Mercedes-Benz C400 Tune
Performance Tunes for the Mercedes-Benz C400
Unlock your Mercedes' power potential by tuning with our OBD flash option! Unleash the power of your C400 with our proven and tested tunes!
Gain 90-120+ WHP with our simple flash tuning!
This tune REQUIRES the use of a Shinji Tuned flash device.
Existing customers who already have this item in their possession may choose the option to exclude the purchase of another device.
New Customers should select the "Add Flash Device". Once a tune and device are purchased, the flash device will be shipped to your mailing address. Upon receiving the device, please save a back up copy of your ECU's ROM and email it to us as an attachment, please include your order number, name, car make and model in both the file name and email title.
Once the file is received, we will send you the tuned file within 48 working hours, then simply flash the tune to your car and enjoy your newly unlocked power!