Estimates last updated October 16, 2025

2020 Mercedes-Benz S450 Timing Chain Tensioner Replacement Cost

The average cost for a 2020 Mercedes-Benz S450 Timing Chain Tensioner Replacement is between $603 and $660.

• Labor costs are estimated between $122 and $179 while parts are typically priced around $481.
• 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.