2021 Mercedes-Benz C300 Alternator Parts

Keep Your 2021 Mercedes-Benz C300 in Top Shape with a Quality Alternator Part

When it comes to maintaining or upgrading your 2021 Mercedes-Benz C300, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Alternator Part for your C300. We currently carry a top Alternator Part in stock that is built to last. Whether you’re replacing a damaged Alternator Part or looking to upgrade, our selection for the 2021 Mercedes-Benz C300 ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Essential 2021 Mercedes-Benz C300 Alternator Parts

Bosch – Alternator: Remanufactured, 180 Amps, 2 Year Limited Warranty (Part No.AL0844X)

Alternator: Remanufactured, 180 Amps, 2 Year Limited Warranty

from

$402.99
The Bosch Premium Alternator, remanufactured to deliver 180 amps of power, is engineered for exceptional performance and reliability. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures consistent operation under demanding conditions. With a 12 VDC voltage rating and clockwise rotation direction, it is designed to integrate seamlessly into your vehicle’s electrical system. Unlike rebuilt units, these alternators are 100% factory tested and remanufactured using high-quality materials and advanced technology, ensuring long-lasting durability. Whether you’re upgrading or replacing, this alternator offers superior value by combining cutting-edge engineering with dependable functionality.

Product Features:


    Product Features:
    • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
    • 100% factory tested, units are remanufactured (not rebuilt)
    • Built to last – uses high quality materials and the most technologically advanced developments.
    • Seamless integration into your vehicle’s electrical system with a 12 VDC voltage rating and clockwise rotation direction.
    • Engineered to deliver consistent operation under demanding conditions, ensuring reliable performance.
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Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.11215A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$321.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
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Bosch – Alternator: New, 150 Amps, Limited Lifetime Warranty (Part No.AL0818N)

Alternator: New, 150 Amps, Limited Lifetime Warranty

from

$537.99
The Bosch Premium Alternator, delivering a robust 150-amp output at 14 VDC, is engineered for exceptional performance and reliability. Featuring 100% new components, it is built to endure the harshest environments, ensuring long-lasting functionality even under excessive heat and high electrical demands. Designed with precision, all mounting points are 100% gauged, resized, or rethreaded for a perfect fit, making installation seamless. Its clockwise rotation direction ensures compatibility with a wide range of vehicles. As an added benefit, every purchase includes free 24-hour Roadside Assistance Protection, offering peace of mind on the road. Choose this alternator for unmatched durability, superior performance, and outstanding value.

Product Features:


    Product Features:
    • 100% new components withstand the harshest environments for the best performance and longest life
    • Built specifically to withstand excessive heat and high electrical demands.
    • All mounting points 100% gauged and resized or rethreaded for proper fit
    • Free 24-hour Roadside Assistance Protection with purchase of any Bosch Alternator
    • Engineered for seamless compatibility with a wide range of vehicles, the clockwise rotation direction ensures optimal performance and reliability.
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Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.14051A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$351.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Premium – Alternator: Remanufactured, 200 Amps (Part No.10402A)

Alternator: Remanufactured, 200 Amps

from

$535.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 100% new OE-quality brushes and bearings are used to ensure long service life
    • Rotors and stators are load tested and double insulated for maximum charging performance
    • Slip rings are precision polished for maximum brush contact and service life
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

WAI – Bosch Ir/If 150 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.11215N)

Bosch Ir/If 150 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty

from

$275.99
This 150-amp alternator from WAI is a premium choice for those seeking reliability and performance. Engineered to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation. Its advanced voltage regulator protection guards against transient voltage spikes, preventing potential battery damage, while the low saturation voltage minimizes heat dissipation for enhanced durability. The high-power rectifier assembly, equipped with open junction press-fit diodes, keeps the unit running cool even under demanding conditions. Fully compliant with ECU communication, this alternator is designed to integrate seamlessly with your vehicle’s electrical system. Each unit comes with a printed copy of test results, providing transparency and confidence in its performance from the very first use. Built for long-lasting efficiency, this alternator delivers exceptional value and peace of mind for your vehicle’s electrical needs.

