Mercedes floor mats fall apart????

i expected that i would have to replace my floor matts so about 5 months ago i bought new gray ones ant today i lifted them up to vacum thy are ruined on the bottom the paper type stuff on the bottom was al lose and falling of. they look like my 15 year old floor mats after five months waht should i do call mercedes or just forget it.

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Dan Younes
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1985 euro 500sel 223k
1986 420sel 86k soon 2 be
1981 300sd 278k sold
1979 240d 298k sold
1983 300sd 272k sold
1989 chrysler 2.2l Turbo
Leabaron 140k
1989 Dodge Carvan Se 295k
1994 S500
(hopefully someday)