190E MB High idle at 1500 rpm, Help

Easy start but high idle at 1500 rpm after warm up, how to check to lower the idle at 800 rpm ? there is a small adjust screw with a retainer nut about
6-8 mm located left lower side of throatbody. Is this the adjustable idle screw ?
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Check the throttle cable and pedal first and make sure they are free.
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Yes, checked throttle cable/pedal are free, what's the next ?
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alilu wrote:

Looking from front of engine (mine is a UK 190e 2ltr) look a the centre of the Air cleaner box along the centre of rocker cover you will see an indent in the air filter box at the base look into this hole you will see a large screw head turn this oeither way you should be able to adjust the rpm/s This is what I did after having a recon head fitted as mine idled high
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