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Engines and Components› Belts and Pulleys

Mercedes-Benz

Serpentine Belt Tensioner Pulley

$107.00 $95.19 Save $11.81

SKU: MB2722021419

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Easy — 1–2 hours

Overview

This part silences belt noise such as rattle, squeal, and bearing growl. It is a direct-fit OE replacement part.

This pulley is compatible with numerous Mercedes-Benz models including various C-Class, CL-Class, CLK-Class, CLS-Class, E-Class, G-Class, GL-Class, GLK-Class, ML-Class, R-Class, S-Class, SL-Class, and SLK-Class vehicles.
Show original supplier description
The Genuine Mercedes Drive Belt Idler Pulley (part number 2722021419) is a direct-fit OE replacement designed to restore quiet operation to your vehicle's accessory drive system. This smooth idler pulley effectively silences common noise issues such as belt rattle, squeal, and bearing growl, ensuring a smoother and more reliable driving experience. Crafted by Genuine Mercedes, this pulley meets the high standards expected of original equipment. It is constructed to OE specifications for durability and performance. The listed weight for this part is 0.72 lbs. This idler pulley is compatible with a wide range of Mercedes-Benz vehicles across many model lines, including C-Class (W203, W204), CL-Class (W216), CLK-Class (W209), CLS-Class (W219), E-Class (W211, W207, W212), G-Class (W463), GL-Class (X164), GLK-Class (X204), ML-Class (W164), R-Class (W251), S-Class (W221), SL-Class (R230), and SLK-Class (R171). Specific model years and engine requirements are detailed in the fitment guide to ensure proper application. Note that some 2006 models require confirmation based on engine number and production date (from 3/04/05).

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 NumberMB2722021419
CategoryEngines and Components

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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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