Hello again! I have had intermittent issues with my BAS/ASR light coming on. I was able to clear the issue with restarting the car. Now it is persistent so I replaced the Brake light witch with a Genuine Mercedes Brake Light Switch, and made sure to pull it out all the way prior to installing it. I also did a resistance check prior to install. 0 ohms extended, 0L when depressed. The BAS/ASR light comes on the MOMENT you touch the brake pedal, and the all 3 brake lights do not work. I also locked the wheels left to right multiple times. I'm convinced it has to due with the lights. The #2 fuse in fuse panel (driver side interior) is good. What else can I do? I have big trip coming up and this is the last thing in need. I have heard the Illumination control panel**?? can play into this? Could it be a K40 Relay? I'm at wits end and I can't find anything on the whole internet to help, the information drops off after brake light switch replace and/or the issue resolves itself.

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1999 E300D OM606, 278,000 km (Daily)
1984 Camry Turbo-D, 319,000 mi (Sold)
1992 300D OM602, ~450,000 mi (Sold, Blown Head)
1999 F250 7.3 Powerstroke, 243,000 mi (Sold)
1996 VW Passat TDI 110,000 mi (Sold) "The first Diesel"