Product Features:
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • Voltage regulator protection – load dump protected against transient voltage spikes avoiding potential battery damage. Low saturation voltage results in lower heat dissipation. Fully compliant in communication with ECU.
  • High power rectifier assembly is designed with higher power open junction press fit diodes to keep the units running cool.
  • Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.
  • Designed for enhanced durability, the alternator’s low saturation voltage minimizes heat dissipation, ensuring long-lasting performance even under demanding conditions.
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Bosch – Alternator: Remanufactured, 180 Amps, 2 Year Limited Warranty (Part No.AL9462X)

Alternator: Remanufactured, 180 Amps, 2 Year Limited Warranty

from

$365.99
The Bosch Premium Alternator, delivering 180 amps and 12 VDC, is engineered for exceptional performance and reliability. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures dependable operation under demanding conditions. Unlike rebuilt units, it is 100% factory-tested and remanufactured using high-quality materials and cutting-edge technology, guaranteeing long-lasting durability. Designed with a clockwise rotation direction, it is built to handle the toughest electrical demands while maintaining peak efficiency. Whether you’re replacing a worn-out alternator or upgrading for better performance, this premium unit offers unmatched value and peace of mind.

Product Features:


    Product Features:
    • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
    • 100% factory tested, units are remanufactured (not rebuilt)
    • Built to last – uses high quality materials and the most technologically advanced developments.
    • Engineered for peak efficiency, the clockwise rotation design ensures optimal performance under high electrical demands.
    • Delivers a robust 180-amp output, providing reliable power for demanding applications.
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Valeo – Alternator: New (Part No.443277)

Alternator: New

from

$333.99
As a pioneer in automotive electrical systems since 1923, Valeo delivers OE-quality alternators trusted by global vehicle manufacturers. Valeo alternators are 100% new never remanufactured and are engineered with premium rare earth magnets to enhance power output without increasing unit size. Each unit is tested for up to 1,000 hours in extreme thermal, vibration, and electrical Conditions to guarantee long-lasting reliability. Designed for seamless OE fitment, Valeo alternators help improve charging efficiency and reduce CO emissions, making them the ideal solution for both performance and sustainability.

Product Features:


    Product Features:
    • 100% NEW PRODUCT – Valeo alternators are 100% new, not remanufactured, eliminating the risk of premature failure
    • OE FIT – Application-specific design ensures exact fit and seamless integration with vehicle systems
    • HIGH-EFFICIENCY OUTPUT – Premium rare earth magnets deliver higher charging power without increasing unit size
    • EXTREME TESTING – Each alternator undergoes up to 1,000 hours of load and thermal cycle testing for proven durability
    • BUILT TO LAST – Resistant to heat, vibration, and contaminants for long-term, reliable performance.
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Valeo – Alternator: New, 180 Amps (Part No.443272)

Alternator: New, 180 Amps

from

$489.99
Valeo’s premium alternator, delivering 180 amps and 14 VDC, is engineered for exceptional performance and reliability. Built entirely with 100% new components, it eliminates the risks associated with remanufactured units, ensuring long-lasting durability. Designed with premium rare earth magnets, this alternator achieves higher output without increasing size, enhancing efficiency and fuel economy. Its application-specific design guarantees an exact fit, while rigorous testing under extreme conditions for up to six months ensures it can withstand the harshest environments. With high resistance to heat, vibration, and contaminants, this alternator maintains maximum charge output, making it ideal for demanding electrical systems. As a product from a globally recognized leader in electrical systems, this alternator combines innovation and quality to deliver unmatched performance and reliability.

