Ok.after hours and hours of scouring the net and reading what's posted here. I have a theory, just no time to check whether it's true or not.

The 2 codes are actually circuit malfunction codes. Circuit malfunction codes seem to only appear if there is no power going to the device or high resistance which leads me to assume it's the wiring harness. The thing is, I have never heard of anyone with a 1997 M104 with a wiring harness problem. From what I hear it was basically isolated to 96>.

Any comments welcome.

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1997 Silver AMG C36
OEM Advantegarde Grille
OEM Clear Corners
W210 Blinking mirrors
Eibach/Bilstein Combo
Zender Rear Lip Spoiler