I have just completed an oil change on the car, car is now much smoother.

I have also fitted the replacement OEM intercooler so now I don't have any boost leaks.....OMG its now quick! I am getting front end lift even with an estate and you do get pinned back to your seats.

Ironically the boost gauge I have also fitted is causing a boost leak so I will be sorting that out asap.

The car seems to boost to around 18psi then drops to around 14psi (although my boost gauge is leaking so I don't truly know the full boost reading!

Anyway, its much much better now, much more responsive and the acceleration is brisk to say the least! I have no idea how long its been running with the damaged intercooler but several years I think would be the best guess looking at the volume of muck it has attracted.

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UK spec Mercedes W210 E300 Turbodiesel wagon - OM606.962 with 722.6 transmission - rust free!