Mercedes-Benz Maybach S650 Water Pump Replacement at your home or office.

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Water Pump Replacement Service

How much does a Water Pump Replacement cost?

On average, the cost for a Mercedes-Benz Maybach S650 Water Pump Replacement is $298 with $136 for parts and $161 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2018 Mercedes-Benz Maybach S650V12-6.0L TurboService typeWater Pump ReplacementEstimate$467.60Shop/Dealer Price$552.64 - $769.48
Show example Mercedes-Benz Maybach S650 Water Pump Replacement prices

What is a water pump and how does it work?

The water pump is a belt or chain-driven engine accessory bolted to the engine above the crankshaft pulley. The pump housing has an impeller that circulates engine coolant through the cooling system passageways in the engine block and cylinder head, on to the radiator, where the coolant temperature is reduced. . The lower temperature coolant then flows back to the water inlet on the engine and the water pump continues the cycle.

When to consider replacing the water pump:

  • Coolant leaks or overheating. The water pump impeller shaft is supported by a bearing. Eventually, the bearing or seal can wear and leak or damage the impeller. Many water pumps have weep holes near the pump bearing. If you see significant leakage from that weep hole, it is time to replace the pump.
  • Bearing roughness or noise. If the water pump shaft does not turn smoothly or the pump is noisy, the bearing is excessively worn. Pump replacement will be necessary.
  • Timing belt replacement. In engines where the water pump is driven by the timing belt, it is a good idea to replace the water pump at the same time the timing belt is replaced. The extensive work explains why it is always recommended to replace the water pump whenever the mechanic already has these components removed for regularly scheduled timing belt replacement.

How do mechanics replace the water pump?

  • The water pump is usually bolted to the front of the engine. The replacement procedure will vary depending on whether the pump is driven by the timing belt, the serpentine belt, or chain.
  • On a cold engine, the engine coolant is drained to a level below the water pump.
  • Components that require removing to access the water pump are removed, including the belt or chain that directly drive the pump.
  • The bolts holding the pump to the engine are removed and the pump is pulled out.
  • The gasket surface must be cleaned and the pump mounting surface inspected. A new gasket, rubber seal, or RTV sealant, as required, is installed and then the new pump. The bolts are torqued in sequence using a calibrated inch pound torque wrench.
  • For applications where the water pump is driven by the timing belt, the timing belt must be removed. Typically, this requires removal of the crankshaft pulley, timing belt covers, and timing belt tensioner. Once the new pump is installed, new coolant is added back while bleeding the cooling system of any air. The engine is then run and brought to normal operating temperature to check for leaks and ensure normal operating temperature.

Is it safe to drive with a water pump problem?

No. Should the water pump only leak a little bit, you can drive the car. However, a small leak could suddenly enlarge or the pump bearing might unexpectedly seize. Either circumstance would likely cause engine overheating. If a defective water pump causes the overheating, it is not safe to drive because of the damage to the engine.

When replacing the water pump keep in mind:

  • It is best to install a new cooling system thermostat when you install a new water pump, especially if the thermostat is old or original.
  • Completely flushing the cooling system is a good idea when you replace the water pump. Flushing can be done before or after pump replacement.
  • The rest of the cooling system should be inspected too — particularly rubber hoses, which have a limited lifetime.

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Meet some of our expert Mercedes-Benz mechanics

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Excellent Rating

(38)

Rating Summary
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Frank

40 years of experience
57 reviews
Frank
40 years of experience
Mercedes-Benz CLK430 V8-4.3L - Water Pump - Atlanta, Georgia
Frank was GREAT, right on time and called to let me know he was on his way. Would request Frank again in the future. Nice guy!

Richard

11 years of experience
450 reviews
Richard
11 years of experience
Mercedes-Benz ML500 V8-5.0L - Water Pump - Houston, Texas
Shows up on time and gets the job completed in a timely manner never any issues.

Damian

11 years of experience
430 reviews
Damian
11 years of experience
Mercedes-Benz E320 V6-3.2L - Water Pump - Sorrento, Florida
He is very professional very neat work from now on I don't need to anywhere I will set up the appointment with Your mechanic

Charles

17 years of experience
176 reviews
Charles
17 years of experience
Mercedes-Benz C230 L4-2.3L - Water Pump - Washington, District of Columbia
Charles is honest, courteous and an excellent mechanic. He stays in high demand.

Excellent Rating

(38)

Rating Summary
32
3
2
0
1
32
3
2
0
1
Number of Mercedes-Benz Water Pump Replacement services completed
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services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
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