The SAFEST way is by de-activating the system with a scanner! EXTREME caution if you don't have the correct equiptment!!
However if you disconnect the electrical connector from the hydraulic unit, remove the key & close the doors, & wait for 15-20 minutes, the system will go to sleep & you can do the pad/rotor service.
DO not open a bleeder!! do not try to bleed brakes!
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MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
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44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
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190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
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