WDS Wiring Diagram System - E53

• Complete vehicle
• Component and signal information
• Service functions

• Drive
• Chassis
• body

• Wheel-slip control system
• Springing and damping
• Steering
• Wheels and tyres
• CAN-bus

• Single-axle air suspension EHC (EHC Electronic Height Control)
• Dual-axle air suspension EHCII (EHC2 Electronic ride-level control)

• Electronic level control (EHC) (up to 2002_09)
• Electronic level control (EHC) (from 2002_09)
• Rear axle air suspension (level control)
• EHC supply
• Switches, sensors
• Air supply
• Air control
• Ride-level control
• Special function for fault lamp sporadically on

• Rear axle air suspension (level control)
• Control unit, air suspension, supply
• Air supply system