"All Activity Module" May Cause Multiple Electrical Malfunctions on Mercedes-Benz ML350

Various electrical problem may develop due to a failed "all activity module". Our technicians tell us that proper diagnoses is required to be sure any electrical faults are being caused by the failed module.

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Average mileage: 154,000 (140,000–168,000)
4 model years affected: 2003, 2004, 2005, 2006 more
6 people reported this problem
2 people shared problem details
switch to activate driver side window does not work to roll window up
power windows and side mirrors do not work
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