RENNtech ECU+ Upgrade | C216 | CL 550 | 540HP / 705 LB-FT| 4.7L V8 BiTurbo | M278 | MY2011-2014

Thoughtful delivery service

Easy 30 day returns

Certified Reviews

Description

RENNtech ECU+ Upgrade | C216 | CL 550 | 540HP / 705 LB-FT| 4.7L V8 BiTurbo | M278 | MY2011-2014ECU+ Upgrade 540HP 705LB FT Gains: +92HP +167LB FT 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

Crank Performance Numbers are calculated with a 14% Drivetrain loss on 4MATIC+ vehicles

Continental GT Speed (MY2021+)

RENNtech modifies the OEM Aluminum Lower Control Arms to allow for camber adjustment on lowered cars and cars with performance setup

McLaren GT

RENNtech Carbon Fiber Quality Control

Rated by RENNtech: 605 HP @ 5

Performance

This type of tooling has optimal durability

countless hours of in house research

RENNtech ECU Plus Upgrade for C292 - GLE 43 AMG Coupe

Our ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 329 HP and 354 lb/ft torque

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

Shipping Notes

Free Standard Shipping on $100+ Orders to the USA.
Except Preorder products are shipped in 48 hours.
Delivery to the USA:

Standard Shipping : 3-10 business days

If time is of the essence, please consider selecting expedited delivery for faster service.

recommand products

Charmed by you

US$ 140.00

Min. order: 1 piece

4.5 (24 reviews)

Sold : Login>>

Quiet Sky 2

US$ 250.00

Min. order: 1 piece

4.8 (5 reviews)

Sold : Login>>

Promise of morning

US$ 495.00

Min. order: 1 piece

5.0 (9 reviews)

Sold : Login>>

Stormlight Meadow

US$ 1250.00

Min. order: 1 piece

4.9 (29 reviews)

Sold : Login>>

Among a field of light

US$ 490.00

Min. order: 1 piece

4.9 (30 reviews)

Sold : Login>>

Seascape 66

US$ 175.00

Min. order: 1 piece

4.0 (6 reviews)

Sold : Login>>

You may also like

recommand products