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Autodata Technical Issue 38 – Rattling noise from engine bay on 2013 Mercedes-Benz A-Class

Autodata Technical Issue 38 – Rattling noise from engine bay on 2013 Mercedes-Benz A-Class

30 September 2020

Each month the Autodata team answers a common technical question and provides a printable document with technical diagrams to download and keep, exclusively for IGA members.

Q. We are having difficulty finding the cause of a rattling noise from the rear of the engine bay on a 2013 Mercedes-Benz A-Class 1,5 Diesel when the engine is idling. The rattling noise can be heard when idling or on light throttle, but we cannot find the location of the fault. Have you come across this rattling noise before?

A. We have come across the rattling noise you have described, and it affects several Mercedes-Benz models with 607.951 engine code up to 10/2015. The cause of the rattling noise is the turbocharger (TC) outlet pipe retaining clip becoming insecure.

Fit a new turbocharger (TC) outlet pipe retaining clip available from Mercedes-Benz parts department (Fig 1.1). Start engine and confirm the rattling noise has been rectified.

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