See also:

Problems with the SmartKey
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Activating/deactivating PRE-SAFE® Brake
PRE-SAFE® Brake is only available in vehicles with DISTRONIC PLUS. Press the or button on the steering wheel to select the DriveAssist menu. Press or to select PRE-SAFE Brake. Pres ...

Useful information
This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differenc ...