× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2007 Mercedes-Benz CLK550 5.5L Cooling Fan
Posted to European Engine on 6/7/2016 6 Replies

cls550 came in with the fan coming on and running at high speed. Then it will flucuate up and down. This happens with A.C. on or off. Connector to fan looks Ok. Voltages: Red wire= B+

brn wire= Ground

Rd/grn wire=12v key on

grn/blu wire=.7volts to 4.4 volts...

6 Replies Received (View Replies)

  Related Documents & Media  2007 Mercedes-Benz CLK550

 
Message Closed

car Vehicle Data

2007 Mercedes-Benz CLK550

VIN WDDDJ72X57
Engine5.5 L / 8 cyl / GAS
Trans7-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedCooling Fan
ConditionsFlucuating Speed Up and Down
Message Closed

car Vehicle Data

2007 Mercedes-Benz CLK550

VIN WDDDJ72X57
Engine5.5 L / 8 cyl / GAS
Trans7-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedCooling Fan
ConditionsFlucuating Speed Up and Down