You might also have an issue with the stop light switch on the brake pedal. Also, when you apply the brakes, the subsequent lowering of RPM might also be triggering Limp Mode, and would not necessarily be related to the brake switch/lights.
You specifically stated the problem occurs only on cold mornings. My car does the same and the cause was traced to a faulty coolant temperature sensor. Once the engine/coolant warms (and, presumably, when the sensor is replaced) the problem goes away.
Quote:
Originally Posted by Paul T
Hi,
My 1995 E320 124 wagon has developed the ASR light on recent cold morning starts, when I hit the brakes; light comes on and car goes LIMP. I tried to restart while coasting in Neutral. No go. STarter was not energized, did not turn over.
Should the car start in Neutral?
Have not pulled the codes yet.
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2008 E350 4matic / Black/Anthracite
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Gone but not Forgotten:
2001 E430 4matic, 206,xxx miles, Black/Charcoal
1995 E320, 252,xxx miles, Black/Grey
1989 260E, 223,00 miles, Black/Black
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