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Already Changed Them.
Quote:
Originally Posted by brooktre
You can try replacing the brake light bulbs. The system is very sensitive and mine was triggering intermittent bas/esp errors when I had a headlight bulb that was going out. I didn’t find it until the bulb blew out. Changed it and had no further problems. Since yours seems to be triggered only when you hit the brake pedal it must be something in that electrical system. It is also possible that you got a bad brake light switch from MB. I don’t recall ever seeing a procedure for testing them - just replace.
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Already changed all the bulbs with the correct wattage bulbs on the entire car. I will reorder the Brake Light Switch, but does anybody know if it can fail intermittently or would it just fail period? Also, I will be changing the voltage regulator, the voltage is never stable. it jumps all around from 13.3 to 13.9 at idle with all accessories off. never have I seen 14 volts (reading from the OBD2 Port) I will re-clean all the grounds again and hope that helps. I will also clean the Positive terminal in the engine bay.
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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"
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