WDS Wiring Diagram System - E53

• Complete vehicle
• Component and signal information
• Service functions

• Drive
• Chassis
• body

• Transport mode (from 2001_09)
• Automatic Interval Control (AIC Automatic Interval Control or RLS Rain/Light Sensor)
• Electronic vehicle immobilisation
• Instrument cluster
• Multiple Restraint System MRS4 (MRS Multiple Restraint System III/IV)
• CKPH telephone, Siemens fixed mounting
• TCU Telematic Control Unit (TCU Telematic Control Unit)
• Sunroof
• Auxiliary heater (STH park heating or Diesel engine)
• Navigation

• Handset log-on/off

• BIT 2 with CKPH (GSM and WDCT networks)
• Logging Siemens CKPH on and off