Parking Brake, Checking

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Test Sequence

-- Drive In Vehicle With Rear Wheels Onto Test Rollers And Do Not Switch Off Ignition.

NOTE:

Do Not Switch Off The Ignition.

-- As soon as the rollers reach a speed above 3 km/h (2 mph). the "T U V mode" is activated.

-- The yellow electromechanical parking brake symbol with a line through it appears in the instrument cluster. Refer to the Owner's Manual.

The Electromechanical Parking Brake Function is Now:

The brake does not close at once, but rather closes a bit each time the Electromechanical Parking Brake Button -E538- is pressed. The brake is completely closed in three stages.
Pressing the Electromechanical Parking Brake Button -E538- releases the brakes again.

Prerequisite For "T U V Mode" :

Ignition is on
Front wheels, speed = 0 km/ h (0 mph)
Rear wheels, speed min. = 3, max. 9 km/h (6 mph).

WARNING:

A Brake Test Stand With A Regulated Wheel Set Must Be Used On AWD Vehicles.