What is the main job of a belt tensioner?

A belt tensioner's primary job is to keep the accessory drive belt at the correct tightness. This ensures that components like the alternator, power steering pump, and AC compressor receive the proper power transfer from the engine.

What happens if my belt tensioner fails?

If the tensioner fails, the belt can become loose, leading to squealing noises, reduced performance of accessories, or the belt could even slip off entirely, causing a loss of power to those components.

Does this tensioner assembly come with a new belt?

This part is the tensioner assembly only and does not include a new accessory drive belt. You will need to purchase the belt separately if it also requires replacement.

2012-2015 Mercedes C250 Belt Tensioner

Name: Gates 12-15 Mercedes-Benz C250 4-Cyl. 1.8L Tensioner Assy. Belt Drive Tensioner
Brand: Gates
SKU: gates-gates-12-15-mercedes-benz-c250-4-cyl-1-8l-tensioner-assy-belt-drive-tensio-t14-882553
Price: 299.04 USD
Availability: BackOrder

Gates 12-15 Mercedes-Benz C250 4-Cyl. 1.8L Tensioner Assy. Belt Drive Tensioner

$299.04

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2012-2015 Mercedes-Benz C250. This Gates belt tensioner assembly keeps your accessory belt properly tightened for reliable operation.

Key Features

Fits 2012-2015 Mercedes-Benz C250 and 2012-2015 Mercedes-Benz SLK250.
Features a durable steel pulley for smooth operation.
Strong spring mechanism ensures consistent belt tension.
Direct replacement design for straightforward installation.
Helps prevent accessory belt slippage and noise.

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Will it fit your car?

Fits these vehicles

Mercedes-Benz C250 2012-2015
Mercedes-Benz SLK250 2012-2015

Product Details

This Gates belt tensioner assembly is built with a robust steel pulley and a strong spring mechanism, designed to maintain the correct tension on your accessory drive belt for your 2012-2015 Mercedes-Benz C250. Keeping the belt at the right tension is crucial for ensuring all your engine's accessories, like the alternator, power steering pump, and air conditioning compressor, run smoothly and efficiently. A worn or weak tensioner can lead to a loose belt, causing squealing noises and potentially causing the belt to slip or even come off, which would stop those accessories from working.

Gates uses a well-built steel pulley that spins freely on its bearing, and the spring is calibrated to provide consistent pressure over time. This means you can expect reliable performance and a long service life from this tensioner. It's designed to be a direct replacement for your original tensioner, fitting right into place without needing any modifications. This is a solid option for anyone needing to replace a worn-out tensioner and get their C250's accessory drive system back to factory specifications.