Estimates last updated January 28, 2026

Mercedes-Benz GL320 Timing Chain Tensioner Replacement Cost

The average cost for a Mercedes-Benz GL320 Timing Chain Tensioner Replacement is between $541 and $687.

• Labor costs are estimated between $255 and $374 while parts are priced between $286 and $313.
• This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.
• For a more accurate estimate based on your location, use our Fair Price Estimator below.