Mercedes E-Class W211 - Hidden Functions

Four more hidden functions explained for the Mercedes E-Class, including the hidden A/C menu! Check it out! Menu data: 1 in-car temp 2 temp outside 3 heater core temp, left 4 heater core temp, right 5 evaporator core temp 6 engine coolant temp 7 refrigerant pressure (in bars) 8 refrigerant temp 9 not used 10 blower control voltage in range .8 - 6V (max) 11 air pollution sensor 12 sun sensor 20 control current of aux fan 21 engine RPM (x 100) 22 vehicle speed, km/h 23 terminal 58d battery charge, percent 24 battery voltage 40 software status register 41 hardware status register Please help making this list complete! Thanks a bunch!