Ticky tocky M157

robin.large

robin.large

Senior Member
Joined
Sep 11, 2019
Messages
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Your Mercedes
CLS C63 AMG 2013
So, ticking noise, mostly at idle, drivers side (UK) rear of engine. Pretty sure that's the high pressure fuel pump. (It isn't a sticky lifter)
Anybody any suggestions. Will a new pump be any better or is this just a design issue?

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