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Mercedes Benz
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2012
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S 550 4MATIC (221.194) V8-4.6L Turbo (278.932)
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Parts and Labor
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Powertrain Management
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Sensors and Switches - Powertrain Management
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Sensors and Switches - Computers and Control Systems
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Knock Sensor
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Labor Times
Knock Sensor: Labor Times
Standard Hours
Manufacturer Warranty Hours
Skill Level
Notes
Replace
One Side
2.1
1.5
B
Both Sides
2.3
1.6
B