Product Features:
  • Valeo premium alternators are 100% new products (not remanufactured)
  • 100% new components and core eliminates premature failure for increased durability over remanufactured units
  • All parts are application specific for an exact fit
  • Premium rare earth magnets increase the output of the alternator without increasing the size for better efficiency
  • All applications go under extreme condition testing up to 6 months to ensure reliability under the harshest conditions and electrical demands
  • High resistance to heat, vibration, and contaminating particles helps maintain maximum charge output
See More

Carquest Professional – Alternator: New, 180 Amps, Limited Lifetime Warranty (Part No.11220AN)

Alternator: New, 180 Amps, Limited Lifetime Warranty

from

$707.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • All new components are utilized to ensure long service life
    • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
    • Internal electronics are upgraded for heavy duty reliability (where applicable)
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
    • Rotors and stators are load tested and double insulated for maximum charging performance
See More

Carquest Premium – Alternator: Remanufactured, 180 Amps, Limited Lifetime Warranty (Part No.11813A)

Alternator: Remanufactured, 180 Amps, Limited Lifetime Warranty

from

$544.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 100% new OE-quality brushes and bearings are used to ensure long service life
    • Rotors and stators are load tested and double insulated for maximum charging performance
    • Slip rings are precision polished for maximum brush contact and service life
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Premium – Alternator: Remanufactured, 190 Amps, Limited Lifetime Warranty (Part No.10304A)

Alternator: Remanufactured, 190 Amps, Limited Lifetime Warranty

from

$704.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 100% new OE-quality brushes and bearings are used to ensure long service life
    • Rotors and stators are load tested and double insulated for maximum charging performance
    • Slip rings are precision polished for maximum brush contact and service life
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Premium – Alternator: Remanufactured, 180 Amps, Limited Lifetime Warranty (Part No.11220A)

Alternator: Remanufactured, 180 Amps, Limited Lifetime Warranty

from

$304.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 100% new OE-quality brushes and bearings are used to ensure long service life
    • Rotors and stators are load tested and double insulated for maximum charging performance
    • Slip rings are precision polished for maximum brush contact and service life
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Bosch – Alternator: New, 180 Amps, Limited Lifetime Warranty (Part No.AL0844N)

Alternator: New, 180 Amps, Limited Lifetime Warranty

from

$658.99
The Bosch Premium Alternator, delivering a robust 180-amp output at 14 VDC, is engineered for peak performance and unmatched reliability. Featuring 100% new components, it is built to endure the harshest environments, ensuring long-lasting functionality even under excessive heat and high electrical demands. Designed with precision, all mounting points are 100% gauged, resized, or rethreaded for a perfect fit, making installation seamless. Its clockwise rotation direction ensures compatibility with a wide range of vehicles. As an added benefit, every purchase includes free 24-hour Roadside Assistance Protection, offering peace of mind on the road. This alternator is the ideal choice for those seeking durability, superior performance, and exceptional value.

Product Features:


    Product Features:
    • 100% new components withstand the harshest environments for the best performance and longest life
    • Built specifically to withstand excessive heat and high electrical demands.
    • All mounting points 100% gauged and resized or rethreaded for proper fit
    • Free 24-hour Roadside Assistance Protection with purchase of any Bosch Alternator
    • Engineered for seamless compatibility with a wide range of vehicles, thanks to its precise clockwise rotation design.
See More

Valeo – Alternator: New, 200 Amps (Part No.443271)

Alternator: New, 200 Amps

from

$739.99
The Valeo 200 Amp Alternator is a premium, 100% new product designed to deliver exceptional performance and reliability. Unlike remanufactured units, this alternator features all-new components and core, ensuring increased durability and eliminating the risk of premature failure. Engineered with application-specific parts, it guarantees an exact fit for seamless installation. Utilizing premium rare earth magnets, it achieves higher output without increasing size, enhancing efficiency and fuel economy. Tested under extreme conditions for up to six months, this alternator is built to withstand the harshest environments, including high heat, vibration, and exposure to contaminants, ensuring consistent and maximum charge output. With a 14 VDC voltage rating and a robust 200-amp capacity, it meets demanding electrical requirements while operating in a clockwise rotation. Trust Valeo’s legacy of innovation and expertise in electrical systems for a reliable, high-performance solution.

