2012 Mercedes-Benz SLK250 Alternators and Starters

Essential Alternators and Starters for 2012 Mercedes-Benz SLK250s

WAI – Starter: 1.1kW/12 Volt, CW, 9-Tooth Pinion (Part No.17920N)

Starter: 1.1kW/12 Volt, CW, 9-Tooth Pinion

from

$321.99
Product Features:
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • Premium grade solenoids contains materials specifically selected for best conductivity. High temperature cap ensures that the solenoid works flawlessly in high heat environments. High dielectric strength outer case resists shorting.
  • Armatures have precision machined and upgraded steel shaft for improved durability and performance.
  • 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.
See More

Valeo – Starter Motor438493 2012-2015 Mercedes-Benz C250 1.8L (Part No.438493)

Starter Motor438493 2012-2015 Mercedes-Benz C250 1.8L

from

$359.99
Product Features:
  • Valeo premium starters are 100% new products (not remanufactured)
  • All components are 100% new eliminating premature failure for increased durability over remanufactured units
  • Direct replacement ensuring a perfect fit and easy installation
  • Extreme condition testing ensuring reliability under the harshest demands: noise, vibration, corrosion, durability
  • Speed, temperature, and electrical measurement tests can undergo up to 40,000 cycles to ensure dependable performance
See More

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.17920S)

Starter: Remanufactured, Limited Lifetime Warranty

from

$330.99
Carquest Premium starters are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium starters are designed to meet or exceed OE specifications for fit, form and function. Our starters are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and needle 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.
See More

Bosch – Starter: Remanufactured (Part No.SR0824X)

Starter: Remanufactured

from

$368.99
The Bosch Premium Starter is engineered to deliver exceptional performance and reliability, making it a dependable choice for your vehicle’s ignition system. Designed with a clockwise (right) rotation and featuring a 9-tooth configuration, this starter ensures precise engagement and smooth operation. Operating at 12 VDC, it provides consistent power to get your engine running efficiently. Built to Bosch’s high standards, this remanufactured starter undergoes rigorous testing to meet or exceed OEM specifications, ensuring long-lasting durability and optimal functionality. Whether you’re replacing a worn-out starter or upgrading for better performance, this premium component offers excellent value and peace of mind for your vehicle’s starting system.

Product Features:


    Product Features:
    • Engineered for exceptional performance and reliability, ensuring dependable ignition system operation.
    • Designed with a 9-tooth configuration for precise engagement and smooth engine startup.
    • Operates at 12 VDC to deliver consistent and efficient power for your vehicle.
    • Remanufactured to meet or exceed OEM specifications, ensuring long-lasting durability.
    • Undergoes rigorous testing to guarantee optimal functionality and peace of mind.
See More

National – Multi-Purpose Bearing (Part No.106-CC)

Multi-Purpose Bearing

from

$37.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • BUILT TO LAST — Advanced heat treatment process for strength
  • PREMIUM MATERIALS — Precision manufactured using premium-grade steel for lasting performance and extended bearing life
  • RELIABLE PERFORMANCE — Element size and quantity are engineered to meet or exceed the load rating of OE bearings
  • COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

Carquest Premium – Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty (Part No.42016A)

Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty

from

$369.99
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: Remanufactured, 125 Amps, Limited Lifetime Warranty (Part No.AL9379X)

Alternator: Remanufactured, 125 Amps, Limited Lifetime Warranty

from

$517.99
The Bosch Premium Alternator, remanufactured to deliver 125 amps, 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. With an aluminum construction, a 12 VDC voltage rating, and a clockwise rotation direction, it is designed to meet the needs of modern vehicles. Whether you’re replacing a worn-out alternator or upgrading for better performance, this unit offers outstanding 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.
    • Designed with aluminum construction for lightweight durability and improved heat dissipation.
    • Engineered for modern vehicles, offering reliable performance with a 12 VDC voltage rating and clockwise rotation direction.
See More

Valeo – Alternator: New, 120 Amps (Part No.439678)

Alternator: New, 120 Amps

from

$699.99
The Valeo premium alternator delivers exceptional performance and reliability, making it a top choice for automotive electrical systems. Designed with 100% new components and core, this alternator eliminates the risk of premature failure, ensuring long-lasting durability compared to remanufactured units. Featuring premium rare earth magnets, it achieves superior efficiency by increasing output without enlarging its size. Engineered for exact fit with application-specific parts, it guarantees seamless compatibility and hassle-free installation. Tested under extreme conditions for up to six months, this alternator withstands heat, vibration, and contaminants, maintaining maximum charge output even in the harshest environments. With a 120-amp rating, 12 VDC voltage, and clockwise rotation, it meets demanding electrical requirements while boosting fuel economy. As an original equipment part now available in the aftermarket, this Valeo alternator combines innovation and reliability, offering outstanding value for drivers seeking optimal performance and efficiency.

