1995 s500 ABS ASR light on. Speedo went inoperative. Wont exceed 4500RPM

[l7tom]

As I had previously posted on the 1995 Mercedes S500. ABS ASR LIGHT ON. No Speedo, no engine operation under any circumstance over 4500RPM, Park, Neutral or any forward gears. I ran down what I could, and paid to have it scanned at the local independent Mercedes shop. They said the only thing wrong was the Brake Pedal Switch, about $17.00 for the part. I am sceptical, I even read the print out. Is it possible this part has caused all this to go wrong?

Thanks,
TOM

[Arthur Dalton]

Originally Posted by l7tom

As I had previously posted on the 1995 Mercedes S500. ABS ASR LIGHT ON. No Speedo, no engine operation under any circumstance over 4500RPM, Park, Neutral or any forward gears. I ran down what I could, and paid to have it scanned at the local independent Mercedes shop. They said the only thing wrong was the Brake Pedal Switch, about $17.00 for the part. I am sceptical, I even read the print out. Is it possible this part has caused all this to go wrong?

Thanks,
TOM

Definately the MOST common ASR fault , bar none.
My only concern would be the speedo, but that one is full electronic, so that is possible.

Many guy change it before they even do a code check b/c it is so popular...kinda second cousin to OVP relay for common failure part..

"OK, Alex, I'll try Benz for $600.."

Ok .Brake Light SW ..Brake Light SW..

Tick-Tock Tic-toc

" Ummm..What causes ASR limp ???"

"Bingo..you win' "