Gone from a Purr to a slight growl ?

Discussion in 'Engine' started by Scooby_Doo, Dec 4, 2019.

  1. Scooby_Doo

    Scooby_Doo Hardcore MB Enthusiast

    Messages:
    876
    Joined:
    Apr 14, 2013
    Location:
    Carmarthen
    Car:
    W205 C250d 4matic
    Or is it my imagination ?
    My C250d has covered just over 10,000 miles and on the way back from a "sprightly" 150 mile run I'm sure I noticed a slight misfire from the engine , now since then the engine note has gone from a purr to a more growly note on acceleration. I've also notice that the revs will blip up slightly ( 100 rpm) on occasion , when taking my foot off the brake at a standstill. Any views or am I imagining it.
    Will probably take it in to MB when I can arrange it.
     

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