Description
TuneZilla M276 – 3.5L ECU Tuning for Mercedes
Available through United Performance
TuneZilla calibrations are flashed through your vehicle’s OBD port with a FlashZilla device: read your factory file, download your chosen tune from the InstaTune server, and write it in. Switching between tunes or back to stock later uses the same tool.
Power & Torque
Factory baseline on TuneZilla’s dyno: 260 whp / 232 lb-ft — 306 hp / 273 lb-ft at the crank.
- Stage 1 — 272 whp / 245 lb-ft — 320 hp / 288 lb-ft at the crank (+12 whp / +13 lb-ft over stock)
All figures are TuneZilla’s own published dyno results, not a United Performance measurement, and are indicative rather than guaranteed.
Available ECU Tunes:
- Stage 1 — $865.56 CAD
Add-Ons (bundled pricing):
- Cat Delete — Cat Delete (add $143.06 CAD)
Fitment:
- Mercedes C300 M276 – 3.5L 2012-2014
- Mercedes C350 M276 – 3.5L 2011-2014
- Mercedes CLS350 M276 – 3.5L 2011-2014
- Mercedes E400 M276 – 3.5L 2012-2016
- Mercedes E300 M276 – 3.5L 2011-2014
- Mercedes E350 M276 – 3.5L 2012-2016
- Mercedes GLK350 M276 – 3.5L 2012-2015
- Mercedes ML350 M276 – 3.5L 2012-2015
- Mercedes R350 M276 – 3.5L 2012-2014
- Mercedes SLK350 M276 – 3.5L 2011-2015
- Mercedes S350 M276 – 3.5L 2011-2013
- Mercedes S400 M276 – 3.5L 2013-2017
- Mercedes GLE350 M276 – 3.5L 2015-2018
FlashZilla tool — the flashing device is required to load any of these files. Add it to your order from the FlashZilla Tool option above for $205.00 CAD; if you already own one, leave it set to No and only the software is supplied.
The tune itself is delivered as a software file for your own FlashZilla device — no parts ship unless you add the tool.
