Mercedes-Benz GL-Class X164 / X166 (2009 - 2015) Drive Belt Tensioner

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Regular price $179.00 inc. GST
Regular price -13% $205.00 Sale price $179.00 inc. GST
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Designed for straightforward out of the box fitment and operation. If there are any fitment issues, we will cover the return cost in full because we stand behind our products.

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  • Genuine / Aftermarket Aftermarket
  • Type Belt Tensioners
  • Make Mercedes-Benz
  • Model GL-Class
  • Series X164 [2005 - 2012] and X166 [2013 - 2015]

Restore your Mercedes-Benz GL-Class X164 / X166 (2009 - 2015) to peak performance with this precision-engineered drive belt tensioner. Designed to eliminate belt slippage, reduce squealing sounds, and prevent premature belt deterioration, this replacement component ensures your engine accessories operate at optimal efficiency.

What's Included
  • 1 x Drive Belt Tensioner
Performance & Build Quality
  • Vibration Elimination: Ensures optimal belt tension to remove slippage, vibration, and unwanted noise during operation.
  • Consistent Pressure: Provides reliable belt pressure for dependable performance of all engine accessories.
  • Belt Protection: Stops early serpentine belt deterioration through proper tension maintenance.
  • Robust Materials: Constructed from high-grade steel or aluminum to withstand engine stress and deliver lasting performance.
  • Factory Match: Engineered to exact OEM standards ensuring perfect fit and simple installation process.
Vehicle Application
  • Compatible Models: Mercedes-Benz GL-Class X164 / X166 models from year 2009, 2010, 2011, 2012, 2013, 2014 and 2015.
  • Engine: Diesel 155kW / 165kW / 190kW / 195kW
  • Drive Type: AWD
  • Body Style: SUV
  • Variant: 320 CDI, 350 BlueTEC 4-matic, 320 CDI 4-matic, 350 CDI 4-matic, 350 CDI, BlueTec 4-matic
Product Specifications
  • Fitment: Direct Replacement
  • Driven Units: Alternator

Perfect solution for GL-Class owners dealing with tensioner issues, this component restores reliable power transmission and enhances overall driving experience.

Given the importance of these components for vehicle safety and performance, we recommend confirming fitment compatibility with your exact vehicle specifications. Expert installation is advised for optimal results.

Every order except for oversized items will automatically receive free standard shipping, so you can get your items without any additional cost.

If you need your order faster, express and same-day delivery options are available at checkout. Express and same-day delivery fees vary depending on the product and delivery location, so we’re unable to provide a standard rate in advance — the cost will be shown once your items are added to your cart.

We aim to provide same-day dispatch for all weekday orders placed before 12:00 PM (AEST during standard time or AEDT during daylight saving).

Once your order has been dispatched, you will receive an email notification with your tracking details. Tracking information may take up to 24 hours to appear, and please check your spam or junk folder if you don’t see the email in your inbox. Tracking is always included for orders above $50. For orders below $50, tracking will be provided if available.

For international orders, please note that shipments may be subject to import duties, taxes, and customs processing fees, which are applied once the package reaches its destination country. These charges are not included in our shipping fees and are the responsibility of the recipient.

Important Notes: While we strive to provide accurate delivery estimates, delays may occur due to stock availability, courier conditions, or other unforeseen factors. We appreciate your understanding and patience in these situations. Regardless of order value, every item is packed with care and delivered as promptly as possible.

All orders are covered by our free Standard Return & Refund Policy.

If you change your mind, you can return any unused, uninstalled product in its original condition at any time (there is no time limit) for store credit.

If your item arrives defective, damaged, or incorrect, please notify us within 30 days. We cover return shipping for confirmed defects or errors and will provide either a replacement or a full refund to your original payment method.

For change-of-mind returns, you’ll need to cover the return shipping cost. To start the process, simply fill out the required fields in our contact form.

All approved change-of-mind returns are processed as store credit only. Once your item has been received and inspected, processing may take up to 15 business days.

Every return is handled with care to ensure a fair and reliable process.

If your item arrives defective, damaged, or incorrect, please notify us within 30 days. We cover return shipping for confirmed defects or errors and will provide either a replacement or a full refund to your original payment method.

Guaranteed Fitment and Compatibility

OEM-Standard Belt Tensioners

Don't settle for cheap replacements, choose lasting reliability. Built to OEM specifications for precise tension control and long-term reliability. Each unit is tested for load capacity, bearing alignment, and damping performance to ensure smooth, vibration-free belt operation. Designed to maintain consistent tension under all temperature and load conditions.

Built for Australian Conditions Proven performance. Lasting reliability.
Mercedes-Benz GL-Class X164 / X166 (2009 - 2015) Drive Belt Tensioner Features
Position of key components may differ from product to product
Feature Detail

Select a numbered point above

Tap any marker to discover the engineering behind each component.

Component Breakdown

Engineering features explained

1

Precision Pulley Wheel

Machined to exact OEM tolerances for optimal belt tracking and reduced friction. The pulley surface is treated for wear resistance and balanced to prevent vibration at high engine speeds.

2

High-Load Bearing Assembly

Sealed bearing system provides smooth, low-resistance rotation and long service life. Factory-lubricated and tested for noise, vibration, and harshness (NVH) to ensure silent operation and durability under load.

3

Heavy-Duty Spring Mechanism

Internal torsion spring maintains consistent belt tension through dynamic load changes. Designed for precise deflection and recovery to prevent belt slippage or premature wear.

4

Reinforced Mounting Bracket

Die-cast aluminium or steel bracket provides structural rigidity and perfect alignment with the engine drive system. Tested for thermal expansion and vibration resistance to ensure reliable operation in demanding environments.

5

Corrosion-Resistant Coating

Protective surface finish guards against oxidation, coolant exposure, and road contaminants. Extends the life of both pulley and housing components for consistent performance over time.