Engine Timing - 230 Chassis

• General Information
  • General notes on timing, markings - AH05.10-P-1000-01A
  • Camshaft code number and assignment - AH05.20-N-0100-01A
  • Slackening and tightening instructions for the camshaft bearing caps - AH05.20-P-0300-01A
  • Notes on installing camshaft bearing bridge - AH05.20-P-2000-01AV
• Basic Knowledge
  • Design of chain tensioner - GF05.10-P-7801-01A
  • Timing chain drive, general - GF05.10-P-9611-01C
  • Component description for a camshaft solenoid - GF05.20-P-2100V
• Safety Precautions
  • Risk of explosion and poisoning - AS05.30-Z-0001-01A
• Testing & Repair
  • Remove/install hydraulic valve clearance compensation elements - AR05.00-P-2011
    • Remove/install hydraulic valve clearance compensation elements - AR05.00-P-2011B (SL500, SL55 AMG)
    • Remove/install hydraulic valve clearance compensation elements - AR05.00-P-2011RX (SL550)
    • Remove/install hydraulic valve clearance compensating elements - AR05.00-P-2011AMG (SL63 AMG)
  • Check the engine valve timing - AR05.10-P-6858V (SL500, SL55 AMG)
  • Replacing timing chain - AR05.10-P-7601
    • Replacing timing chain - AR05.10-P-7601AV (SL500, SL55 AMG)
      • Notes
      • Separate timing chain - AR05.10-P-7601-01AV
      • Rivet timing chain - AR05.10-P-7601-02AV
      • Drawing in timing chain - AR05.10-P-7601-04AV
    • Replace timing chain - AR05.10-P-7601RX (SL550)
      • Notes
      • Separate timing chain - AR05.10-P-7601-01VA
      • Riveting the timing chain - AR05.10-P-7601-02VA
      • Drawing in timing chain - AR05.10-P-7601-04VA
    • Replace timing chain - AR05.10-P-7601R (SL600, SL65 AMG)
      • Notes
      • Separate timing chain - AR05.10-P-7601-01R
      • Rivet timing chain - AR05.10-P-7601-02R
      • Drawing in timing chain - AR05.10-P-7601-04R
  • Remove/install guide wheel for timing chain - AR05.10-P-7760A (SL550)
  • Remove/install chain tensioner - AR05.10-P-7800
    • Remove/install chain tensioner - AR05.10-P-7800RX (SL550)
    • Remove/install chain tensioner - AR05.10-P-7800AM (SL500, SL55 AMG)
    • Remove/install chain tensioner - AR05.10-P-7800RMG (SL63 AMG)
    • Remove/install chain tensioner - AR05.10-P-7800R (SL600, SL65 AMG)
  • Remove/install tensioning rail - AR05.10-P-8127RX (SL550)
  • Remove/install slide rail in timing case cover - AR05.10-P-8484
    • Remove/install slide rail in timing case cover - AR05.10-P-8484V (SL500, SL55 AMG)
    • Remove/install slide rail in timing case cover - AR05.10-P-8484RX (SL550)
  • Remove and install tensioning rail and slide rail in timing case cover - AR05.10-P-8500M
    • Remove/install tensioning rail and slide rail in timing case cover - AR05.10-P-8500RMG (SL63 AMG)
    • Remove and install tensioning rail and slide rail in timing case cover - AR05.10-P-8500M (SL600, SL65 AMG))
  • Remove/install rocker arms - AR05.20-P-2340AU (SL500, SL55 AMG)
  • Removing/installing the rocker arm shaft - AR05.20-P-2350AU (SL500, SL55 AMG)
  • Check basic position of camshafts - AR05.20-P-6010
    • Checking basic position of camshafts - AR05.20-P-6010RX (SL550)
      • Notes
      • Inspect basic position of camshaft - AR05.20-P-6010-01VB
    • Check basic position of camshafts - AR05.20-P-6010AMG (SL63 AMG)
      • Notes
      • Inspect basic position of camshaft - AR05.20-P-6010-01AMG
    • Check basic position of camshafts - AR05.20-P-6010MC (SL600, SL65 AMG)
  • Set basic position of camshafts - AR05.20-P-6020
    • Set the basic position of camshafts - AR05.20-P-6020AU (SL500, SL55 AMG)
    • Set basic position of camshafts - AR05.20-P-6020RX (SL550)
      • Notes
      • Inspect basic position of camshaft - AR05.20-P-6010-01VB
    • Set basic position of camshafts - AR05.20-P-6020M (SL600, SL65 AMG)
  • Remove/install camshafts - AR05.20-P-6992
    • Remove/install camshafts - AR05.20-P-6992AU (SL500, SL55 AMG)
    • Remove/install camshafts - AR05.20-P-6992RX (SL550)
    • Remove/install camshafts, up to engine 001177 - AR05.20-P-6992ANG (SL63 AMG)
    • Remove/install camshafts, as of engine 001178 - AR05.20-P-6992AMG (SL 63 AMG)
      • Notes
