PSI (pounds per square inch)

A standard unit of measure for tire pressure.

    See also:

    Selecting the ideal shift range
    Pull the left-hand steering wheel paddle shifter and hold it in position. The automatic transmission shifts to the gear which allows optimum acceleration and deceleration. To do this, the auto ...

    4MATIC (permanent four-wheel drive)
    4MATIC ensures that all four wheels are permanently driven. Together with ESP®, it improves the traction of your vehicle whenever a drive wheel spins due to insufficient grip. WARNING If a ...

    Clearing the memory of the integrated garage door opener on the rear-view mirror
    Turn the SmartKey to position 2 in the ignition lock. Press transmitter buttons 2 and 4. The indicator lamp lights up yellow. Press and hold transmitter buttons 2 and 4 until the indic ...