Engine doest run smooth and its not pulling as it should.
What is your question?
The car was making that noise like when the sparks plug are out and they wasnt bad however I changed the sparks plug 5 month ago got the original ones with the mercedes badge on them. it ran quite good but after 4 months the issue occured again. a month ago i had the air mass flow meter replaced too.i dont know whats causing this issue and im also thinking of sparks plug wires so if you could suggest me anything .thanks in advance
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