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RENNtech hand held tuner ECU upgrade GLS63 Gains: +64HP & +108LB-FT
Hello all,
Below is information on the GLS63 RENNtech hand held tuner ECU upgrade. By far and away the most easy way to tune your ECU or change it back at anytime by far and away the ONLY company I would trust in ECU tuning for Mercedes.
Gains: +64HP & +108LB-FT Up to 669HP / 734LB-FT
These are available for immediate shipment once we receive your VIN . Please contact me for a shipping promotion we are offering at either info@etkms.com or call 1-866-950-7779
RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!
Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.
RENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.
Rated by RENNtech: 669 HP @ 5,500rpm; 734 LB-FT @ 3,700rpm
549 awhp @ 5,500rpm; 602 awtq @ 3,700rpm
Crank Performance Numbers are calculated with a 18% Drivetrain loss on SUVs.
Notes:
We have found the M157 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory.
Power gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 18% Drivetrain loss on SUVs.
Our numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.
05-16-2019, 04:04 PM
