Cruise Control Amplifier, 005 545 0532, ( VDO Number 412 212/1/1). Proved to work with resistor plug 007 545 12 32 ( not included) today. Tested in my W124 but fits a multitude of models (W126, W202, Vito,etc). £50 posted.
Cruise control Amplifier, 016 545 7732, (VDO Number 412 212/001/006)...