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Mercedes-Benz · Engine

Turbo oil feed and return lines

The small pipes carrying oil into the turbo bearing and draining it back to the sump.

How you know it is this

  • A turbo that has failed early
  • Oil leaking around the turbo
  • Blue smoke with a turbo that is otherwise sound

Worth knowing before you buy

  • The feed line coke up internally with carbon, and a restricted feed is the single most common cause of turbo failure.
  • Always renewed with a turbo. Fitting a new turbo to an old, restricted feed line is the classic way to destroy it within weeks.
  • A blocked return line is just as damaging — oil backs up and is forced past the seals.

What we need to quote it. The engine code. The chassis number settles the generation, the body and usually the engine in seventeen characters — it is on your mulkiya. A photograph of the old part helps where there is more than one version.

TurbochargerActuator and wastegateOil feed and returnCharge pipesIntercoolerBoost pressure sensor
Turbo and charge air — schematic, to show where the part sits. Arrangement is right; it is a diagram and not a fitment reference.

Rest of the forced induction

All engine parts
Get in touch

Turbo oil feed and return lines for your Mercedes-Benz?

Send the chassis number and a photograph of the old part. We come back with genuine, OEM and aftermarket options priced side by side, with lead times.

Mon–Sat, 8:00 AM – 6:00 PM · +971 54 303 3119 (Operations Director) · +971 54 241 0599 (Managing Director)