AC Compressor Replacement Estimate for Mercedes-Benz E420

Mercedes-Benz E420 AC Compressor Replacement costs $664 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$629 to $757
Labor: $245 -$288
Parts: $384 -$469
Average Dealer price
$1094 to 1273
Average Shop price
$772 to 886
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CarServiceYourMechanic PriceShop/Dealer Price
1995 Mercedes-Benz E420V8-4.2LService typeAC Compressor ReplacementYourMechanic Price$670.91Shop/Dealer Price$867.11 - $1249.90
1997 Mercedes-Benz E420V8-4.2LService typeAC Compressor ReplacementYourMechanic Price$742.74Shop/Dealer Price$956.53 - $1396.85
1994 Mercedes-Benz E420V8-4.2LService typeAC Compressor ReplacementYourMechanic Price$659.34Shop/Dealer Price$852.80 - $1227.03
Show example Mercedes-Benz E420 AC Compressor Replacement prices

Parts required for a Mercedes-Benz E420 AC Compressor Replacement

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27 years of experience
This is my second experience with Patrick. He is an outstanding mechanic! He's knowable and efficient. I would strongly recommend him!!
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16 years of experience
Joel was very professional and very detail on the issue I had with my vehicle.
2006 MERCEDES-BENZ ML350 - CHECK ENGINE LIGHT IS ON INSPECTION
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22 years of experience
First time booking Peter for an oil change. Provides excellent service and detailed inspection of service. Provided clean oil change at my office and recommend future service options. Will be using him again. Highly recommended!
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11 years of experience
Jared is very professional. He had to do significant diagnostics and trouble shooting to solve my MB electrical issue of a reset. I will use him again
1999 MERCEDES-BENZ SL500 - RESET INDICATOR LIGHTS
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All about AC Compressor Replacement

An AC system has many components: compressor, condenser, receiver dryer, evaporator, and hoses. The compressor, the “heart” of the car’s air conditioning system works like a pump taking refrigerant, (R-12 in older cars, R-134a in 1995 and newer cars) and pressurizing it, passing it along to the evaporator. The AC compressor has several moving parts (including pistons and valves). These internal parts can fail, causing the AC compressor to stop working. It is common for the internal parts of the compressor to come apart and disperse metallic debris throughout the system. Consequently, it is a requirement to replace the orifice tube and the receiver dryer when replacing the compressor since some of the debris may have ended up there. For an AC compressor to work, it needs a clutch, bearing, and an electrical connector. The clutch is driven by a drive/serpentine belt, which engages the compressor when you switch on the AC. The clutch can burn or the bearing can fail. If the bearing or clutch have failed, it is recommended that the compressor be replaced. Sometimes replacing the entire compressor with a remanufactured one can be cheaper than replacing an individual clutch or bearings. It is also common for the seals in the AC compressor to go bad. The compressor may start leaking refrigerant and/or the AC oil. If the seals no longer hold, you will need a new compressor, as the seals cannot be replaced. A compressor may also fail if there is sludge or debris in the air conditioning system. If there is sludge or debris, the hoses, evaporator, and condenser should be flushed to get rid of the contaminants. When it is not possible to flush the parts, you may need to replace those parts.

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