[W126 Coupe] ASR and Emissions Testing

Richard K. Hallberg rkhallberg at mindspring.com
Fri Dec 2 15:39:01 EST 2011


In Atlanta, GA the emissions test stations perform a programmed test
with the rear wheels sitting on rollers (like a dyno). My 91 560sec
nearly jumped off the rollers with the ASR defeat switch on or off. By
pure luck, I found in the 126 Chassis & Body Manual a note on page 1223
in section 42-0810 that mentions that "The connector from the ABS/ASR
control module (N30/1) MUST BE DISCONNECTED before driving on to the
performance test bench or speedometer tester". I don't recall any
mention of this on mbcoupes or BenzWorld in the three years I have been
a member. Any thoughts??

I will try this trick at the emission test station and report back -
hopefully works.

Richard Hallberg


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