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Tune for c300

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Old Aug 19, 2023 | 11:31 AM
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Mercmiester's Avatar
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C300 15
Tune for c300

I got turned down by a bank for a c43 so I’m buying a tune for the car I have. I see a lot out the oe, German muscle, renntech, burger.

which one gives the most gains (and not just what they claim)? Renntech is 2500 for 30 up me seems like low gains for alot of money. I’m just looking for the tune not modifying intakes etc. mayb a set of coil overs too.

any one have ideas
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Old Aug 19, 2023 | 03:39 PM
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2015 C400 4MATIC Palladium Silver Metallic
JB4 is by far best bang for buck.

I went with Euro Charged Houston (remote tune) after having a JB4 because I take my car to the drag strip regularly and they were willing to work with me to dial my tune in.

Another reason I went with EC is because I wanted a TCU tune so I could actually put the power down to the wheels in the lower gears... careful what you wish for, I'm now traction limited.
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Old Aug 19, 2023 | 04:31 PM
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C300 15
Originally Posted by TwoC400s
JB4 is by far best bang for buck.

I went with Euro Charged Houston (remote tune) after having a JB4 because I take my car to the drag strip regularly and they were willing to work with me to dial my tune in.

Another reason I went with EC is because I wanted a TCU tune so I could actually put the power down to the wheels in the lower gears... careful what you wish for, I'm now traction limited.
Injust found out Brabus tunes so I'm seeing what they have.
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Old Aug 20, 2023 | 03:33 AM
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C300 coupe 258hp Eqboost MY 2021
Originally Posted by Mercmiester
Injust found out Brabus tunes so I'm seeing what they have.
I have a c300 coupe. And traveling if i would have a brabus b30.4 or Lorinser powermodule. Both a respected quality MB. Please tell me later what you choose for tuning
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Old Aug 20, 2023 | 01:34 PM
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2015 C400 4MATIC Palladium Silver Metallic
Personal opinion based on mostly posts on this site across a variety of models.

I don't think you will notice a considerable difference in absolute performance between ANY of the pre-made tunes on the market. Some do have the power come in in different ways.

The open secret here is that almost all the major players have access to each other's tuning data to one extent or another.

At the end of the day, your paying for:

1: A name brand.
2. The way the tune is flashed (handheld, onsite, remote cable)
3. The tuner's willingness to work with you if you commit to data logging with some useful measurements (track or draggy times)
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