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RennTech Power Module for the 2015-2023 C 300: red RennTech Power Module housing seen face-on }
RennTech Power Module in front of its box - RennTech Power Module for the 2015-2023 C 300 }
Silver RennTech Power Module housing - RennTech Power Module for the 2015-2023 C 300 }
Red RennTech Power Module from a three-quarter angle - RennTech Power Module for the 2015-2023 C 300 }
Vendor: RennTech
SKU: 54.274.RPM.300
Regular price
$2,405.60
Regular price
$2,480.00
Sale price
$2,405.60
Check your purchasing power Apply at checkout
Subtotal: $2,405.60
RennTech Power Module 2015-2023 Mercedes-Benz C 300 W205
Subtotal: $2,405.60

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Overview

For owners of the 2015-2023 C 300 who want real gains but a fully reversible install, RennTech's Power Module is the answer. The CNC-machined module connects through a vehicle-specific harness and refines boost, ignition and fueling for the 2.0L M274. RennTech rates the C 300 at up to 286 hp and 309 lb-ft with this upgrade, a gain of 41 hp and 37 lb-ft.

Features

  • Plug-in module with a vehicle-specific, pre-labeled harness
  • CNC-machined 6061 aluminum enclosure
  • Includes a bypass plug to return to stock performance quickly
  • Remove the harness and the car is completely back to factory
  • No ECU flash required

What is included

  • RennTech Power Module
  • Vehicle-specific wiring harness
  • Bypass plug

Specs

Part number 54.274.RPM.300
Engine 2.0L M274
RennTech rated output 286 hp / 309 lb-ft
Gain (RennTech) +41 hp / +37 lb-ft

Fitment notes

For the C 300 (W205), 2015-2023 as listed by RennTech. Please include your VIN with the order so RennTech can confirm the exact application. Check the fitment table before ordering, and contact us if your car differs.

Fitment

Make Model Chassis Year Engine
Mercedes-Benz C 300 W205 2015-2023 2.0L M274
Fitment
YearMakeModel
2015–2021Mercedes-BenzC300

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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