Originally Posted by jrome74
I'm wondering if I can do a DIY tune up of my 2001 ML 430. Has anyone done this? Does anyone have step by step instructions?
The ML has electronic ignition system so a tune up is basically changing spark plugs and spark plug cables, air filter change and if there are bad ignition coils you should replace it too. There is no need for distributor or rotor or timing gun. Yes it is a DIY, just do a search.