Description
Weistec Engineering ECU tune for the Mercedes-Benz Sprinter (2019-2022) with the Turbocharged 3L V6 (OM642). Weistec’s crank figures put the tuned engine at 260 hp and 410 lb-ft, up from 188 hp and 325 lb-ft stock, from a recalibration of the factory ECU software.
Key Features:
- Up to +72 hp / +85 lb-ft: Weistec’s crank estimate of 260 hp and 410 lb-ft, from Dynojet testing; real gains depend on fuel, conditions and supporting modifications.
- Reflash of the factory ECU: the original module is recalibrated rather than replaced with a stand-alone or piggyback unit.
Fitment:
- Mercedes-Benz Sprinter 2019-2022 (3500 / 4500 (W907)) – Turbocharged 3L V6 (OM642)
Not legal for sale or use on pollution-controlled motor vehicles; intended for competition use. Talk to us before ordering to confirm fitment for your car.

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