< >>

There is no pin 3 on yours as pin 3 is for USA emmissions
only with a Check Engine warning lamp system,,
However, as Jim F points out, pin #8 is Both HFM and SFI
module, And the E320, 124 chassis being the same system
and diagnostic plug, is prob close to/or same...

Why not give 8 a try and we can compare what you have for codes ....