FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Windshield Intermittent Wiper Inspection

ON-VEHICLE SERVICE

WINDSHIELD INTERMITTENT WIPER INSPECTION

Required Special Tool:
- MB991958: Scan Tool (MUT-III Sub Assembly)

1. If the windshield intermittent wiper interval adjusting knob is operated, the wiper interval should change.
2. Holding the windshield intermittent wiper interval adjusting knob, input the simulated vehicle speed with scan tool MB991958 (MUT-III sub assembly) and check that the wiper interval changes as the vehicle speed changes.
3. If not, carry out the troubleshooting (Refer to Local Interconnect Network (LIN) Diagnosis).