Originally Posted by
GregWork
I would try a known good battery first, based on your last post.
Questionable batteries have caused lots of electrical gremlins based on the posts I have read.
I believe SKREEM is dealer only.
The SKREEM can be fixed by places other than the dealer. See this I copied from an earlier thread on this forum.
"
"Any how ordered from Factory OEM Parts in Tampa Florida. They asked Vin and Mileage then sent it.$145 Its the SIEMENS 1708201826 Plugged it in and car started. YEA. A Mercedes mechanic told me to turn to On then wait few seconds to program itself before engaging starter."
The number he says is the Siemens number is actually the Mercedes part number, the Siemens number is 5WK4 8698.