Mercedes-Benz 300SEL Distributor Cap and Rotor Replacement at your home or office.

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Distributor Cap and Rotor Replacement Service

How much does a Distributor Cap and Rotor Replacement cost?

On average, the cost for a Mercedes-Benz 300SEL Distributor Cap and Rotor Replacement is $299 with $159 for parts and $140 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1990 Mercedes-Benz 300SELL6-3.0LService typeDistributor Cap and Rotor ReplacementEstimate$481.08Shop/Dealer Price$568.90 - $818.19
1991 Mercedes-Benz 300SELL6-3.0LService typeDistributor Cap and Rotor ReplacementEstimate$472.07Shop/Dealer Price$556.80 - $803.77
Show example Mercedes-Benz 300SEL Distributor Cap and Rotor Replacement prices

What are the Distributor Rotor and Cap all about?

When the engine is running, high voltage created by the ignition coil travels through the coil wire to the ignition rotor. As the ignition rotor turns in the distributor, the rotor distributes the spark by sending it in a synchronized order through the spark plug wires to the spark plug located in each of the engine's cylinders.

The distributor is a main component of the ignition system. It takes very high voltage and delivers it to fire the spark plugs.

Keep in mind:

  • When the distributor rotor and cap are replaced, the entire ignition system should be inspected.
  • After replacing the distributor rotor and cap, the ignition wires will need to be reinstalled.

How it's done:

  • Check the ignition system.
  • Replace the cap and rotor if found faulty.
  • Re-check the ignition system.
  • Check ignition timing if needed.

Our recommendation:

Whenever your vehicle has routine maintenance or servicing, the ignition system should be inspected thoroughly. If you ever notice your ignition system having a hard time (such as your car having trouble turning on or staying on), then you should schedule an inspection.

What common symptoms indicate you may need to replace the Distributor Rotor and Cap?

  • Engine misfires.
  • Car does not start.
  • Noises from the engine.
  • Check engine light is on.

How important is this service?

The distributor rotor and cap is used when the engine is running. During this time, high voltage is created by the ignition coil, and sent through the coil wire to the ignition rotor. This rotor turns inside the distributor, and as it does so, it evenly distributes sparks to the spark plugs, through the spark plug wires. The spark plugs then use this spark to ignite the fuel mixture, which allows the engine to keep running.

If the distributor rotor and cap malfunction, the voltage from the ignition coil won’t be redistributed to the spark plugs, and your engine will either have a hard time running, or won’t run at all.

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Meet some of our expert Mercedes-Benz mechanics

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Excellent Rating

(7)

Rating Summary
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Robert

18 years of experience
28 reviews
Robert
18 years of experience
Mercedes-Benz 300SEL L6-3.0L - Drive Belt Tensioner - Newtown Square, Pennsylvania
Robert has a positive attitude and is very professional. He got my vintage (ancient?) Mercedes all patched up and running again. I would definitely recommend Robert without hesitation!

Christian

23 years of experience
68 reviews
Christian
23 years of experience
Mercedes-Benz 420SEL V8-4.2L - Distributor Rotor and Cap - Hayward, California
Sometime he runs a little late on his appointment but the good thing about it he gives me a call and let's me know that he's stuck in traffic are whatever other variables that might occur

Michael

17 years of experience
606 reviews
Michael
17 years of experience
Mercedes-Benz SL500 V8-5.0L - Distributor Rotor and Cap - Atlanta, Georgia
Awesome

Michael

17 years of experience
606 reviews
Michael
17 years of experience
Mercedes-Benz SL500 V8-5.0L - Distributor Rotor and Cap - Atlanta, Georgia
Excellent wrench!

Excellent Rating

(7)

Rating Summary
6
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1
6
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Number of Mercedes-Benz Distributor Cap and Rotor Replacement services completed
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TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
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