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Mercedes-Benz ML550 Throttle Body Replacement at your home or office.

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Throttle Body Replacement Service

How much does a Throttle Body Replacement cost?

On average, the cost for a Mercedes-Benz ML550 Throttle Body Replacement is $906 with $752 for parts and $154 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2013 Mercedes-Benz ML550V8-4.7L TurboService typeThrottle Body ReplacementEstimate$2931.02Shop/Dealer Price$3625.11 - $5698.47
2009 Mercedes-Benz ML550V8-5.5LService typeThrottle Body ReplacementEstimate$2271.63Shop/Dealer Price$2802.92 - $4388.85
2012 Mercedes-Benz ML550V8-4.7L TurboService typeThrottle Body ReplacementEstimate$2921.11Shop/Dealer Price$3613.28 - $5685.21
2008 Mercedes-Benz ML550V8-5.5LService typeThrottle Body ReplacementEstimate$2271.63Shop/Dealer Price$2802.96 - $4388.93
2010 Mercedes-Benz ML550V8-5.5LService typeThrottle Body ReplacementEstimate$1665.35Shop/Dealer Price$2047.95 - $3181.33
2014 Mercedes-Benz ML550V8-4.7L TurboService typeThrottle Body ReplacementEstimate$2921.11Shop/Dealer Price$3613.44 - $5685.48
2011 Mercedes-Benz ML550V8-5.5LService typeThrottle Body ReplacementEstimate$1665.35Shop/Dealer Price$2045.15 - $3176.42
Show example Mercedes-Benz ML550 Throttle Body Replacement prices

What is the throttle body and how does it work?

The throttle body is an air metering device mounted between the air filter and snorkel, and the intake plenum. Within the throttle body is a movable throttle plate whose position controls the amount of air that enters the engine to determine engine speed. Throttle body designs vary. Some incorporate an idle air control valve, throttle position sensor, and other electronic throttle controls. The throttle plate in the throttle body can be controlled directly by an accelerator pedal cable or fully electronically in the newest drive-by-wire systems.

When to consider replacing the throttle body:

  • Check engine light and/or reduced power warning light is on. Most modern throttle bodies have electrical components, such as a throttle position sensor. These components are monitored by the powertrain control module (PCM). If the check engine light or reduced power warning light comes on, a mechanic will determine if any of the stored trouble codes implicate a throttle body malfunction.
  • Wrong idle speed. Carbon deposits in the throttle body, particularly around the movable throttle plate or in the idle air control valve, can cause the engine idle speed to be too low or too high.
  • Poor transmission shifting. In some applications, transmission shift timing relies on signal outputs from the throttle body. If the throttle position sensor is defective, that might adversely affect shift timing and feel.

How do mechanics replace the throttle body?

  • The engine cover is removed, if necessary.
  • The flexible rubber snorkel from the air filter housing to the throttle body is disconnected. Typically, the connection is made with a large stainless steel hose clamp.
  • The electrical connections to the throttle body are removed.
  • If the throttle body is not a drive-by-wire system, the accelerator cable and cruise control cable are disconnected and set aside.
  • The bolts retaining the throttle body to the plenum, the gasket, and the throttle body are removed. If the throttle body is being cleaned and tested for re-use, approved chemicals are used in the cleaning process.
  • The new or serviced throttle body is re-attached to the plenum and the bolts torqued to factory specifications.
  • All cables and electrical connections are restored. The intake air snorkel is reconnected.
  • If applicable, the electronic throttle installation and idle re-learn procedures are performed using an appropriate scan tool.
  • Finally, the engine is started, brought to normal operating temperature, and idle speed is checked. The car is road tested to ensure normal operation and no illumination of warning or service lights.

Is it safe to drive with a throttle body problem?

Yes. But, the vehicle may be limited in power or put into what is referred to as limp mode, in order to get the vehicle to a repair facility. If the check engine light is on, or the electronic throttle control warning light is on, but there is no noticeable difference in engine performance, the car can be safely driven. However, it is best to have it diagnosed and repaired at your earliest convenience to avoid unexpected breakdown or possible damage to the catalytic converter.

When replacing the throttle body keep in mind:

  • Many modern throttle bodies have spring loaded sensors and plastic gears that are not intended to be manipulated directly during any diagnostics or inspections. These components are controlled electronically or generate signals. It is best to let a mechanic use approved tests to diagnose the problem.
  • Wiring faults, bad grounds, or bad terminal connections can make it appear as though an electronically controlled throttle has failed. A mechanic will always rule out all other causes before replacing the throttle body.
  • When cleaning the throttle body, special care should be taken to use only special spray cleaners designed to not damage electrical components or sensors.

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services done by our mechanics
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Meet some of our expert Mercedes-Benz mechanics

Real customer reviews from Mercedes-Benz owners like you.

Excellent Rating

(26)
Rating Summary
24
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24
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Theodore

17 years of experience
1794 reviews
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Theodore
17 years of experience
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by Wilson
Mercedes-Benz ML550 V8-4.6L Turbo - Car Battery Replacement - Renton, Washington
Professional, Quick

Manuel

33 years of experience
590 reviews
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Manuel
33 years of experience
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by Dave
Mercedes-Benz ML550 V8-5.5L - Brake System Flush - Dana Point, California
Another plus effort from Manuel. His previous appointment went late but he still came through as promised and worked late to make sure my car was completed. Got right to work and finished way quicker than I thought he would. Thanks and I will always request Manuel.

Patrick

16 years of experience
406 reviews
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Patrick
16 years of experience
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by Jeffrey
Mercedes-Benz ML550 V8-5.5L - Oil Change - Richmond, Virginia
Islam was punctual, friendly, and professional. He completely his work in a timely fashion. This was my initial service doing business with you and because of the excellent service received from Islam, it won't be my last.

Matthew

13 years of experience
183 reviews
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Matthew
13 years of experience
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by Collin
Mercedes-Benz ML550 V8-5.5L - Brake Pads Replacement (Front) - Fishers, Indiana
Courteous did the job and even offered to take and throw the old parts away.

Excellent Rating

(26)
Rating Summary
24
2
0
0
0
24
2
0
0
0
Number of Mercedes-Benz ML550 services completed
286+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
1100+
experts on our platform
Yourmechanic was featured in

New York Times NBC CBS Forbes INC Tech Crunch

Learn more about us

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