1994 Mercedes-Benz C280 Q&A

1994 Mercedes-Benz C280 Question: the second issue I am experiencing is the engine idle keeps fluctuating

the idle fluctuates up and down and some times it will be steady but mostly it keeps fluctuating,any advise would be appreciated ,what are the possible causes. -
Answer 1
poss dirty throttle body. have throttle body cleaned and see if that helps to start with -