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
  • Part Number 439678 is the original equipment part now available in the aftermarket.
See More

Upgrade your 2012 Mercedes-Benz SLK250 with Top-Quality Alternators and Starters

When it comes to maintaining or upgrading your 2012 Mercedes-Benz SLK250, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Mercedes-Benz or enhancing its overall performance, Alternators and Starters are key to keeping your SLK250 functioning at its best. At Advance Auto Parts, we offer a wide selection of 8 Alternators and Starters for the 2012 Mercedes-Benz SLK250, designed to meet your needs without breaking the bank. From Alternator Part replacements to Starter Parts upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Alternators and Starters for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Alternators and Starters for your 2012 Mercedes-Benz SLK250 at great prices. Our Alternators and Starters inventory for this model ranges from just $37.49 to $699.99, with an average price of $375.93. Our 8 Alternators and Starters in stock come from 5 trusted brands, so you’re sure to find the right part for your 2012 Mercedes-Benz SLK250 without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2012 Mercedes-Benz SLK250, we stock popular OEM and aftermarket Alternators and Starters from top names like Carquest Premium, and more. Carquest Premium Alternators and Starters start at just $330.99 and boast an impressive 4.4 stars average rating from customers. With 2 customer reviews and counting, our 2012 Mercedes-Benz SLK250 Alternators and Starters have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Alternators and Starter upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2012 Mercedes-Benz SLK250 is always ready to roll. We’re committed to providing you with everything you need to keep your SLK250 in top shape, all in one place. Start shopping confidently below for your 2012 Mercedes-Benz SLK250!

Best-Selling Alternator Parts for 2012 Mercedes-Benz SLK250s

Enhance the driving experience in your Mercedes-Benz with 3 quality Alternator Part components, starting at $369.99.

Carquest Premium – Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty (Part No.42016A)

Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty

from

$369.99
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

Valeo – Alternator: New, 120 Amps (Part No.439678)

Alternator: New, 120 Amps

from

$699.99
The Valeo premium alternator delivers exceptional performance and reliability, making it a top choice for automotive electrical systems. Designed with 100% new components and core, this alternator eliminates the risk of premature failure, ensuring long-lasting durability compared to remanufactured units. Featuring premium rare earth magnets, it achieves superior efficiency by increasing output without enlarging its size. Engineered for exact fit with application-specific parts, it guarantees seamless compatibility and hassle-free installation. Tested under extreme conditions for up to six months, this alternator withstands heat, vibration, and contaminants, maintaining maximum charge output even in the harshest environments. With a 120-amp rating, 12 VDC voltage, and clockwise rotation, it meets demanding electrical requirements while boosting fuel economy. As an original equipment part now available in the aftermarket, this Valeo alternator combines innovation and reliability, offering outstanding value for drivers seeking optimal performance and efficiency.

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
  • Part Number 439678 is the original equipment part now available in the aftermarket.
See More

Bosch – Alternator: Remanufactured, 125 Amps, Limited Lifetime Warranty (Part No.AL9379X)

Alternator: Remanufactured, 125 Amps, Limited Lifetime Warranty

from

$517.99
The Bosch Premium Alternator, remanufactured to deliver 125 amps, 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. With an aluminum construction, a 12 VDC voltage rating, and a clockwise rotation direction, it is designed to meet the needs of modern vehicles. Whether you’re replacing a worn-out alternator or upgrading for better performance, this unit offers outstanding 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.
  • Designed with aluminum construction for lightweight durability and improved heat dissipation.
  • Engineered for modern vehicles, offering reliable performance with a 12 VDC voltage rating and clockwise rotation direction.
See More

Most Popular 2012 Mercedes-Benz SLK250 Starter Parts

Customize your Mercedes-Benz with 5 Starter Parts products like Starters and Starter Bushings, all priced under $368.99.

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.17920S)

Starter: Remanufactured, Limited Lifetime Warranty

from

$330.99
Carquest Premium starters are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium starters are designed to meet or exceed OE specifications for fit, form and function. Our starters are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and needle 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.
See More

National – Multi-Purpose Bearing (Part No.106-CC)

Multi-Purpose Bearing

from

$37.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • BUILT TO LAST — Advanced heat treatment process for strength
  • PREMIUM MATERIALS — Precision manufactured using premium-grade steel for lasting performance and extended bearing life
  • RELIABLE PERFORMANCE — Element size and quantity are engineered to meet or exceed the load rating of OE bearings
  • COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

Bosch – Starter: Remanufactured (Part No.SR0824X)

Starter: Remanufactured

from

$368.99
The Bosch Premium Starter is engineered to deliver exceptional performance and reliability, making it a dependable choice for your vehicle’s ignition system. Designed with a clockwise (right) rotation and featuring a 9-tooth configuration, this starter ensures precise engagement and smooth operation. Operating at 12 VDC, it provides consistent power to get your engine running efficiently. Built to Bosch’s high standards, this remanufactured starter undergoes rigorous testing to meet or exceed OEM specifications, ensuring long-lasting durability and optimal functionality. Whether you’re replacing a worn-out starter or upgrading for better performance, this premium component offers excellent value and peace of mind for your vehicle’s starting system.