      • Detach, attach camshafts at cylinder head - AR05.20-P-6992-09AMG
    • Remove/install camshafts - AR05.20-P-6992MC (SL600, SL65 AMG)
  • Remove/install camshaft bearing bridge - AR05.20-P-7103AU (SL500, SL55 AMG)
  • Remove/install camshaft adjusters - AR05.20-P-7201
    • Remove/install camshaft adjusters for intake camshafts - AR05.20-P-7201RX (SL550)
      • Notes
      • Loosen/tighten the center valves - AR05.20-P-7201-06VA
    • Remove/install camshaft adjusters for exhaust camshafts - AR05.20-P-7201RY (SL550)
      • Notes
      • Lock the gear backlash compensation - AR05.20-P-7201-05VA
      • Loosen/tighten the center valves - AR05.20-P-7201-06VA
    • Remove/install camshaft adjusters, up to engine 001177 - AR05.20-P-7201ANG (SL63 AMG)
    • Remove/install camshaft adjusters, as of engine 001178 - AR05.20-P-7201AMG (SL63 AMG)
      • Notes
      • Remove camshaft pinion pins - AR05.20-P-7201-07AMG
      • Notes on self-locking nuts and bolts - AH00.00-N-0001-01A
      • Lock the gear backlash compensation - AR05.20-P-7201-05AMG
  • Remove/install solenoid camshaft - AR05.20-P-7295
    • Remove/install solenoid camshaft, left cylinder head- AR05.20-P-7295RX (SL550)
    • Remove/install solenoid camshaft, right cylinder head - AR05.20-P-7295RY (SL550)
  • Remove/install valve springs and/or valve stem seals - AR05.30-P-3500
    • Remove/install valve springs and/or valve stem seals - AR05.30-P-3500BA (SL500, SL55 AMG)
      • Notes
      • Replace valve stem seals - AR05.30-P-3500-02A
    • Removing/installing valve springs and / or valve stem seals - AR05.30-P-3500TS (SL550)
      • Notes
      • Replace valve stem seals - AR05.30-P-3500-02VA
    • Remove/install valve springs and/or valve stem seals - AR05.30-P-3500AMG (SL63 AMG)
      • Notes
      • Replace valve stem seals - AR05.30-P-3500-02VA
  • Remove/install valves - AR05.30-P-3511
    • Remove/install valves - AR05.30-P-3511AV (SL500, SL55 AMG)
    • Removing/installing valves - AR05.30-P-3511SX (SL550)
    • Remove/install valves - AR05.30-P-3511AMG (SL63 AMG)
  • Check, remove, install valve guides - AR05.30-P-3731AV (SL500, SL55 AMG)
    • Notes
    • Knocking out valve guide - AR05.30-P-3731-01AV
    • Insert valve guide, inspect - AR05.30-P-3731-03AV
    • Ream basic bore to repair stage I - AR05.30-P-3731-04AV
    • Inspect valve guides - AR05.30-P-3731-06AV
  • Replace valve seat rings - AR05.30-P-3831AV (SL500, SL55 AMG)
    • Notes
    • Inspection and machining dimensions of valve seat rings - AR05.30-P-3831-03AV
  • Measure valve setback to cylinder head - AR05.30-P-4100-01AV (SL500, SL55 AMG)
  • Inspect valves - AR05.30-P-4201-01
    • Check valves - AR05.30-P-4201-01AV (SL500, SL55 AMG)
    • Inspect valves - AR05.30-P-4201-01VA (SL550)
    • Inspect valves - AR05.30-P-4201-01SLR (SL63 AMG)
  • Checking and machining dimensions for valve seats - AR05.30-P-4510-01AV(SL500, SL55 AMG)
  • Inspecting, removing, installing valve guides - AR05.30-P-4511AV (SL500, SL55 AMG)
• Test & Adjustment Values
  • Test and adjustment values: Passenger cars: Engine timing - BE05.00-Z-9999AZ
  • Timing/camshaft code numbers - BE05.20-P-1000
    • Camshaft code numbers - BE05.20-P-1000-01G
    • Timing - BE05.20-P-1000-02F
    • Timing - BE05.20-P-1000-02J
  • Test values for valves - BE05.30-P-1000
    • Test values for valves - BE05.30-P-1000-01E
    • Test values for valve guides - BE05.30-P-1000-02D
    • Test values for valve guides - BE05.30-P-1000-02F
    • Check values for valve seat rings - BE05.30-P-1000-03C
• Torque Specifications
  • Tightening torques: Passenger cars: Engine timing - BA05.00-Z-9999AZ
  • Timing chain drive, toothed belt drive - BA05.10-P-1000
    • Timing chain drive, toothed belt drive - BA05.10-P-1000-01B
    • Timing chain drive, toothed belt drive - BA05.10-P-1000-01C
    • Timing chain drive, toothed belt drive - BA05.10-P-1000-01H
  • Camshaft, camshaft adjustment - BA05.20-P-1000
    • Camshaft - BA05.20-P-1000-01B
    • Camshaft, camshaft adjustment - BA05.20-P-1000-02I
• Miscellaneous Notes
  • Disposal of sodium-filled valves - OS05.30-P-0001-01A