See also:

Information for customers in California
Under California law you may be entitled to a replacement of your vehicle or a refund of the purchase price or lease price, if after a reasonable number of repair attempts Mercedes-Benz USA, L ...

Problems with the SmartKey
Problem Possible causes/consequences and  Solutions You cannot lock or unlock the vehicle using the SmartKey. The SmartKey battery is discharged or nearly discharged ...

Activating/deactivating ESP®
WARNING The ESP® should not be switched off during normal driving. Disabling of the system will result in the following: - no restriction to engine torque - loss of system-supported ...