Influencing Parameters at the Control Unit - RA0705HFM0020X (07.5-0020)
WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.
A Engine 104 HFM
B Engine 111 HFM
C Engine 111 PMS