S 600 Sedan (140.057) V12-6.0L (120.980) (1994)
Calibration Resistor / Connector: Description and Operation
Reference Resistor (R16/3 And R16/4)
The activation of the ignition timing map occurs through the reference resistor (R16/3 and R16/4). The resistor is mounted into each EZK/AKR control
unit.