Engine Electrical System - Repair

• Troubleshooting
  • 61 20... Battery replacement information
  • 12 00... Instructions for removal and replacement of control units
  • 12 00... Instructions for working on the ignition system
  • 12 00... Notes for disconnecting and connecting battery
    • Notes
    • Before disconnecting battery
    • General notes on disconnecting battery
    • After connecting battery
    • Vehicles with a two-battery system
  • 61 00... Notes on handling wiring harnesses and cables
  • 12 00... Notes/information on start assistance (jump starting)
    • Notes
    • Preparation
    • Operation
  • 00 Safety information for working on vehicles with automatic engine start-stop function (MSA)
    • Notes
    • Observe safety precautions when working on MSA vehicles
    • MSA function is deactivated by
• Ignition Wires, Spark Plugs
  • 12 12 011 Removing and installing/replacing all spark plugs (N53, N54, N54T, N55, N63, S63)
• Ignition Coil
  • 12 13 511 Removing/replacing spark plugs (S63)
• Electronic Switching Or Control Units
  • 12 14 700 Coding control module (DME / DDE)
  • 12 14 705 Programming control unit (DME / DDE)
  • 12 90... Removing and installing/replacing electronics box
  • 12 14 611 Removing/replacing left knock sensors (N63, S63)
  • 12 14 610 Removing/replacing right knock sensors (N63, S63)
  • 12 14 550 Replacing control unit (DME) (N63, S63)
  • 12 14 521 Replacing crankshaft pulse generator (N63, S63)
  • 12 14 512 Replacing pulse generator on left exhaust camshaft (S63)
  • 12 14 522 Replacing pulse generator on left inlet camshaft (S63)
  • 12 14 513 Replacing pulse generator on right exhaust camshaft (S63)
  • 12 14 526 Replacing pulse generator on right inlet camshaft (S63)
• Alternator With Drive And Mounting
  • 12 31 009 Checking alternator (BSD)
  • 12 31 020 Removing and installing or replacing alternator (S63)
  • 12 31... Replacing alternator belt pulley (with overrunning clutch)
• Controller
  • 12 32 501 Replacing voltage regulator
• Starter With Mounting
  • 12 41 020 Removing and installing/replacing starter motor (N63, S63)
  • 12 41 041 Replacing solenoid switch
• Starter Lead
  • 12 42 550 Replacing battery positive lead between starter, alternator and battery positive terminal (S63)
  • 12 42 540 Replacing safety battery terminal (SBK)
• Engine Wiring Loom
  • 12 51 001 Replacing wiring harness section for engine (S63)
  • 12 51 100 Replacing wiring loom section for ignition and injectors (S63)
• Oil Pressure/Oil Temperature/Oil Gauge
  • 12 61 285 Removing and installing/replacing oil level sensor for engine oil (N63, S63)
  • 12 61 280 Removing and installing/replacing oil pressure sensor (N63, S63)
• Control Unit Box
  • 12 90... Removing and installing/replacing electronics box
  • 12 90 100 Replacing blower for electronics box