Knock Sensor: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Electronic Ignition | 3.4 | 2.4 | B | After Intake Manifold Is Removed On 600SEC, 600SEL & 600SL Models Only. | 
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Electronic Ignition | 3.4 | 2.4 | B | After Intake Manifold Is Removed On 600SEC, 600SEL & 600SL Models Only. |