Parking Brake, Checking
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. the "T U V mode" is activated.
-- The yellow electro-mechanical parking brake symbol with a line through it appears in the instrument cluster. Refer to Owner's Information, Instruments and Indicator Lamps
The Electro-Mechanical 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 on
- Front wheels, speed = 0 km/ h (0 mph)
- Rear wheels, speed min. = 3, max. 9 km/h (= 2, max 5.5 mph).
WARNING:
A brake test stand with a regulated wheel set must be used on All Wheel Drive (AWD) vehicles.