Mercedes-Benz S450 Alternator Repair at your home or office.

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Alternator Repair Service

How much does a Alternator Repair cost?

On average, the cost for a Mercedes-Benz S450 Alternator Repair is $422 with $308 for parts and $114 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2009 Mercedes-Benz S450V8-4.7LService typeAlternator RepairEstimate$753.53Shop/Dealer Price$919.41 - $1390.07
2010 Mercedes-Benz S450V8-4.7LService typeAlternator RepairEstimate$729.53Shop/Dealer Price$895.44 - $1366.11
2011 Mercedes-Benz S450V8-4.7LService typeAlternator RepairEstimate$729.53Shop/Dealer Price$895.43 - $1366.10
2008 Mercedes-Benz S450V8-4.7LService typeAlternator RepairEstimate$729.53Shop/Dealer Price$895.41 - $1366.06
Show example Mercedes-Benz S450 Alternator Repair prices

How does an alternator help your car run?

The alternator is the component that charges the battery in your car. When you use electrical components in your car (stereo, lights, etc.), the battery loses power. The alternator recharges the battery, replenishing the lost battery power. The alternator is located in the engine compartment. If the alternator is not working properly, your car will only stay running for as long as the battery has power stored. Once the battery loses power, your car will not start. Normally, a malfunctioning alternator will turn on the battery warning light or will have a low volt gauge reading.

Alternator

Before repairing the alternator:

The mechanic should check the entire charging system before installing a new alternator, including checking battery cables for corrosion and the condition of the battery.

Steps when replacing an alternator:

  • Inspect entire charging system (battery, cables, alternator).
  • Inspect the drive belts.
  • Test alternator output.
  • Remove and replace alternator if found to be faulty.
  • Re-test alternator output.

Our recommendation for alternator replacements:

Ask your mechanic to inspect the condition of the charging system during every major service. The mechanic should also clean and tighten the battery cables during every major service.

What common symptoms indicate you may need to replace the Alternator?

  • Dead battery or battery will not hold a charge.
  • Dim lights.
  • Battery warning light is on.

Why repairing your alternator is important:

Your alternator charges your battery, which powers the electronics in your vehicle, such as the radio and the air conditioning. The battery is also needed to turn on your vehicle. A malfunctioning alternator will not charge your car’s battery, and your vehicle will eventually run out of battery life and not be able to start.

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Meet some of our expert Mercedes-Benz mechanics

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Excellent Rating

(146)

Rating Summary
140
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1
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4
140
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4

Kenneth

20 years of experience
775 reviews
Kenneth
20 years of experience
Mercedes-Benz S450 V6-3.0L Turbo - Pre-purchase Car Inspection - Los Angeles, California
Kenneth is very friendly and easy to work with.

Ricardo

14 years of experience
339 reviews
Ricardo
14 years of experience
Mercedes-Benz S450 V6-3.0L Turbo - Pre-purchase Car Inspection - Culver City, California
Ricardo is very trustworthy, responsible, on time for the service , and fast reply.

Ricardo

14 years of experience
339 reviews
Ricardo
14 years of experience
Mercedes-Benz CLS500 V8-5.0L - Alternator - Los Angeles, California
Ricardo is a very excellent mechanic. He does all he can to correct the problem. His friendly demeanor makes you feel very comfortable he will do his best!

Daniel

24 years of experience
2 reviews
Daniel
24 years of experience
Mercedes-Benz CLS500 V8-5.0L - Alternator - Bloomfield Hills, Michigan
Professional, courteous and very knowlegable!

Excellent Rating

(146)

Rating Summary
140
1
1
0
4
140
1
1
0
4
Number of Mercedes-Benz Alternator Repair services completed
1606+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
1100+
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