Ok so if you read/responded to my post concerning BAS/ESP Failure Warning, then you know it was linked to the brake light failure. However the brake light failure was the mystery, well, until now.

It turns out that the head light switch (assembly) is the culprit in the brake light failure and not the brake light switch!!

So if any of you are experiencing a brake light failure after replacing the switch, or even before, check the head light switch (assembly)

The "Stealership" has quoted me $300.00 for this part. Do any of you have a better place to purchase the part?

2000 E55 AMG

P.S. I still don't understand why MB would link such an important System (ESP, BAS, ABS) to the brake lights or the head lights and their switches.

I know this is an old post but I wanted to confirm this. I had odd problems with my tail light on the right side. Dim tail light mostly. I was concerned but what can I do, you know. Well, my headlight switch failed, felt like gravel inside and lights would not work. I did buy a new switch from the dealer for $68 and it was an easy install. I'm all set and the dim tail light was fixed also.

I had two quotes for the switch, one for $93.00 and one for $68. I installed myself, real easy.