Ignitions and Electrical› Charging Systems

Mercedes-Benz

Alternator

$12.81

SKU: MB2782031417

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

This genuine part is manufactured by Mercedes-Benz to meet the brand's standards for quality and reliability.
Show original supplier description
The Mercedes-Benz Vent Hose, part number 278-203-14-17, is a genuine OEM component designed as a direct replacement for specific Mercedes-Benz vehicles. This vent hose is specifically designed to fit 2011-2014 Mercedes-Benz CL550 (4Matic, 4.7L V8 GAS), 2011-2014 Mercedes-Benz CL63 AMG (Base, 5.5L V8 GAS), and 2015-2017 Mercedes-Benz S550 (4Matic, Base, 4.7L V8 GAS). It is also referred to as a turbocharger coolant supply line or a bleed line, indicating its critical role in managing turbocharger temperatures and the cooling system. As a genuine Mercedes-Benz part, it is backed by the manufacturer's warranty, providing peace of mind. This ensures that the part meets the exact specifications and performance standards set by Mercedes-Benz for optimal integration into your vehicle's existing systems.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandMercedes-Benz
Part NumberMB2782031417
CategoryIgnitions and Electrical

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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