Knock Sensor: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Electronic Ignition | 1.8 | 1.3 | B | After Intake Manifold Is Removed On 600SL Models Only. |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Electronic Ignition | 1.8 | 1.3 | B | After Intake Manifold Is Removed On 600SL Models Only. |