LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mercedes Benz >> 2007 >> E320 >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Mixture Formation >> Basic Knowledge >> CDI AC compressor shutoff, function - GF07.16-P-3010P
April 5, 2026: LEMON Manuals is launched! Read the announcement.

CDI AC compressor shutoff, function - GF07.16-P-3010P

ENGINES 642 in MODEL 164.8/1, 203.2, 251.1, 203.0, 251.0 up to model year 2008/YoM 07 

ENGINES 642.9 in MODEL 463 

ENGINES 642 in MODELS 211.0/2, 219.3, 211.6, 209.3/4 

A functional requirement for the AC compressor shutoff function is the AC system is running. The CDI control unit (N3/9) receives the message "COMP_ON" (refrigerant compressor (A9) activated) over the Controller Area Network bus Class C (engine compartment) (CAN-C) from the EIS [EZS] control unit (N73). Where the following requirements are met, the CDI control unit interrupts actuation of the refrigerant compressor:

If the conditions for the AC compressor shutoff function are no longer satisfied, then the refrigerant compressor is reactuated by the CDI control unit.

Component description for crankshaft Hall sensor B70 GF07.04-P-6220P 
Component description for CDI control unit Model 203, 209
N3/9
GF07.16-P-6000P
Type 211,219
N3/9
GF07.16-P-6000T 
Model 164, 463
N3/9
GF07.16-P-6000GZ
Model 251
N3/9
GF07.16-P-6000RT
Accelerator pedal sensor, component description Model 203, 209, 211, 219
B37
GF30.20-P-2010P
Model 164, 463
B37
GF30.20-P-2010GZ
Model 251
B37
GF30.20-P-2010RT