You want the best and it may be even cost effective. I might seek a recommendation from the Mercedes restoration center. They would not tolerate questionable rebuilts.

They may even have an exchange program at tolerable costs. I find suprises on occasions. Not as often as desired but still. Almost sounds like bosh is not enforcing standards at rebuilding shops any more if ever. On these old in line injection pumps.

Too many places in many areas of selling services. Just no longer seem to care much or are just essentially rip off enterprises. It seems to be a growing trend in north America and perhaps in other parts of the world.