VR Tuned

VRT-MB-W221-S420-CDI

VR Tuned ECU Flash Tune Mercedes-Benz S420 4.0L CDI W221 06-09

EAN: 0097989836782

UPC: 097989836782

ECUs

Crank Horsepower Ratings: Stock Power: 320 HP | 538 lb-ft(730 N-m) Tuned Power: 362 HP | 607 lb-ft(823 N-m)
This requires the ECU to be mailed in to us to be benched flashed
The VR Tuned flash client exports out your original file so you may flash your car back to stock at anytime
Removing the ECU takes about 20 mins
For reference, this ECU is a BOSCH - EDC16 CP36

Upon ordering of this ECU Flash Tune, we will send you a Fedex Overnight Label via email. This includes insurance and once we receive the ECU and program it, we will ship it back to you via the method you select at checkout . Bench flashing requires the ECU to be opened. We DO NOT solder or modify your board in any way. Using a electrical contact pins, we tie into the boards programming mode to read and write the file. We do store your stock file if you ever want to revert. Because the ECU must be removed and opened, if you are concerned with warranty, you may want to speak with your dealership. Removing the ECU takes about 20 mins. If you do not want to send your ECU in to be bench flashed, you can get our OBDII device which will allow you to flash your ECU via the OBDII port. This device called the Powergate allows you to read and write to the vehicles ECU and stores different maps that suit your needs. With the VR Tuned ECU Flash, basic bolt-on performance parts will not require a retune of your ECU. Adding parts such as an exhaust, air intake, intercoolers, plenum, will all adjust with the tune. If you add higher octane fuel, the ECU will adjust accordingly. Anytime you add higher octane, the fuel will burn slower providing your vehicle with improved performance. We never recommend using leaded gas such as C16 as this will destroy your O2 sensors and catalytic converters. Further custom tuning is available with provided dyno sheets or datalogging. We can provide you a tuned file no matter the octane you get or the environment you live in. We do both EU and USA vehicles running 91oct (95ron) or 93oct (98ron). We test and dyno tune on our own cars to make sure what you get is safe, reliable, and gives you the results you want! If you have any questions about this ECU Flash, please contact our friendly support team!
Fitment: Mercedes-Benz W221 S420 4.0 CDI OM629DE40LA 2006-2009 For reference, this ECU is a BOSCH - EDC16 CP36

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