2018-2019 Mercedes-Benz Engine Wiring Harness 2741503603

OEM Part #: 274-150-36-03 (2741503603)

$139.49
Used
Donor2019 Mercedes-Benz GLC300 · 2.0L · 77k miles
SKU: 644753 · 30-Day Returns
✓ Free Same Day Shipping on orders by noon CT
Only 2 in stock — no guaranteed restock
Engine Wiring Harness 2741503603 — Used (SKU 644753)
Genuine OEM Used SKU: 644753 Donor Vehicle: 2019 Mercedes-Benz GLC300 · 2.0L · 77k miles 5 photos
HAS A BROKEN PLUG, SEE PICTURES
$139.49
30-Day Returns
Engine Wiring Harness 2741503603 — Used (SKU 678209)
Genuine OEM Used SKU: 678209 Donor Vehicle: 2019 Mercedes-Benz GLC300 · 2.0L · 66k miles 6 photos
HAS A CRACKED PLUG MOUNT, SEE PICTURES
$161.49
30-Day Returns
  • Genuine OEM — real photos
  • 30-day returns on eligible parts
  • eBay Top Rated · 100,000+ positive ratings
  • Ships from our own indoor warehouse

This used OEM Mercedes-Benz Engine Wiring Harness (2741503603) routes power and signals between the ECU and engine sensors/actuators. It fits multiple Mercedes models equipped with the 1.5L turbo, 1.5L mild hybrid, 2.0L turbo, or 4.0L V8 turbo engines. A failing harness can cause intermittent misfires, no-start conditions, or erratic sensor readings due to broken wires or corroded connectors. Manufactured to original specs, this genuine part restores reliable electrical communication underhood.

Specifications

Specifications for Engine Wiring Harness 2741503603
Fits Vehicle ModelAMG GT C, C300, E300, GLC300
Fits Vehicle MakeMercedes-Benz
OEM Part No274-150-36-03 (2741503603)
CategoryOther

Compatible Vehicles

Fits 16 vehicle configurations across 1 make, 2018-2019.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

Mercedes-Benz

  • AMG GT C 2018-2019 · 4 variants 4 with notes
  • C300 2018-2019 · 6 variants 6 with notes
  • E300 2018-2019 · 2 variants 2 with notes
  • GLC300 2018-2019 · 4 variants 4 with notes
View all 16 vehicle configurations — 16 with fitment notes
Full vehicle fitment list for Engine Wiring Harness 2741503603
Year Make Model Trim Engine Note
2018 Mercedes-Benz GLC300 SUV 2.0L l4 Turbo From Engine: 31525863 From Date: 20/04/2018
2018 Mercedes-Benz GLC300 SUV Coupe 2.0L l4 Turbo From Engine: 31525863 From Date: 20/04/2018
2018 Mercedes-Benz E300 Sedan 2.0L l4 Turbo From Engine: 31525863 From Date: 20/04/2018
2018 Mercedes-Benz C300 Sedan 2.0L l4 Turbo From Engine: 31525863 From Date: 20/04/2018
2018 Mercedes-Benz C300 Coupe 2.0L l4 Turbo From Engine: 31525863 From Date: 20/04/2018
2018 Mercedes-Benz C300 Convertible 2.0L l4 Turbo From Engine: 31525863 From Date: 20/04/2018
2018 Mercedes-Benz AMG GT C Hatchback 4.0L V8 Turbo From Engine: 31525863 From Date: 20/04/2018
2018 Mercedes-Benz AMG GT C Convertible 4.0L V8 Turbo From Engine: 31525863 From Date: 20/04/2018
2019 Mercedes-Benz AMG GT C Hatchback 4.0L V8 Turbo From Engine: 31525863 From Date: 20/04/2018
2019 Mercedes-Benz GLC300 SUV 2.0L l4 Turbo From Engine: 31525863 From Date: 20/04/2018
2019 Mercedes-Benz GLC300 SUV Coupe 2.0L l4 Turbo From Engine: 31525863 From Date: 20/04/2018
2019 Mercedes-Benz E300 Sedan 2.0L l4 Turbo From Engine: 31525863 From Date: 20/04/2018
2019 Mercedes-Benz C300 Sedan 2.0L l4 Turbo From Engine: 31525863 From Date: 20/04/2018
2019 Mercedes-Benz C300 Coupe 2.0L l4 Turbo From Engine: 31525863 From Date: 20/04/2018
2019 Mercedes-Benz C300 Convertible 2.0L l4 Turbo From Engine: 31525863 From Date: 20/04/2018
2019 Mercedes-Benz AMG GT C Convertible 4.0L V8 Turbo From Engine: 31525863 From Date: 20/04/2018

Ask a parts specialist

Asking about: Engine Wiring Harness 2741503603 · OEM #2741503603