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RENNtech ECU+ Upgrade | W221 | S 63 AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2011-13 mercedes-benz-gle-class--166---2016-2020--gle-63-amg-esr4679580 DYNO tested Stock: 625 HP

RENNtech ECU+ Upgrade | W221 | S 63 AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2011-13 mercedes-benz-gle-class--166---2016-2020--gle-63-amg-esr4679580 DYNO tested Stock: 625 HP

SKU: 36343395768

4.6

SEK1490.00 SEK1536.00

Pay in 4 interest-free payments of $372.50 Learn more

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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6

Live Spec

RENNtech ECU+ Upgrade | W221 | S 63 AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2011-13 mercedes-benz-gle-class--166---2016-2020--gle-63-amg-esr4679580 DYNO tested Stock: 625 HPECU+ Upgrade Up to 669HP 734TQ Gains: +106 HP +140TQ 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

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Description

DYNO tested Stock: 625 HP | 681 LB-FT

7L V8 BiTurbo) Stock Performance (at crank):

RS5 (F5 B9)

CLS 53 AMG EQ-Boost | MY2019+ | *Needs to be equipped with optional performance exhaust/factory valves*

RENNtech’s side skirts feature an OEM level of quality

Exchange/Return Notes