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How to Use Launch X431 Program Idle Speed for Benz S400 2016

Benz-S400-2016

After clean up throttle,you need to use this function when find idle speed instability by programming idle speed.For more projects on Benz,please check here: Mercedes Benz Repair What You Need? Launch X431 Pro Oprating Instructions: 1.Use X431-PADIII,enter local diagnostic, choose… Continue Reading