Belt Tensioner

Mercedes-Benz Belt Tensioner A2204630117 – Precision Engine Accessory Drive Component

Optimize your Mercedes-Benz engine performance with the Belt Tensioner A2204630117, engineered to exact OEM specifications for reliable belt alignment, consistent tension, and long-term durability. This high-quality tensioner ensures smooth operation of alternator, power steering, and air conditioning drives, preventing belt slippage and premature wear.

Key Features

• OEM-Exact Design
  Precisely manufactured to match original Mercedes-Benz dimensions and mounting points, guaranteeing a direct fit without modifications.

• Heavy-Duty Construction
  Made from durable heat-resistant aluminum alloy and reinforced polymer bearings to withstand continuous high-speed rotation and extreme under-hood temperatures.

• Integrated Damping Mechanism
  Advanced spring-loaded damper absorbs shock and vibration, reducing belt chatter and noise for a quieter, smoother drive.

• Corrosion-Resistant Finish
  Protective coating safeguards against moisture, road salt, and oil exposure, extending service life and maintaining consistent performance.

Performance Benefits

1. Optimal Belt Tension
   Maintains constant pressure on the serpentine belt, preventing slip and ensuring efficient power transfer to all engine accessories.

2. Enhanced Engine Reliability
   Reduces risk of belt failure, overheating, and accessory malfunction, safeguarding critical systems such as charging and steering.

3. Lower Maintenance Costs
   Robust materials and precision engineering extend replacement intervals, minimizing downtime and service expenses.

4. Smooth, Quiet Operation
   Integrated vibration damping delivers a refined driving experience free of squeal and rattles.

Applications & Compatibility

Designed for a wide range of Mercedes-Benz models—including C-Class, E-Class, S-Class, GLC, GLE, and GLS—equipped with the corresponding accessory drive configuration. Always confirm part compatibility with your vehicle’s VIN or consult a certified technician before installation.