Pressurizing Solenoid Valves
WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 1999 Mercedes-Benz SLK230, 1999 Mercedes-Benz ML430, 1999 Mercedes-Benz ML320, 1999 Mercedes-Benz E430, and 1999 Mercedes-Benz E320. However, it is still accessible from the selected car via links, so may be relevant.
Pressurizing solenoid valves are located in pressurizing lines to high pressure pump/return pump. Pressurizing solenoid valves control pressurizing pressure of 101.5-217.5 psi to the high pressure pumps/return pumps during ASR and ESP control.