Engine Electrical System - Repair
- Troubleshooting
- 61 20... Battery replacement information
- 61 13... Butt connector for repairing a plug connection
- 12 00 Contents of Engine Electrical System General
- 61 25 900 Disconnect high-voltage system from power
- 11 00... Handling components after flood damage
- 12 00... Instructions for removal and replacement of control units
- 12 00... Instructions for working on the ignition system
- 61 00... Notes for disconnecting and connecting battery
- 61 13... Notes for opening contacts and locks of different plug contact systems
- 61 00... Notes on handling wiring harnesses and cables
- 12 00... Notes/information on start assistance (jump starting)
- 12 00 Removing and installing/replacing ignition coil cover (N55)
- 12 00 Removing and installing/replacing the ignition coil cover (N55 Hybrid)
- 00 Safety information for working on vehicles with automatic engine start-stop function (MSA)
- 61 00... Safety information on handling hybrid cars
- 61 13... Unlocking and disconnecting various plug connections in hybrid vehicles
- Ignition Wires, Spark Plugs
- 12 12 011 Remove and install/replace all spark plugs (N20)
- 12 12 011 Remove and install/replace all spark plugs (N52T)
- 12 12 011 Removing and installing/renewing all spark plugs (N53, N55)
- 12 12 011 Removing and installing/renewing all spark plugs (N55 hybrid)
- 12 12 011 Removing and installing/replacing all spark plugs (N54, N63 B44 0/1, N74)
- 12 12 011 Removing and installing/replacing all spark plugs (S63 B44 T 0)
- Ignition Coil
- 12 13 009 Check ignition pencil coils with diagnosis and information system tester or oscilloscope (M54, M56, N40, N42, N43, N45, N46, N52, N62, N62TU, N73)
- 12 13 511 Replace the ignition coils (N63 B40/B44 O 1)
- 12 13 011 Replacing ignition coils (N20)
- 12 13 511 Replacing ignition coils (N52T)
- 12 13 511 Replacing ignition coils (N55)
- 12 13 511 Replacing ignition coils (N55 hybrid)
- 12 13 511 Replacing ignition coils (N63)
- 12 13 511 Replacing ignition coils (S63 B44 T 0)
- Electronic Switching Or Contr. 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 (N63)
- 12 90... Removing and installing/replacing electronics box (N57)
- 12 90... Removing and installing/replacing electronics box add-on (N63, S63, N57)
- 12 52 030 Removing the holder for the control units (S63 B44 T 0)
- 12 14 602 Removing/replacing knock sensor (1st and 2nd cylinder) (N20)
- 12 14 600 Removing/replacing knock sensor (3rd and 4th cylinders) (N20)
- 12 14 600 Removing/replacing knock sensors (N52T)
- 12 14 600 Removing/replacing knock sensors (N55 Hybrid)
- 12 14 600 Removing/replacing knock sensors (N55)
- 12 14 611 Removing/replacing left knock sensors (N63)
- 12 14 611 Removing/replacing left knock sensors (S63 B44 T 0)
- 12 14 610 Removing/replacing right knock sensors (N63)
- 12 14 610 Removing/replacing right knock sensors (S63 B44 T 0)
- 12 14 611 Removing/replacing the left knock sensors (N63, B40/B44 O 1)
- 12 14 610 Removing/replacing the right knock sensors (N63, B40/B44 O 1)
- 12 14 555 Replace the control unit (DME) for cylinders 1-4 (N63 B40/B44 O 1)
- 12 14 556 Replace the control unit (DME) for cylinders 5-8 (N63 B40/B44 O 1)
- 13 61 501 Replacing control unit (DDE) (N57 D30 U/O/T 0/1)
- 12 14 550 Replacing control unit (DME) (N20)
- 12 14 550 Replacing control unit (DME) (N52T)
- 12 14 550 Replacing control unit (DME) (N55)
- 12 14 550 Replacing control unit (DME) (N55 Hybrid)
- 12 14 550 Replacing control unit (DME) (N63)
- 12 14 552 Replacing control unit (DME) cylinders 1-4 (S63 B44 T 0)
- 12 14 554 Replacing control unit (DME) cylinders 5-8 (S63 B44 T 0)
- 12 14 521 Replacing crankshaft pulse generator (N63)
- 12 14 521 Replacing crankshaft pulse sensor (N20, N26)
- 12 14 521 Replacing crankshaft pulse sensor (N52T)
- 12 14 521 Replacing crankshaft pulse sensor (N55)
- 12 14 521 Replacing crankshaft pulse sensor (N55 hybrid)
