Mercedes-Benz 500SL Condenser Fan Relay Replacement at your home or office.

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Condenser Fan Relay Replacement Service

How much does a Condenser Fan Relay Replacement cost?

On average, the cost for a Mercedes-Benz 500SL Condenser Fan Relay Replacement is $145 with $50 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1993 Mercedes-Benz 500SLV8-5.0LService typeCondenser Fan Relay ReplacementEstimate$214.83Shop/Dealer Price$257.29 - $345.30
1991 Mercedes-Benz 500SLV8-5.0LService typeCondenser Fan Relay ReplacementEstimate$194.83Shop/Dealer Price$237.32 - $325.35
1990 Mercedes-Benz 500SLV8-5.0LService typeCondenser Fan Relay ReplacementEstimate$194.83Shop/Dealer Price$237.32 - $325.35
1992 Mercedes-Benz 500SLV8-5.0LService typeCondenser Fan Relay ReplacementEstimate$194.83Shop/Dealer Price$237.28 - $325.28
Show example Mercedes-Benz 500SL Condenser Fan Relay Replacement prices

What is the Condenser Fan Relay all about?

The condenser fan relay connects to the condenser fan and allows it to turn on when the air conditioner in the vehicle is turned on. It enables the cooling fan to pull air through the radiator and the condenser to cool out the vehicle. The relay is part of the cooling fan circuit. Other components include a temperature sensor, control module, and the fan motor.

The relay is the most likely component to fail in the circuit and must be replaced. The relay coil will generally read between 40 and 80 ohms on a test meter. If it reads higher, the relay may be working but is failing and should be replaced right away. If the reading is low, it means the relay has already failed. If you attempt to run the AC when the relay doesn’t work properly, you may cause it to overheat or even result in the engine overheating.

Keep in mind:

  • Some vehicles have two fans – one runs the radiator and the other operates the condenser.
  • Both fans should come on when the AC is activated.
  • When the relay is failing, it may work some of the time but not all of the time – don’t continue to use it without having it checked out first.
  • If you gently shake the relay and hear something rattling, it indicates that the armature has broken.

How it's done:

  • The condenser fan relay is verified that it needs to be replaced. The relay is located within the main fuse box.
  • The defective condenser fan relay is removed from the fuse box and connector checked to be functional.
  • The new condenser fan relay is installed into the connection and the fuse box is closed.
  • The A/C is turned on and the condenser fan relay is tested for operation.
  • The vehicle is tested to ensure proper operation of the condenser fan relay and fans.

Our recommendation:

If the air doesn’t circulate when the air conditioning is turned on, it may indicate a failed condenser fan relay. Turn off the air conditioning system until it can be inspected by one of our expert mechanics. Attempting to use the air conditioning with a bad fan relay can cause the engine to overheat and lead to other problems.

What common symptoms indicate you may need to replace the Condenser Fan Relay?

  • Air conditioner fails to work properly
  • Air conditioner may work one time and not the next
  • Engine is overheating

How important is this service?

It is extremely important to have the condenser fan relay replaced if you plan on using the air conditioner. Serious damage to the engine can result if you attempt to run the AC with a faulty or failed condenser fan relay. If it occurs at the end of hot weather season and you do not plan on operating the AC, you may wait to replace it at your earliest convenience.

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Jahmar

18 years of experience
36 reviews
Jahmar
18 years of experience
Mercedes-Benz 500SL V8-5.0L - Smell in the car - Boca Raton, Florida
Excellent machanic

Jay

37 years of experience
956 reviews
Jay
37 years of experience
Mercedes-Benz 500SL V8-5.0L - replace fuel injector housing pressure regulator hydraulic solenoid or actuator - Chino Hills, California
Great experience

John

27 years of experience
1019 reviews
John
27 years of experience
Mercedes-Benz 500SL V8-5.0L - Car idle is rough - Texas City, Texas
Nice job works to get it right

Allen

36 years of experience
471 reviews
Allen
36 years of experience
Mercedes-Benz 500SL V8-5.0L - Pre-purchase Car Inspection - Longwood, Florida
Allen is a very professional individual. His only goal was to answer or address my questions or concerns that came up during the pre-purchase inspection that I contracted for.

Excellent Rating

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Number of Mercedes-Benz 500SL services completed
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services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
1100+
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