Mercedes-Benz S420 Fuel Gauge Sender Replacement Costs

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Fuel Gauge Sender Replacement Service

How much does a Fuel Gauge Sender Replacement cost?

On average, the cost for a Mercedes-Benz S420 Fuel Gauge Sender Replacement is $323 with $228 for parts and $95 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
1998 Mercedes-Benz S420V8-4.2L	Service typeFuel Gauge Sender Replacement	Estimate$707.57	Shop/Dealer Price$869.84 - $1305.47
1996 Mercedes-Benz S420V8-4.2L	Service typeFuel Gauge Sender Replacement	Estimate$579.79	Shop/Dealer Price$716.66 - $1075.98
1999 Mercedes-Benz S420V8-4.2L	Service typeFuel Gauge Sender Replacement	Estimate$681.57	Shop/Dealer Price$843.88 - $1279.53
1994 Mercedes-Benz S420V8-4.2L	Service typeFuel Gauge Sender Replacement	Estimate$551.29	Shop/Dealer Price$682.86 - $1038.20
1997 Mercedes-Benz S420V8-4.2L	Service typeFuel Gauge Sender Replacement	Estimate$579.79	Shop/Dealer Price$716.69 - $1076.03
1995 Mercedes-Benz S420V8-4.2L	Service typeFuel Gauge Sender Replacement	Estimate$579.79	Shop/Dealer Price$716.65 - $1075.97

Show example Mercedes-Benz S420 Fuel Gauge Sender Replacement prices

What is the Fuel Gauge Sender all about?

The fuel gauge sender is a fairly simple component that is located in your car’s fuel tank. It consists of a float that is connected to a metal rod. The end of this thin rod is mounted to a resistor, which measures electrical flow. When there is more resistance, less current flows. A slider connected to the fuel gauge slides on the metal strip, and delivers current to the resistor from the gauge. If the slider is close the grounded side, there is less resistance, and if it’s at the end of the strip, there is more resistance. The fuel gauge on your dash interprets the resistance and indicates the fuel level with a needle on your cluster. If the fuel gauge sender isn’t working, you will get an inaccurate reading on your fuel gauge.

Keep in mind:

Fuel gauge inaccuracy may not be due to a faulty fuel gauge sender – something as simple as the shape of the tank can affect the position of the float and throw the reading off.

How it's done:

The battery is disconnected and the fuel tank is removed
The defective fuel gauge sender is removed
The new fuel sender is installed and adjusted
The fuel tank is reinstalled and the battery reconnected
The repair is verified and the fuel gauge sender tested for proper operation

Our recommendation:

Variations in gas gauge readings are common, but if you notice a significant difference in what the gauge tells you, and what you know is in your car gas tank, have one of our expert mechanics diagnose the problem with the fuel gauge sender and replace it if necessary.

What common symptoms indicate you may need to replace the Fuel Gauge Sender?

Fuel gauge only reads empty
Fuel gauge only reads full
Fuel gauge reads inaccurately or intermittently

How important is this service?

The fuel gauge is a convenience item; if you run out of fuel, you may be stranded. If your fuel gauge sender has failed or is working intermittently, have it replaced when you can. Make sure to fuel up regularly to avoid running out of fuel.

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Melvin

17 years of experience

221 reviews

Melvin

17 years of experience

by Bervin

Mercedes-Benz S420 V8-4.2L - Trunk does not lock or open - Atlanta, Georgia

I am a independent private driver, and my trunk, passenger doors, engine light, sunroof all began to malfunction at the same time on my s500 Mercedes Melvin came out in the cold and in 30 minutes knew exactly what all the problems were. His knowledge is superb! I will be using Mr Melvin again.

Tam

22 years of experience

251 reviews

Tam

22 years of experience

by Alex

Mercedes-Benz S420 V8-4.2L - Fuel Filter - San Francisco, California

Jamie

22 years of experience

98 reviews

Jamie

22 years of experience

by Timothy

Mercedes-Benz S420 V8-4.2L - Serpentine/Drive Belt Replacement - Ontario, California

Great job

Whitney

39 years of experience

783 reviews

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Whitney

39 years of experience

Request Whitney

by Larry

Mercedes-Benz S420 V8-4.2L - Brake Pads Replacement (Front, Rear) - Palo Alto, California

He is great.

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