Mercedes-Benz CLA45 AMG Intake 2014+
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Interested in picking up our Mercedes CLA45 intake system? Check out our product page for more details.
We've been working on this Mercedes cold-air intake for months, and finally we have arrived at our last test fit. After constructing a final prototype of our Mercedes air intake, we phoned our test vehicle owner and wrangled him into coming down to our headquarters for another day. A big "thank you" to the vehicle owner for the use of his CLA!
Installed Shots
Everything fit into place perfectly and looks fantastic! First, take a look at our final silicone intake inlet hose and pressure-sensor flange.
Mishimoto silicone intake inlet hose (left) and pressure-sensor flange (right)
As we've discussed in previous portions of this series, these components are key in producing the power gains we saw when we tested our kit. Next, we installed the intake into the vehicle. Check it out!
Mishimoto intake system installed
Mishimoto intake system
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Interested in picking up our Mercedes CLA45 intake system? Check out our product page for more details.
Mishimoto CLA45 AMG intake system
It is a pretty exciting week here at Mishimoto! All our final prototype components for this awesome intake system have arrived. We have plenty of images to share, and we are excited to get our test vehicle back in the shop to confirm our final design.
Final Prototype Inlet Hose
One of the most discussed pieces included in this kit is our turbocharger inlet hose. This piece connects the turbocharger compressor housing to the airbox unit and is a vital component within the system. A couple of sensors are located within the stock unit and must be retained on our design.
The stock inlet hose is of a rubber material; our counterpart is constructed from a combination of silicone and CNC-machined (CNC) aluminum. We were able to mold our CNC aluminum sensor housing into the hose itself, creating a leak-free
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Interested in picking up our Mercedes CLA45 intake system? Check out our product page for more details.
Inlet Tube Test Component Fabrication
Time for the fun part, dyno testing! Before putting the AMG on our dyno, we needed to make a quick adjustment for our tests. As mentioned in our previous posts, we created the inlet tube with our 3D printer for this intake, but with the close proximity of this component to the exhaust and turbocharger, we were a bit concerned with it melting or deforming during our dyno runs. We decided to fabricate an aluminum prototype to better handle the heat.
We started with some aluminum pipe and our template 3D-printed design.
Inlet tube fabrication
Inlet tube fabrication
This project has created an interesting challenge for our engineers in terms of metal fabrication.
Inlet tube fabrication
Inlet tube fabrication
Our fully tacked aluminum inlet tube!
Inlet tube fabrication
Once we verified all the dimensions,
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Interested in picking up our Mercedes CLA45 intake system? Check out our product page for more details.
Mishimoto intake 3D render
When we last left off we had finished the evaluation of the stock intake system, and the design of our prototype had commenced. Our first component is the turbocharger inlet tube, which mounts to the compressor inlet. Check out a few shots of our 3D-printed design!
Inlet Tube
3D-printed prototype inlet tube
3D-printed prototype inlet tube
3D-printed prototype inlet tube
Although our inlet piece may emulate the stock unit in terms of ports and features, the two are actually quite different. Check out the comparison shot below showing the stock inlet tube and our prototype unit.
Stock inlet tube (left) and Mishimoto inlet tube prototype (right)
The stock tube essentially bumps from the filter size directly to the small OD of the compressor inlet. This creates a wall at the end of the tube which may result
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Interested in picking up our Mercedes CLA45 intake system? Check out our product page for more details.
CLA45 AMG in shop
CLA45 AMG in shop
We put out feelers on a variety of forums and through our vendor channel, and we received numerous offers from vehicle owners. We eventually worked out a schedule with the gracious owner of this vehicle and set to work developing our first component for the AMG.
CLA45 AMG in shop
Stock Intake System
Before jumping into product design we needed to take a look at the stock intake system. This would allow us to properly evaluate the system to determine where improvements could be made. Below we have a few shots of the stock engine bay.
Stock engine bay
Stock engine bay
And the stock airbox and intake duct are shown in the image below.
Stock engine bay
Next we removed the intake system so we could examine each component and begin organizing our ideas and plans for the Mishimoto intake.
Stock intake
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