sounded like this when i first bought it.
Ticking sound on a 1982 Mercedes-Benz 300 D Turbo - YouTube

this is what it sounds like now but a little louder at times. not my vidoes btw and i left the car back at my parents house so i cant record the noise.
85 300D Mercedes engine knock - YouTube

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84 300sd 2.47 dif 360k
26 mpg needs lots of love
given to me in pitty

89 civic hatchback auto 140k
33mpgs soon to be low to mid 40's
been in the family since mile 1

85 300d with unknown knock. driven over 30k with knock and still going. sold for $800