It's an injector for sure - replace all 5 with new. Replacing the nozzle is easier, but then you have to have them set to PSI and pop tested.

Replace all, do a diesel purge and finish it with a valve adjustment and throw in a fresh oil change. You'll be laughing!

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1976 Mercedes 240D (Sold)
1985 Mercedes 300D Turbo Diesel: 500,000KM
1986 Mercedes 300E (Sold)
1988 Mercedes 300E (Sold)
2002 Mercedes C240 (Sold)
2008 Mercedes C350 4matic

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