* Allow 2-4 weeks for orders to be shipped. Turbochargers are made to order.
Please contact tuning@weistec.com to see if a tune is available for these turbos on your specific application.
M157 W.4 Turbochargers
Taking a giant leap ahead of all other available upgrades, the M157 W.4 Turbochargers completely replace the factory units. They are ball bearing, featuring CNC machined billet aluminum compressor wheels capable of flowing 6large amounts of air.
To feed these monster turbochargers, completely new intake tubes are included. Weistec Carbon airboxes are an optional upgrade. The Weistec Turbo-Folds provide significantly increased flow of exhaust gasses compared to the stock turbo-fold. The Weistec M157 True Downpipes perfectly mate up to the M157 W.4 Turbochargers to ensure minimal restriction once the exhaust gasses have gone through the turbine.
An Engineered Solution
The W.4 Turbochargers are the most capable production turbochargers available for the M157 engine. When all supporting upgrades are purchased, (supporting upgrades:M157 ASV/Water-Methanol Injection SystemWeistec True Downpipes and ECU tuning) the W.4 Turbocharger System for the M157is capable of producing 1000+ crank horsepower on 91 octane pump gas. What’s equally impressive is that these numbers are achieved at only 20psi, and 20 psi is only the beginning.
Control = Reliability
While the M157 engine is a very robust engine in factory form, a couple of weak links have been found at extreme power levels. The most common is a bent connecting rod. If the engine is producing a sustained 1000 lb-ft of torque or more, all it takes is one knock event to bend a rod. This was taken into consideration with the ECU tuning for the W.4 Power Package as they can make far more power and torque than a stock M157 engine can handle. With our optional ECU Tune for the W.4 package, boost is controlled and tapered up to the peak of 20psi as RPM’s increase. This creates a broad torque curve that remains under 800 lb-ft (at the wheels) while allowing power to continually increase towards redline, minimizing stress on the rods as well as the rest of the drivetrain. With a fully built M157 and other supporting upgrades, expect to see significantly higher power numbers as the Turbochargers can flow enough air volume for 1400+ crank horsepower!
Key Features
- Ball Bearing Turbochargers
- Removed Restriction of Stock Turbo-Folds
- Weistec M157 Turbo Intake Tubes and Optional Weistec Carbon Airboxes
- Greatly Increased HP and Torque capability
- CNC Billet Aluminum Compressor Wheel
- Improved Airflow
- Aggressive Exhaust Note
- 1000+HP Capable
Additional Required Items For Peak Engine Performance:
- High Flow Downpipe and Exhaust
- Racing Spark Plugs
- Weistec WMI/ASV
- Weistec W.4 ECU Tune
Note: This item is considered special order. (See Terms and Conditions)
Vehicle fitment
- 2011-2014 Mercedes-Benz CL63 AMG Coupe
- 2011-2017 Mercedes-Benz S63 AMG Base
- 2011-2018 Mercedes-Benz CLS63 AMG Coupe
- 2011-2018 Mercedes-Benz CLS63 AMG Shooting Brake
- 2012-2015 Mercedes-Benz GL63 AMG Base
- 2012-2015 Mercedes-Benz ML63 AMG Base
- 2012-2016 Mercedes-Benz E63 AMG Base
- 2012-2017 Mercedes-Benz G63 AMG Base
- 2012-2019 Mercedes-Benz SL63 AMG Roadster
- 2013-2015 Mercedes-Benz G63 AMG 6x6
- 2013-2016 Mercedes-Benz E63 AMG S 4Matic
- 2014-2017 Mercedes-Benz S63 AMG Coupe
- 2014-2018 Mercedes-Benz CLS63 AMG S 4Matic
- 2015-2017 Mercedes-Benz S63 AMG Cabriolet
- 2015-2019 Mercedes-Benz GLE63 AMG S Base
- 2015-2019 Mercedes-Benz GLE63 AMG S Coupe
- 2015-2019 Mercedes-Benz GLE63 AMG Base
- 2015-2019 Mercedes-Benz GLE63 AMG Coupe
- 2015-2019 Mercedes-Benz GLS63 AMG Base
Installation manual
Weistec part number: 01-157-01864-3 · UPC: 810089561091
All products are shipped out from one of the Signature Autohaus shipping locations. Signature Autohaus drop ships some products and ships direct others. All products are shipped via FedEx, UPS, DHL or another qualified shipping carrier.
Special arrangements may need to be made for international orders and oversize packages.
In the event a product arrives damaged to your location, please follow the steps listed below. All damaged items must be reported to the shipping carrier immediately and you must notify Signature Autohaus within 5 days of receiving your order. If these steps are not followed, your shipment may not be able to be a candidate for a claim.
Complete the Shipping DAMAGE Claim Form by contacting the carrier that delivered your package.
1) Keep the product and its original packaging and box
Make a list of the damaged or lost item(s)
2) Signature Autohaus will contact the shipper once we receive the email info above to schedule a pickup, DO NOT send it back to us
3) Once the product is picked up and inspected by Signature Autohaus and or Supplier, a replacement or credit will be issued.
4) The Shipping Rates shown at time of checkout our dimensional rate only. If your shipment weight is to much then contact us for a shipping quote. If there is an error in the shipping rate quoted we will contact you and let you know of the changes. International orders(Outside the USA) are not automatically processed as we may require additional information from you.
If a product is ordered and not wanted, the UNUSED item can be returned for a 35% restocking fee. Shipping is not refundable in either direction. All items wanting to be return MUST be reported within 30 days of the original invoice date. No items will be returnable after 30 days. All products shipped from the Signature Autohaus warehouse are shipped via FedEx or Freight and require a signature when delivered. Some packages shipped from the manufacturer may or may not require signatures for package release. Fedex, UPS, and DHL have package pick up locations if you are unable to sign for the package. If the package is returned to Signature Autohaus or manufacturer, you will be responsible for the return shipping costs and pay a 35% restocking fee. These fees will be charged to your account on file.
SIGNATURE AUTOHAUS DOES NOT REFUND SHIPPING CHARGES. If you modify, install, or alter the item in any form, we cannot accept it as a return, will not cover any expenses related to the product or installation, and you maybe be required to purchase a replacement.
In the event that the product you ordered is sent either incorrectly or processed wrong by Signature Autohaus, we will arrange for the package to come back to us and ship out a replacement. We will evaluate the situation before we determine the shipment was incorrect.
To return a item back to us, please do the following:
1. Contact our Customer Service Department to receive a RMA number. All packages returned without a Returned Merchandise Authorization number will be refused.
2. Package the item up in original packaging unless deemed unuseable
3. Include the UNUSED parts and any additional information that was included
4. Include a copy of your receipt
5. Write a brief description of the problem with the product
6. If you have a receipt for the return shipping include as well
7. We DO NOT accept any freight collect packages
8. Once we have received the above information we will notify you via email or phone and let you know the status.
