OnStar®

If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview&nb ...

Keys and Locks

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See also:

Please bear the following in mind
The engine oils are matched to the performance of Mercedes-Benz engines and service intervals. You should therefore only use engine oils and oil filters that are approved for vehicles with mainten ...

Driving on Grades
Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might get hot and no longer work well. Vehicles can tow in ...

Using ACC
1. SET+: Press to increase or set the speed. 2. Press to resume the set speed. 3. Press to decrease the set speed. 4. CAN: Cancels, but retains the set speed in memory. 5. Press to decrease the ...