Product Features:
  • Valeo premium alternators are 100% new products (not remanufactured)
  • 100% new components and core eliminates premature failure for increased durability over remanufactured units
  • All parts are application specific for an exact fit
  • Premium rare earth magnets increase the output of the alternator without increasing the size for better efficiency
  • All applications go under extreme condition testing up to 6 months to ensure reliability under the harshest conditions and electrical demands
  • High resistance to heat, vibration, and contaminating particles helps maintain maximum charge output
See More

Bosch – Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty (Part No.AL0191X)

Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty

from

$409.99
The Bosch Premium Alternator, remanufactured to deliver 150 amps of power, is engineered for exceptional performance and reliability. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures dependable operation under demanding conditions. With a 12 VDC voltage rating and a clockwise rotation direction, it is designed to integrate seamlessly into your vehicle’s electrical system. Unlike rebuilt units, these alternators are 100% factory tested and remanufactured using high-quality materials and advanced technology, ensuring durability and long-lasting functionality. Whether you’re upgrading or replacing, this alternator offers superior value by combining cutting-edge engineering with robust construction for reliable power delivery.

Product Features:


    Product Features:
    • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
    • 100% factory tested, units are remanufactured (not rebuilt)
    • Built to last – uses high quality materials and the most technologically advanced developments.
    • Seamless integration into your vehicle’s electrical system with a 12 VDC voltage rating and clockwise rotation direction.
    • Engineered for reliable power delivery under demanding conditions, offering superior value for upgrades or replacements.
See More

Carquest Premium – Alternator: Remanufactured, 190 Amps, Limited Lifetime Warranty (Part No.11900A)

Alternator: Remanufactured, 190 Amps, Limited Lifetime Warranty

from

$736.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 100% new OE-quality brushes and bearings are used to ensure long service life
    • Rotors and stators are load tested and double insulated for maximum charging performance
    • Slip rings are precision polished for maximum brush contact and service life
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Most Popular Alternator for 2021 Mercedes-Benz C300s

Enhance your 2021 Mercedes-Benz C300 with this popular Alternator we have in stock, for $535.99.

Carquest Premium – Alternator: Remanufactured, 200 Amps (Part No.10402A)

Alternator: Remanufactured, 200 Amps

from

$535.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

FAQs for 2021 Mercedes-Benz C300 Alternator Parts

What’s the price range for 2021 Mercedes-Benz C300 Alternator Parts?

We currently have just one Alternator Parts for the 2021 Mercedes-Benz C300 in stock: Alternator: Remanufactured, 200 Amps and it costs $535.99.

Does Advance Auto Parts sell Alternator Parts for other Mercedes-Benz C300 model years?

Yes, we carry Alternator Parts for 13 model years of Mercedes-Benz C300s between 2008 and 2022. The following model years are the most popular for Alternator Part purchases: 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, and 2010.

Does Advance Auto Parts sell Alternator Parts for any other 2021 Mercedes-Benz models?

Yes. We stock Alternator Parts for 8 other popular 2021 Mercedes-Benz models. Some of the most popular are 2021 Sprinter 2500 Alternator Parts, 2021 Sprinter 3500 Alternator Parts, 2021 AMG GT Alternator Parts, 2021 E350 Alternator Parts, and 2021 GLA45 AMG Alternator Parts.

What types of Alternator Parts do you sell for my 2021 Mercedes-Benz C300?

We currently have just 1 Alternator Part in stock for a 2021 Mercedes-Benz C300, and as of 11/2/25, it is an Alternator.

Can I get help with 2021 Mercedes-Benz C300 Alternator Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercedes-Benz Alternator Parts and more.

What is your return policy for Mercedes-Benz C300 Alternator Parts?

Advance Auto Parts keeps returns simple. For new Mercedes-Benz C300 Alternator Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.