- 12 14 521 Replacing crankshaft pulse sensor (S63 B44 T 0)
- 12 14 650 Replacing intake plenum (N55 Hybrid)
- 12 63 586 Replacing power distribution module (N20, N52T, N55)
- 12 63 586 Replacing power distribution module (N55 Hybrid)
- 12 14 512 Replacing pulse generator on left exhaust camshaft (N63)
- 12 14 522 Replacing pulse generator on left inlet camshaft (N63)
- 12 14 513 Replacing pulse generator on right exhaust camshaft (N63)
- 12 14 526 Replacing pulse generator on right inlet camshaft (N63)
- 12 14 524 Replacing pulse sensor on exhaust camshaft (N20)
- 12 14 524 Replacing pulse sensor on exhaust camshaft (N52T)
- 12 14 524 Replacing pulse sensor on exhaust camshaft (N55 Hybrid)
- 12 14 524 Replacing pulse sensor on exhaust camshaft (N55)
- 12 14 523 Replacing pulse sensor on intake camshaft (N20)
- 12 14 523 Replacing pulse sensor on intake camshaft (N52T)
- 12 14 523 Replacing pulse sensor on intake camshaft (N55)
- 12 14 512 Replacing pulse sensor on left exhaust camshaft (N63 B40/B44 O 1)
- 12 14 522 Replacing pulse sensor on left exhaust camshaft (N63 B40/B44 O 1)
- 12 14 512 Replacing pulse sensor on left exhaust camshaft (S63 B44 T 0)
- 12 14 522 Replacing pulse sensor on left intake camshaft (S63 B44 T 0)
- 12 14 513 Replacing pulse sensor on right exhaust camshaft (N63 B40/B44 O 1)
- 12 14 513 Replacing pulse sensor on right exhaust camshaft (S63 B44 T 0)
- 12 14 526 Replacing pulse sensor on right intake camshaft (N63 B40/B44 O 1)
- 12 14 526 Replacing pulse sensor on right intake camshaft (S63 B44 T 0)
- 12 14 650 Replacing suction pressure sensor on intake plenum (N20)
- 12 14 650 Replacing suction pressure sensor on intake plenum (N55)
- 12 14 650 Replacing suction pressure sensor on pressure pipe (N20)
- 12 14 521 Replacing the pulse sensor on the crankshaft (N63 B40/B44 O 1)
- 12 14 523 Replacing the pulse sensor on the intake camshaft (N55 Hybrid)
- Preheating Relay
- PREHEATER Plugs
- Alternator With Drive And Mounting
- 12 31 020 Removing and installing alternator (N52T)
- 12 31 020 Removing and installing or replacing alternator (N20)
- 12 31 020 Removing and installing or replacing alternator (N55)
- 12 31 020 Removing and installing or replacing alternator (N63)
- 12 31 020 Removing and installing or replacing alternator (S63 B44 T 0)
- 12 31 022 Removing and installing or replacing starter motor generator (N55 Hybrid)
- 12 31 020 Removing and installing or replacing the alternator (N63 B40/B44 O 1)
- 12 31 020 Removing and installing/replacing alternator (N57 D30 O/T 1)
- Controller
- Electrical Machines
- 61 25 900 Disconnect high-voltage system from power
- 12 35 005 Remove/install/replace electric machine
- 12 35 010 Removing and installing/replacing torsional vibration damper (electrical machine)
- 61 00... Safety information on handling hybrid cars
- 61 13... Unlocking and disconnecting various plug connections in hybrid vehicles
- Control Units, Electric Machines
- Starter With Mounting
- 11 00... Handling components after flood damage
- 12 41 020 Remove and install/replace the starter motor (N63 B40/B44 O 1)
- 12 41 020 Removing and installing/replacing starter (N57 D30 O/T 1)
- 12 41 020 Removing and installing/replacing starter (N63)
- 12 41 020 Removing and installing/replacing starter motor (N20)
- 12 41 020 Removing and installing/replacing starter motor (N52T)
- 12 41 020 Removing and installing/replacing starter motor (N55)
- 12 41 020 Removing and installing/replacing starter motor (S63 B44 T 0)
- 12 41 020 Removing and installing/replacing the starter motor (N55 Hybrid)
- 12 41 041 Replacing solenoid switch
- Starter Lead
- 12 42 500 Replacing battery positive lead between starter, alternator and battery positive connection point (N52T)
- 12 42 550 Replacing battery positive lead between starter, alternator and battery positive terminal (N63)
- 12 42 600 Replacing positive battery cable between alternator and positive battery connection point (N55 Hybrid)
