Mercedes-Benz E420 Crankshaft Harmonic Balancer Replacement at your home or office.

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Crankshaft Harmonic Balancer Replacement Service

How much does a Crankshaft Harmonic Balancer Replacement cost?

On average, the cost for a Mercedes-Benz E420 Crankshaft Harmonic Balancer Replacement is $237 with $142 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1994 Mercedes-Benz E420V8-4.2LService typeCrankshaft Harmonic Balancer ReplacementEstimate$399.97Shop/Dealer Price$488.72 - $715.58
1995 Mercedes-Benz E420V8-4.2LService typeCrankshaft Harmonic Balancer ReplacementEstimate$379.97Shop/Dealer Price$468.75 - $695.63
1997 Mercedes-Benz E420V8-4.2LService typeCrankshaft Harmonic Balancer ReplacementEstimate$1136.92Shop/Dealer Price$1409.96 - $2158.08
Show example Mercedes-Benz E420 Crankshaft Harmonic Balancer Replacement prices

What is the Crankshaft Harmonic Balancer all about?

The harmonic balancer (also called “crank pulley damper”), connected to the crankshaft of an engine, reduces engine vibration and serves as a pulley for the drive belts. The balancer or “damper” is composed of two elements: a mass and an energy-dissipating element. The mass resists the acceleration of the vibration and the energy dissipating (rubber) element absorbs the vibrations. When the balancer fails, it is usually due to heat, salt, and or ozone deterioration of the rubber. General wear, tear, and stress on the rubber is also a factor.

Keep in mind:

Usually a problem with the harmonic balancer means that it needs to be replaced. However, sometimes the rubber insert that sits between the center and the outside of the pulley is all that is damaged. It is also possible for the bolt that holds the balancer in place to become loose, which can cause problems even if the pulley isn’t damaged.

How it's done:

  • Inspect the harmonic balancer.
  • Remove drive belts and balancer.
  • Inspect condition of crankshaft front seal.
  • Replace the harmonic balancer.
  • Reinstall drive belts.
  • Start car and check for proper operation.

Our recommendation:

Harmonic balancers aren’t a part of most standard inspections, so keep your eye out for warning signs. If you notice excess vibration or noise from the engine, then your balancer may be damaged, and you need to schedule an inspection.

What common symptoms indicate you may need to replace the Crankshaft Harmonic Balancer?

  • Vibration from engine.
  • Loud, abnormal engine noise, which increases with acceleration.

How important is this service?

The crankshaft harmonic balancer is connected to the crankshaft, and absorbs many of the vibrations that the engine creates. The engine creates a large amount of force that is delivered to the crankshaft, which transfers the power to the transmission. The harmonic balancer is responsible for absorbing some of the engine-created force so that the crankshaft doesn’t receive it all. When the harmonic balancer fails, the crankshaft receives all of the engine’s vibrations, and is susceptible to serious damage.

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Excellent Rating

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Rating Summary
18
2
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18
2
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Andrew

11 years of experience
337 reviews
Andrew
11 years of experience
Mercedes-Benz E420 V8-4.2L - Engine is running louder than normal Inspection - Glen Burnie, Maryland
Andrew was on time and knowledgeable. He was honest to determine no work was necessary. He took the time to research another mechanic issue and gave a quote.

Sebastian

10 years of experience
2 reviews
Sebastian
10 years of experience
Mercedes-Benz E420 V8-4.2L - Oil Change - Tampa, Florida
Sebastian was awesome. He was very talkative and engaging. Super sweet!

Matthew

21 years of experience
21 reviews
Matthew
21 years of experience
Mercedes-Benz E420 V8-4.2L - Car is not starting - Glen Burnie, Maryland
Very informative and thorough in attempt to determine the mechanical issue although none was detected. Highly recommended.

Kahlin

17 years of experience
41 reviews
Kahlin
17 years of experience
Mercedes-Benz E420 V8-4.2L - Car is not starting - Chula Vista, California
Kahlin is a real cool guy, great attitude, arrive on time, and did his best, sadly he wasn't able to give me a diagnosis so it was a waste of everybody's time.

Excellent Rating

(24)

Rating Summary
18
2
1
0
3
18
2
1
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3
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