Quote:
Originally Posted by frankenm
1. If its leaking now change it or it will get worse, it has already failed.
2. $3.5k is a lot but that is the trend with the s63 in general ... I would recommend doing both while your in there DIY shouldn't be too difficult maybe a 5/10 on difficult scale just a bunch of things to take apart to get there.
Should also replace gaskets #5 and O-ring #12 while you in there as well.
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Any special tools are needed for this DIY job? I heard horror stories on removing and re-seating back in a proper way fuel injectors. Any truth in that?