Problem Reports
Mercedes-Benz S550 4MATIC
Report: The Transmission Drive Selector Module May Fail
Mercedes-Benz S550 4MATIC Problem
Model Years Affected: 2007, 2008, 2009, 2010
Average Mileage: 37,500 mi (11,000 mi - 64,000 mi)
The transmission drive selector module may fail resulting in the loss of gear selection capability. This condition can leave the vehicle stranded, and will require replacement of the drive selector module.
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Visitor, 2007 Mercedes-Benz S550 4MATIC, 64,000 mi
Transmission stuck in one gear.(safe mode)
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Visitor, 2009 Mercedes-Benz S550 4MATIC, 11,000 mi
Transmission switched to low gear and stayed there - so you can only travel at about 15-20 mph. Mercedes dealership says that the electronics force it into a "safe mode" when this happens so one can not damage the transmission. Despite it being covered fully by warranty, it makes me uneasy in a car with 11k miles!!!
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