It could be your Brake Light Switch. My 2001 E430 wouldn't go into gear from parking and the ABS ASR light was lit. The switch cost about $24.00. It is located behind your brake pedal.
The ASR (Acceleration Slip Regulation) yellow triangle warning light on a Mercedes-Benz S500 typically indicates a problem with the traction control system. To fix this issue, start by checking the wheel speed sensors and their wiring for any damage or dirt. Additionally, ensure that the brake fluid level is adequate and that the ABS system is functioning correctly. If the problem persists after these checks, it may be necessary to use a diagnostic tool to read any fault codes and address specific system failures.
parliamo
Not much you can do to fix an ABS module. Replace it with a new one.
Take it to a qualified mechanic for an ABS diagnostic or spent $2000 in parts hoping one will fix it
replace abs sensor on back axel.
It depends on what is wrong.
Fix the fault in the ABS system
My dealer says the ABS modulator is bad. He is ordering this $1100 part and it should fix the problems. Fortunately it is under warrenty. Without the fix, the ABS will not work.
Bring to a shop that has an ABS scanner to determine the problem
How to fix tele aid "SOS" malfunction in 2002 Mercedes C240.?
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got a sti jap import the abs light is on what do i look for to sort it