SmartKey

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Even more effective brake discs and brake booster
The brake system helps to reduce the unsprung masses through the use of floating (four- and six-cylinder models) or fixed front callipers with housings in aluminium or aluminium composite design a ...

Important safety notes
WARNING Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling and fuel economy, and are more ...

Engaging the electric parking brake automatically
The electric parking brake is automatically applied if HOLD or DISTRONIC PLUS brakes the vehicle until it is stationary and at least one of the following conditions is fulfilled: • the engine ...