This old thread may help:
Alternatively, I have heard that a bad acumulator in the fuel system could make a rattling sound on acceleration/start up.
2003 Firemist Red/grey leather SL 500
2015 Palladium Silver/black mbtex GLK 350
1987 Smoke Silver/burgundy mbtex 300E Sportline (SOLD)
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Last edited by JCE; 11-21-2002 at 11:39 PM.