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Model Years Affected: 2007, 2008, 2009
The early versions of the central gateway module (which allows different systems to communicate with each other) have software problems.
Q&A > Mercedes-Benz > 2009 Mercedes-Benz SL550
Q&A > Mercedes-Benz > 2007 Mercedes-Benz SL550
Common Problems > Mercedes-Benz SL550