Air Intake leak
MERCEDES-BENZ C-Class Coupe (C204)
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Engine rough when started
MERCEDES-BENZ C-Class Convertible (A205)
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@user_1423577 Feb 23, 2023MemberWhen I start my car the engine sounds very rough for about 3 seconds then it clears and then quiets down and runs smoothly. The sound it makes is like the tapits are all out of sink!It’s quite embarrassing coz it’s quite loud and sounds so rough, but after about 3 seconds it clears.Anyone experienced this problem ?
Reply 23.02.23 
09.03.23 - @Compearid Mar 09, 2023MemberAccording to the description, as I understand it, the sound is made by hydraulic compensators, which do not hold pressure and after starting knock until they are pumped with oil, the only solution, as far as I’m concerned, is to replace them.Reply
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