Quote:
Originally Posted by Zulfiqar
No idea if this helps but I had a strange issue with my 95 E300D, its high speed fans would switch on when started from cold and then go out with an intermittent on off dance at approximately 60C on the gauge. Every single time.
It also caused the A/C to cut out.
The high speed fans are controlled by the push button unit - there was a compound problem of wrong wires in the connector pins and one slightly corroded wire in the main grounding point in the cabin.
For your car I have a thought, when the MAF is disconnected the fans kick on high speed in other similar vintage MB and the car is stuck in limp mode. Your fan going high speed may not be a cause but a "result"
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Interesting...
I did disconnect the MAF which resulted in a drastic change of throttle response so, I assumed it was functioning. Didn't note if the fans went to high speed or not.
I put together a LED code reader for another W140 years ago. Maybe I can use it and see what I find. Although, If it has shorted wires I'm wondering if it will lead me down the correct path.
Touching anything on this thing worries me after reading about the wiring harness issues.
Yep, she's 94 yrs young and was a psychology professor back in the day, still very sharp. I stopped by one day and found her out washing her MB... barefoot.