After long research, testing and many failures we are now able to refill leaked ambient temperature thermometers. It will get new capillary tube, new stainless braiding and new PVC tube with OE grommets. Protection spring is zinc coated. We are now able to repair both engine temperature and ambient temperature gauges.
600 #796 (1967 US version)
300SEL 6.3 #1285 (1969 EURO version)
300SEL 6.3 #5346 (1971 US version project)