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CTS Turbo Intercooler Upgrade for Mercedes Benz C43 C400 C450 E43 E400 E450 GLC43 GLE43 (M276 engine)

CTS Turbo Intercooler Upgrade for Mercedes Benz C43 C400 C450 E43 E400 E450 GLC43 GLE43 (M276 engine)

CTS TURBO
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SKU CTS-C43-AWIC
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$1,349.99 - $1,349.99
$1,349.99
$1,349.99 - $1,349.99
$1,349.99
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We’re thrilled to introduce our latest intercooler designed specifically for the 3.0-liter V6 biturbo engine (M276 DE 30 AL), engineered to elevate cooling performance for increased power output. Our intercooler features an innovative core design, measuring 222 mm x 297 mm x 95 mm, providing a remarkable 134% increase in external core volume compared to the stock intercooler. With optimized design, it ensures efficient heat transfer and optimized internal airflow. Utilizing CAD-optimized cast aluminum end tanks and advanced CFD simulations, this intercooler delivers exceptional cooling performance with minimal pressure drop, making it ideal for both spirited road driving and occasional track use. With its high-quality anti-corrosion coating, our intercooler guarantees lasting and effective cooling performance. Plus, it’s a direct replacement with no modifications required, simplifying installation for hassle-free enhancement of your vehicle’s performance. Factory core dimensions: 207mm x 200mm x 65mm = 2.7L volume CTS Turbo core dimensions: 297 mm x 222 mm x 95 mm = 6.3L volume Product Details:
  • Significantly lower IAT and helps with keeping the charge air cool and dense.
  • Increased response and power, ideal for tuned vehicles.
  • Reduced pressure drop for improved air flow.
  • 2.25" (57mm) aluminum charge pipes.
  • Direct fit replacement for the factory unit, no cutting required.
  • 134% increase over stock core size.
  • Includes all hardware required for installation.
  • Replacement for the factory Charge Air Cooler, Mercedes part number 276-090-02-14.
Fitment for Mercedes 43 AMG engines (M276 DE 30 AL) 3.0L bi-turbo (OE part 276-090-02-14):
  • 2014-2023 Mercedes Benz C400 4MATIC (W205)
  • 2015-2019 Mercedes Benz C450AMG 4MATIC (W205)
  • 2016-2024 Mercedes Benz C43 AMG 4MATIC (W205)
  • 2016-2018 Mercedes Benz E43 AMG 4MATIC (W213)
  • 2018-2020 Mercedes Benz E450 AMG 4MATIC (W213)
  • 2016-2023 Mercedes Benz GLC 43 AMG 4MATIC (X253)
  • 2016-2022 Mercedes Benz GLE 43 AMG 4MATIC (C292)
INSTALLATION NOTE:
To re-install the radiator fan with the CTS intercooler in place, the main circuit coolant hose must be disconnected on one side. The radiator fan is very close to the intercooler but does not make contact.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 14 applications
C450
Make Model Engine Years
MERCEDES-BENZ C450 2015–2023
MERCEDES-BENZ C450 (W205) 2015–2023
C43
Make Model Engine Years
MERCEDES-BENZ C43 2015–2021
MERCEDES-BENZ C43 (W205) 2015–2021
C400
Make Model Engine Years
MERCEDES-BENZ C400 2015–2023
MERCEDES-BENZ C400 (W205) 2015–2023
E43
Make Model Engine Years
MERCEDES-BENZ E43 2016–2018
MERCEDES-BENZ E43 (W213) 2016–2018
GLE
Make Model Engine Years
MERCEDES-BENZ GLE 2016–2022
MERCEDES-BENZ GLE (C292) 2016–2022
GLC
Make Model Engine Years
MERCEDES-BENZ GLC 2016–2023
MERCEDES-BENZ GLC (X253) 2016–2023
E450
Make Model Engine Years
MERCEDES-BENZ E450 2018–2020
MERCEDES-BENZ E450 (W213) 2018–2020

Fitment data last updated: 2026-06-27