Replacing mercedes benz turbo intake pipe

Mercedes-Benz Turbo Intake Pipe Replacement

Need to replace your Mercedes-Benz turbo intake pipe? By following the procedures below, learn how to remove and install your turbo intake pipe. This guide provides instructions on how to replace turbo intake pipes on a Mercedes-Benz M278 engine.


Symptoms

  • Poor acceleration
  • Too much exhaust smoke
  • Check engine light on

What you will need

Parts

  • Mercedes-Benz M278 Upper Intake Turbo Pipe
  • Mercedes-Benz M278 Lower Intake Turbo Pipe

Tools

  • Screwdriver

Procedure

  1. Park the vehicle on level ground and set the parking brakes.
  2. Allow the engine to cool down.
  3. Pull the hood release under the dashboard and open the hood.
  4. Remove the top turbo pipe (air filter to turbo) using a screwdriver to loosen the upper clamp retaining screws.
  5. Loosen the lower retaining clamp by using a screwdriver. Once lost, you may pull the pipe.Intake1_removal
  6. Remove the lower turbo pipe (turbo to intake manifold) using a screwdriver to loosen the pipe’s upper retaining screws.upperBottomPipe
  7. Loosen the lower retaining clamp using a screwdriver; pull the pipe forward to remove it once loose.lower_clamp
  8. Install the lower turbo pipe by loosening the lower clamp using a screwdriver.
  9. Push in the top first, insert the bottom part, and push.lowerBracketPush
  10. Tighten the upper screws. tightenbottomupper
  11. Tighten the lower clamp screw.tightenlowerclamp
  12. To install the Top pipe, insert the pipe bottom first.upperturbopipepointing
  13. Line up the Top pipe’s lowest part with the turbo inlet.
  14. Position the top turbo pipe bottom first, then the upper part, then push.upperhose positioning
  15. Fasten the clamp at the bottom using a screwdriver.
  16. Fasten the upper part retaining screws.

Frequently Asked Question

How do you know your turbo intake pipe is bad?

  • You may experience poor acceleration, bad fuel economy, and too much exhaust smoke. Dirt may enter the turbo and cylinders.

Can you drive a Mercedes-Benz with a bad turbo intake pipe?

  • Driving a car with a bad turbo pipe would not be economical and is not recommended.  Dirt may enter the turbo and cylinders.

Applications

Mercedes-Benz vehicles are equipped with M278 engines.

M278 engines

  • 2011–2017 S 500/S 550
  • 2011–2014 CL 500/CL 550
  • 2015-2017 S 500 Coupé/S 550 Coupé
  • 2011–2018 CLS 500/CLS 550
  • 2012–2020 SL 500/SL 550
  • 2012–2014 E 500/E 550
  • 2012-2014 ML 500/ML 550
  • 2013–2014 GL 450
  • 2013–2019 GL 500/GLS 500/GL 550/GLS 550
  • 2016–present BAIC BJ90 (an SUV from Chinese brand BAIC based on the second generation Mercedes-Benz GL-Class)

We hope you find the Mercedes-Benz Turbo Intake Pipe Replacement guide helpful. Check these troubleshooting and repair guides for more help on your Mercedes-Benz.

Author

  • Rushit Hila • ASE Certified

    Rushit Hila, an ASE-certified engineer (G1 Automotive Maintenance and Repair), brings over two decades of hands-on experience in the automotive world to his writing. With a strong educational background, including a Master of Science in Engineering and a Bachelor of Science in Engineering, he has honed his skills and expertise through years of practical work. As a respected authority in the field, Mr. Hila is dedicated to offering insightful and valuable content that resonates with both vehicle owners and mechanics.

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