| Weistec Horsepower | 550 |
| Weistec Torque | 575 |
| Manufacturer | Weistec |
| Street legal in all the US States | No |
| Engine Family | M176 |
| Stock Horsepower | 416 |
| Stock Torque | 450 |
All 2020 models require bench flashing at this time.
ECU Tuning Process: How do I get my ECU tuned?
The M176 engine is a potent powerplant. Through rigorous testing, on both the street and dyno, the Weistec M176 ECU Upgrade reliably extracts massive gains in the mid range of the powerband as well as substantial gains in the top end making it a top performer in all driving situations
Stock vs Westec ECU and FiltersWeistec M176 ECU Power
What does all this mean to you? More power, sharper throttle response, and a complete focus on the driver makes this the perfect addition to your AMG for a much more enjoyable experience for you.
ECU Tuning Process: How do I get my ECU tuned?
Key Features:
Eliminated Top Speed Limiter
Improved Throttle Response
Optimized Fuel, Spark, and Boost
+68 Wheel Horse Power +80 Wheel Torque Peak Gains with Air Filters*
+97 Wheel Horse Power +114 Wheel Torque Peak Gains with Air Filters and Downpipes*
*Power gains vary based on model, modifications, fuel, and running conditions.
| year | make | model | trim | engine |
|---|---|---|---|---|
| 2020 | Mercedes-Benz | GLS580 | Base (X167) | Twin Turbo 4L V8 (M176) |
| 2020 | Mercedes-Benz | S560 | Coupe (C217) | Twin Turbo 4L V8 (M176) |
| 2019 | Mercedes-Benz | S560 | Coupe (C217) | Twin Turbo 4L V8 (M176) |
| 2018 | Mercedes-Benz | S560 | Coupe (C217) | Twin Turbo 4L V8 (M176) |
| 2020 | Mercedes-Benz | S560 | Maybach (W222) | Twin Turbo 4L V8 (M176) |
| 2019 | Mercedes-Benz | S560 | Maybach (W222) | Twin Turbo 4L V8 (M176) |
| 2018 | Mercedes-Benz | S560 | Maybach (W222) | Twin Turbo 4L V8 (M176) |
| 2020 | Mercedes-Benz | S560 | Base (W222) | Twin Turbo 4L V8 (M176) |
| 2019 | Mercedes-Benz | S560 | Base (W222) | Twin Turbo 4L V8 (M176) |
| 2018 | Mercedes-Benz | S560 | Base (W222) | Twin Turbo 4L V8 (M176) |
| 2018 | Mercedes-Benz | G550 4x4 | 4x4 (W463) | Twin Turbo 4L V8 (M176) |
| 2020 | Mercedes-Benz | G550 | Base (W463) | Twin Turbo 4L V8 (M176) |
| 2019 | Mercedes-Benz | G550 | Base (W463) | Twin Turbo 4L V8 (M176) |
| 2018 | Mercedes-Benz | G550 | Base (W463) | Twin Turbo 4L V8 (M176) |
Read More
All products are shipped via UPS or FedEx SIGNATURE REQUIRED (unless otherwise specified). Please allow up to 48 Hours to process and ship your order; if you have a time sensitive shipment please give us a call to ensure there are no delays. Special arrangements may need to be made for international orders and oversize packages.
Please be aware that 3-day, 2-day and next day air shipping does NOT include the weekends. For example an order with 2-day air shipping that ships out on a Friday will be delivered on Tuesday.
In order to keep costs down and provide parts at competitive prices, many items are shipped directly from one of our authorized Rennwerks shipping locations. We cannot guarantee stock on these items until the order is placed. We will notify you if an item is not available to ship immediately.
While we strive to ensure accuracy of all orders that are shipped on extremely rare occasions boxes are mislabeled and/or wrong parts are shipped. Once you have received your order be sure to CHECK the parts for accuracy prior to starting your installation!
RETURNS & DAMAGED SHIPMENTS
All items to be returned, whether flawed or incorrect merchandise can be returned within 30 days of the original ship date. ALL returns may be subject to a 20% restocking fee.
TO RETURN AN ITEM
Call customer service at 1-408-800-4485 from 9:00 to 5:30 PST, Monday through Friday. They will issue you a Return Material Authorization Number (RMA#). Display this RMA# visibly on the outside of the return packaging. Enclose a copy of the original invoice with the returned merchandise. All returns must be pre-paid shipping and fully insured. We do not accept collect shipments or unauthorized returns. When the return is due to our error, we will refund the pre-paid freight charges and immediately exchange the item(s) or provide a refund.
The following items have a NO RETURN/NO REFUND policy:
- Voltage Regulators
- Voltage Cutouts
- All Electrical Items
- Books & Publications
- Videos
- Posters
- Glass Patterns
- Wood Items
- Computer Software
- Foreign Shipments
- Special Orders
DAMAGED SHIPMENTS
Upon receipt of an obviously damaged package, you have the option to refuse delivery and the order will be returned to Rennwerks. Or you can receive the order-making, not of visible damage in writing to the carrier. If upon inspection of the parts you find damage due to the carrier's handling you then have 48 hours to file a claim with the carrier. DO NOT RETURN THE DAMAGED PARTS TO RENNWERKS. Keep the package and parts as close as possible to the condition you received them. Without the package, the carrier will void your claim. Claims for shortages due to carrier negligence must be made within 5 working days of receipt of merchandise.
FOR DAMAGED SHIPMENTS CONTACT THE SHIPPER DIRECTLY
Customer Reviews
CALIFORNIA PROPOSITION 65 WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Polyurethane, PVC/vinyl, Weldable Primer, High Temp Paint, Nickle, Synthetic Diamond, Chromium, Tin, Polishing Wax, Buffing Clay, Epoxy Resin, Loctite Blue/Red, Water Transfer Printing, Cork, Steel, Stainless Steel, Cast Iron, Aluminum, Brass, Copper, Zinc, Fiberglass, ABS, Polycarbonate, Acrylic, Mylar, Glass, Rubber, Neoprene, Wood, Cardboard, Polyester, Chrome Plating, Zinc Plating, Black Oxide, Clear/Black Anodizing, Anodized aluminum, Enamel Paint, Powder coating, Adhesives, Foam Tape, Styrofoam. > More information on California Prop 65