- 12 42 500 Replacing positive battery cable between starter motor, alternator and positive battery connection point (N55)
- 12 42 605 Replacing positive battery cable between starter motor, E machine electronics and positive battery connection point (N55 Hybrid)
- 12 42 500 Replacing positive battery cable between starter motor, alternator and positive battery connection point (N20)
- 12 42 540 Replacing safety battery terminal (SBK)
- 12 42 500 Replacing the positive battery cable between the starter motor, alternator and positive battery connection point (N57 D30O 1)
- Engine Wiring Loom
- 61 25 900 Disconnect high-voltage system from power
- 12 51 235 Removing and installing/replacing engine sensor system module 1 wiring harness (N20)
- 12 51 240 Removing and installing/replacing engine sensor system module 2 wiring harness (N20)
- 12 51 304 Removing and installing/replacing engine wiring harness section, Valvetronic servomotor cylinder 1-4 (N63 B40/44 O 1)
- 12 51 305 Removing and installing/replacing engine wiring harness section, Valvetronic servomotor cylinder 5-8 (N63 B40/44 O 1)
- 12 51 300 Removing and installing/replacing engine wiring harness section, ignition module cylinder 1-4 (N63 B40/44 O 1)
- 12 51 301 Removing and installing/replacing engine wiring harness section, ignition module cylinder 5-8 (N63 B40/44 O 1)
- 12 51 302 Removing and installing/replacing engine wiring harness section, sensor system module cylinder 1-4 (N63 B40/44 O 1)
- 12 51 303 Removing and installing/replacing engine wiring harness section, sensor system module cylinder 5-8 (N63 B40/44 O 1)
- 12 51 306 Removing and installing/replacing supply module wiring harness section (N63 B40/44 O 1)
- 12 51 245 Replacing the wiring harness section for the engine transmission module (N20)
- 12 51 215 Replacing wiring harness section for Valvetronic servomotor (N20)
- 12 51 001 Replacing wiring harness section for engine (N55 Hybrid)
- 12 51 001 Replacing wiring harness section for engine (N55)
- 12 51 001 Replacing wiring harness section for engine (N57 D30 O/T 1)
- 12 51 001 Replacing wiring harness section for engine (N63)
- 12 51 210 Replacing wiring harness section for ignition and injectors (N20)
- 12 51 100 Replacing wiring harness section for ignition and injectors (N55)
- 12 51 100 Replacing wiring harness section for ignition and injectors (N55 Hybrid)
- 12 51 100 Replacing wiring harness section for ignition and injectors (N63)
- 12 51 200 Replacing wiring harness section for injectors (N57 D30 O T 1)
- 61 00... Safety information on handling hybrid cars
- Connectors, Plugs, Loose Parts
- Oil Pressure/Oil Temperature/Oil Gauge
- 12 61 588 Removing and installing/renewing engine oil pressure/temperature sensor (N20)
- 12 61 285 Removing and installing/renewing oil level sensor for engine oil (N20)
- 12 61 285 Removing and installing/renewing oil level sensor for engine oil (N55)
- 12 61 285 Removing and installing/replacing oil level sensor for engine oil (N52T)
- 12 61 285 Removing and installing/replacing oil level sensor for engine oil (N55 hybrid)
- 12 61 285 Removing and installing/replacing oil level sensor for engine oil (N57 D30 O/T 1)
- 12 61 285 Removing and installing/replacing oil level sensor for engine oil (N63 B40/B44 O 0/1)
- 12 61 285 Removing and installing/replacing oil level sensor for engine oil (S63 B44 T 0)
- 12 61 280 Removing and installing/replacing oil pressure sensor (N52T)
- 12 61 280 Removing and installing/replacing oil pressure sensor (N55)
- 12 61 280 Removing and installing/replacing oil pressure sensor (N55 Hybrid)
- 12 61 280 Removing and installing/replacing oil pressure sensor (N63 B40/B44 O 0/1)
- 12 61 280 Removing and installing/replacing oil pressure sensor (S63 B44 T 0)
- 12 61 280 Removing and installing/replacing oil pressure switch (N57 D30 O/T 1)
- Switches And Relays
- Control Unit Box