2009 Mercedes Benz CL63FACTORY OEM SERVICE PROCEDURE

Torque interface for ME function - GF07.61-P-4014AMG

ENGINE 156.980 in MODEL 164, 251 up to Model Year 8Β 

ENGINE 156.982 in MODEL 209Β 

ENGINE 156.983 in MODEL 211, 219Β 

ENGINE 156.984 in MODEL 216, 221 up to Model Year 8Β 

Fig 1: Identifying ME Function Torque Interface CAN Communication Diagram
G07303988Courtesy of MERCEDES-BENZ USA

The function torque interface coordinates and prioritizes all engine torque requests from the vehicle systems. At the same time, the dynamics of the conversion for each requirement are established.

The engine torque is modified as follows:

  • Increase or reduction of injected volume
  • Advanced or retarding the ignition angle

If one increases the injection quantities and at the same adjusts the ignition angle to "retarded", the engine torque initially remains unchanged. However there is the possibility to achieve subsequent rapid increase in the engine torque due to timing advance of the ignition angle (engine torque reserve).

The following systems can require changing of the engine torque:

  • Driver
  • Transmission control
  • ESP
  • Engine torque limitation when driving off (ASR)
  • Cruise control or DISTRONIC
  • Limitation of engine speed and max. speed
  • Ancillary assemblies (such as the alternator and power steering pump)
  • Automatic air conditioning
  • Idle speed control
  • Deceleration fuel shutoff
Component description for fuel injection valves Y62y1-Y62y8 GF07.03-P-6010AMGΒ 
Component description for the ME-SFI [ME] control unit N3/10 GF07.61-P-6000AMGΒ 
Component description for ignition coils T1/1-T1/8 GF15.10-P-2100AMG
Component description for accelerator pedal sensor B37 GF30.20-P-2010AMG
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.