null
close
close
215-646-4945

Open Monday - Friday

click to zoom in

Mercedes-Benz M278 4.7L Bi-Turbo XperTune Performance Software

No reviews yet Write a Review
$1,895.95
SKU:
FS.MER.M278.ECU
HP (whp):
+100
TQ (ft/lbs):
+110
WT (lbs):
N/A
5 customers are viewing this product

Mercedes-Benz M278 4.7L Bi-Turbo XperTune Performance Software

$1,895.95

Purchase Disclaimer: Fabspeed Motorsport does not condone the use of emission defeat devices for any vehicles used on public streets or roadways. Fabspeed Motorsport will not tamper, remove, disable, or bypass emissions equipment on a motor vehicle in accordance with 40 CFR Section 86.1854.12(a)(3), Clean Air Act 40 CFR 1068.101(b). This includes software, known as tunes, that reprogram a motor vehicles electronic control module to alter engine performance and enable the removal of filters, catalysts, and other critical emissions controls.

Performance ECU software upgrade improves horsepower, torque, and driving characteristics of the M278 4.7L V8 BiTurbo Engine by reprogramming various sensor inputs, air/fuel ratios, and boost pressure.                                 

FEATURES:

  • Fits all Mercedes-Benz 550 M278 4.7L V8 BiTurbo Vehicles: E-Class / S-Class / CL-Class / CLS-Class / SL-Class / M-Class / GLE-Class / GL-Class / GLS-Class

    • Stock - Varies by Model

    • Tuned - +100 HP / +110 TQ

  • Fabspeed Motorsport saves your stock/factory ECU settings so that you can revert your vehicle back to stock settings at any time

NOTE: This is not a physical/shipped product.  This upgrade requires you to send us your ECU for re-programming.  You will be emailed a download link with detailed instructions after adding this to your cart and checking out.

SHIPPING DETAILS: Shipping costs for sending an ECU to Fabspeed is the responsibility of the purchaser.  The ECU will be tuned within 24-48 hours of receiving it and Fabspeed will then ship back the ECU using whatever method it was shipped in with.  (For example: If you send in your ECU via Ground shipping, we will ship it back via Ground.  If you ship it via Overnight, we will ship it back via Overnight.)

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.