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RennTech r1 performance package - R1 Performance Package for the 2021-2026 GLS 63 AMG }
RennTech r1 performance package, view 2 - R1 Performance Package for the 2021-2026 GLS 63 AMG }
RennTech r1 performance package, view 3 - R1 Performance Package for the 2021-2026 GLS 63 AMG }
Red performance air filter element supplied with the package - R1 Performance Package for the 2021-2026 GLS 63 AMG }
Brand: RennTechSKU / Part #: PKG.167.GLS63.R1
Regular price
$6,964.60
Regular price
$7,180.00
Sale price
$6,964.60
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Subtotal: $6,964.60
RennTech R1 Performance Package 2021-2026 Mercedes-AMG GLS 63 X167
Subtotal: $6,964.60

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Overview

The RennTech R1 Performance Package for the 2021-2026 GLS 63 AMG combines parts that RennTech developed and tested together, so you get a matched setup rather than a pile of separate upgrades. RennTech rates the car at 745 hp and 767 lb-ft with this upgrade.

Key details

The 4.0L twin-turbo V8 is an excellent base for added power. RennTech's R1 to R3+ packages are developed per vehicle so the parts work as one, letting you step up in stages toward your power goal.

Features

  • Parts developed and tested by RennTech to work together
  • One order covers the complete setup for your car
  • Calibrated for the hardware included in the package

Specs

Part number PKG.167.GLS63.R1
Engine 4.0L M177 twin-turbo V8
Rated output 745 hp / 767 lb-ft
Shipping weight 10 lb

Fitment notes

Fitment is as listed by RennTech for this part number. Your VIN is required with the order.

Fitment

Make Model Chassis Year Engine
Mercedes-Benz GLS 63 AMG X167 2021-2026 4.0L M177 twin-turbo V8
Fitment
YearMakeModel
2021–2026Mercedes-BenzGLS63 AMG

Not sure? Text us your VIN and we’ll confirm.

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

Reviews & questions

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