I've had a Mercedes since Valentine's Day of this year, and to finally have a problem after a little over 2 months, I consider myself fortunate lol Occasionally, the lamp out light will come on, but usually go away later in the day.

I was driving the car to get sushi tonight and about halfway on the trip the BAS ASR light came on and the dash said anti slip regulation, so I'm consulting ye olde Google for some ideas as to what is causing it so hopefully I can knock it out relatively easily. Cross your fingers for me.

ABS sensor is my first guess

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The OM 642/722.9 powered family
Still going strong
2014 ML350 Bluetec (wife's DD)
2013 E350 Bluetec (my DD)

both my kids cars went to junkyard in 2023
2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles)
2008 E320 Bluetec (Younger son's DD) injector failed open and diluted oil with diesel, spun main bearings (240k miles)

1998 E300DT sold to TimFreeh
1987 300TD sold to vstech

Might be the brake switch at the pedal.

Systems can go crazy under low voltage so it might be a tired battery.

Sixto
98 E320s sedan and wagon
02 C320 wagon

Make sure you did not bump the switch (that turns it off) to "off".

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Jim

Oh yeah forgot about the brake pedal switch on the 210 this is a weak point.

The switch has 2 sets of contacts, one turns on your brake lights and the other goes into the control system. If this contact fails it causes all kinds of issues with controls.

It is not expensive and easy to change. It is at the pivot point of the brake pedal under the dash and just clips in.

__________________
The OM 642/722.9 powered family
Still going strong
2014 ML350 Bluetec (wife's DD)
2013 E350 Bluetec (my DD)

both my kids cars went to junkyard in 2023
2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles)
2008 E320 Bluetec (Younger son's DD) injector failed open and diluted oil with diesel, spun main bearings (240k miles)

1998 E300DT sold to TimFreeh
1987 300TD sold to vstech