I finally made an appointment with MB dealer for diagnosis of the problem.

How long should my appointment be for.?

Dealer tells me 1 hour minimum and than what ever it takes longer to find the problem.

Your help greatly appreciated!

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2008 ML320 CDI
2007 GL320 CDI
2005 Audi A6 (sold)
2001 E320 (sold)
2004 lexus RX330 (sold)
2004 Honda CRV (sold)
93 190E 2.6 (sold)
97 E320 (sold)
2000 Honda CRV (sold)
91 350SD (sold)
90 E300 with amg body kit (sold)
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81 300sd brown (sold)