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Engine Tune HHT (SPRINTER)

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Owl worked directly with the engineers are Renntech to develop this proprietary ECU upgrade that offers significant gains in both power and torque without sacrificing daily driver reliability. This maximizes the already capable Sprinter’s ability to transport large cargo or tow large loads without degrading performance.

2022 Sprinter Vans now available!

Product Highlights:

  • Fits: Sprinters 2010-2021 & 2022
  • Tunes for both: V6 and 4-cylinder vans
  • Add 80hp and 97lbs of torque (V6 Diesel engine)
  • Typical install takes about 5 mins
  • Designed to be CARB compliment and maintain all emissions systems on the van. Increases power through efficiency and boost without sacrificing environmental concerns. 
  • Includes HHT which allows you to tune or convert back to stock quickly and easily (about 2 mins)
  • Works with Pedal Box and Pedal Control 2.0
  • Install is a simple DIY. Professional Installation at an Owl facility is additional

For Renntech products, the product software cannot be programmed without your VIN number. The products won't work unless we have this information.  Please 

email a pic of your VIN to our email: or call (415) 523-4685, so we can associate your VIN to the Renntech unit. Please know that we cannot ship the Renntech products without programming them first.

Stock Performance (2019 VS30):

  • 185 HP / 325 LB-FT 

Modified Performance (2019 VS30):

  • 265 HP / 422 LB-FT


  • +80 HP / +97 LB-FT


Owl has worked closely with Renntech to not only add performance but also increasing engine efficiency and maintain all emissions systems on the vans. This means that you can gain performance while taking care of the environment. Renntech and Owl are presently in the process of gaining CARB approval on the tune. While Owl and Renntech have engineered this tune to maintain all emissions system, it is the customer's responsibility to understand your local laws and restrictions.

**Product is for off-road use only in California until we are finished with CARB testing. Note, we have done independent testing and the tune does not increase tailpipe emissions**

Tuning is available for Mercedes Sprinter, Freightliner, Dodge, and Airstream Vans equipped with the 3.0L V6 Diesel Engine. 

  • Includes HHT which allows you to tune and set back to stock without a trace as many times as you want

  • All Stereo and remote starters/auto-starters such as MidCity must be unplugged or disconnected prior to attempting to install the tune. FYI Storyteller Beast Modes have a Midcity auto-start that needs to be disconnected during installation.

  • Works with Pedal Box (after Renntech install, re-perform the “perfect tune” on the pedal box, or install the pedal box after the tune)

  • Please supply VIN for Owl to tune the HHT to your specific vehicle

  • Please email a pic of your VIN to our email: when ordering 

* No returns on Renntech Tuners. Due to the nature of installing a tune, any return or refunds would be at the sole discretion of Renntech. Returns on tunes are only accepted in situations where there is a problem that is unable to be resolved.

*Note - If your van is equipped with remote start equipment, you may need to unplug that remote start equipment to properly load the tune. We recommend installing at home and not before a big trip so that if there are any issues with the installation you are not at a remote location.

*HHT is specific to your VIN and cannot be used for multiple vehicles. The tune may affect warranty, emissions etc. Please research your local laws before purchase. This tune may not be legal in all states. Increased power may lead to increased wear on motor and driveline components.

May impact the longevity of filters and emissions equipment. Any increased wear, cost, emissions equipment is the responsibility of the purchaser.