986 300SDL Blk Pearl/Palomino #14 head w/ 280K
1984 Lincoln Mark VII Fact BMW Turbo Diesel

i had mxv's on my car and when it came time to replace i went with the conti's that they were putting on the new s500's.no complaints but thet mxv's are good tires as well.the w pirelli's might be for winter.maybe.

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'95 s500 (bought for wife but can't bear to share!!!) 125kms
'92 legend 180kms
'88 tbirdturbo(fantastic car-only regular maint.)120kms
'87 mustang gt(gone)
'86 tbirdturbo(gone)
'85 mustang gt(gone-but not forgotten)