If you are considering buying a MB with an M157 or M278 in 2025 you may want to consider purchasing a 2016+. These have upgrades to the cylinder lining and the valve seats.
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Palm Beach International Raceway Bid Update Race Manager Selected
A big step in our bid is getting the right raceway management team in place.
Our Business Plan for Palm Beach International Raceway
Executive Summary: Palm Beach International Raceway Multi-purpose raceway with product manufacturing and testing for tuners such as TunedMercedes. To provide a world-class motorsports experience for enthusiasts of all levels through diverse events, including drag racing, autocross, off-road courses, go-kart racing, product testing, and concerts. Our mission is to create a […]
Laying Carbon Fiber Directly on PVA Printed Parts
I am testing using PVA printed parts and laying CF right on top. This is an interesting solution to me to test because the PVA itself is water soluble. Additionally I am using a Carbon Fiber Tube versus laying cut pieces of carbon fiber. Some things I’ve noted are that […]
Tuning a Naturally Aspirated Car like M156 or M113
When you tune a naturally aspirated car the method and goals of tuning will be different.
M177 Timing Guide Issue
Recently I have been hearing reports of broken timing guides from owners of M177 C63 and GLC63. These manifest with a tek tek tek sound that goes away after several minutes. Fixing the issue is approximately 8k from a dealer and 4k from an indy. If you let this go […]
m157 tune video
customer video of m157 calibrations by tunedmercedes
What to do after flashing your ECU or TCU
After flashing your ECU or TCU you will want to make sure that the computer has a chance to exit programming mode and restart with the new calibrations loaded. In this case it is important to unhook everything, turn off the car, and close the drivers door for 2-3 minutes […]
haider mercedes service and tunedmercedes e63 sc vs weistec cls55
TunedMercedes partnered with Haider to deliver a custom tune on a m156 sc, check it out vs a weistec cls55
What makes an air intake system the best? Responding to $2500 air intakes
when the top cars do not run the “best” air intakes are they really the best? Can CFD show the effects of deformation of silicone in the rear world? Some people are claiming their silicone air intakes are the “best” but without numbers that clearly show they are different from […]
Some Tips on Designing Products
While there are many people who are better at this I thought I would provide some ideas on how to design air intakes and other items. The first is to mock up things using old school techniques, cardboard, measuring tape, pen and paper. Then you can start to move to […]
Reducing Discounts in 2025 to Increase Capabilities
The operational cost has increased as I get better tools to work on more cars. For this reason we will have to stop discounting as deeply and as a result our pricing may increase for orders in 2025 vs 2024. Some of the tools acquired in 2024: hexprog ii garage […]
M177 Issues Update 1
I made a video about a year ago covering some commonly reported M177 issues. In this video I update this video with better presentation of existing data and new data.
How TunedMercedes Improved Their 3D Prints
In this video I talk about some steps we have taken to get better quality 3D prints. One thing to note is that this video does not address the physical maintenance on machines which is perhaps even more important than the topics covered here. This video assumes you have a […]
Turbo Air Intake Design Considerations
I realized reading some posts that many people believe the ideal air intake for a turbo car to be the same as a naturally aspirated engine, and there are some differences. On a naturally aspirated engine the ideal air intake will provide a balance of cold dense air and work […]