Product Features:


Product Features:
  • Engineered for exceptional performance and reliability, ensuring dependable ignition system operation.
  • Designed with a 9-tooth configuration for precise engagement and smooth engine startup.
  • Operates at 12 VDC to deliver consistent and efficient power for your vehicle.
  • Remanufactured to meet or exceed OEM specifications, ensuring long-lasting durability.
  • Undergoes rigorous testing to guarantee optimal functionality and peace of mind.
See More

Valeo – Starter Motor438493 2012-2015 Mercedes-Benz C250 1.8L (Part No.438493)

Starter Motor438493 2012-2015 Mercedes-Benz C250 1.8L

from

$359.99
Product Features:
  • Valeo premium starters are 100% new products (not remanufactured)
  • All components are 100% new eliminating premature failure for increased durability over remanufactured units
  • Direct replacement ensuring a perfect fit and easy installation
  • Extreme condition testing ensuring reliability under the harshest demands: noise, vibration, corrosion, durability
  • Speed, temperature, and electrical measurement tests can undergo up to 40,000 cycles to ensure dependable performance
See More

WAI – Starter: 1.1kW/12 Volt, CW, 9-Tooth Pinion (Part No.17920N)

Starter: 1.1kW/12 Volt, CW, 9-Tooth Pinion

from

$321.99
Product Features:
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • Premium grade solenoids contains materials specifically selected for best conductivity. High temperature cap ensures that the solenoid works flawlessly in high heat environments. High dielectric strength outer case resists shorting.
  • Armatures have precision machined and upgraded steel shaft for improved durability and performance.
  • 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.
See More

Top-Rated Alternators and Starters Brands For Your 2012 Mercedes-Benz SLK250

Shop for the best-rated brands offering Alternators and Starters and other products for your 2012 Mercedes-Benz SLK250s. Below you’ll find some of our best rated Alternators and Starters from Carquest Premium, and more. Alternators and Starters from these brands that fit a 2012 SLK250 start at just $330.99 and are rated as high as 4.4 stars. OEM and aftermarket Alternators and Starters don’t get more top quality, durable, and affordable than from the brands below.

Popular Carquest Premium 2012 Mercedes-Benz SLK250 Alternators and Starters

When it comes to maintaining or upgrading your 2012 Mercedes-Benz SLK250, using quality Alternators and Starters is essential to ensure durability and a perfect fit. Carquest Premium ticks all of those boxes. We offer a wide selection of Carquest Premium Alternators and Starters, specifically designed for the 2012 Mercedes-Benz SLK250. With over 1 Carquest Premium brand Alternators and Starters in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $330.99. Plus, with over 2 customer reviews and an average rating of 4.4 stars, you can trust that our Carquest Premium Alternators and Starters will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
Starter: Remanufactured, Limited Lifetime Warranty
from $330.99
(2)
Starter: Remanufactured, Limited Lifetime Warranty
“This starter work great, looks very good rebuilt, and come with a good warranty. My Mercedes is being work incredible sense and replaced.”

FAQs for 2012 Mercedes-Benz SLK250 Alternators and Starters

Which Alternators and Starters are best-sellers for 2012 Mercedes-Benz SLK250s?

Out of 8 Alternators and Starters that fit 2012 Mercedes-Benz SLK250s, the following parts are the top sellers:

What’s the price range for 2012 Mercedes-Benz SLK250 Alternators and Starters?

Alternators and Starter prices for the 2012 Mercedes-Benz SLK250 start at $37.49 and go up to $699.99 for the most premium parts.

What’s the average price of a Alternators and Starter for a 2012 Mercedes-Benz SLK250?

The average price for Alternators and Starters for the 2012 Mercedes-Benz SLK250 is $375.93. Keep in mind the variety of part types within our Alternators and Starter category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Alternators and Starters for other Mercedes-Benz SLK250 model years?

Yes, we currently carry Alternators and Starters for 2 model years of Mercedes-Benz SLK250s between 2013 and 2015. Alternators and Starters are bought most frequently for the following model years: 2015, 2014, and 2013.

What are the cheapest Alternators and Starters for my 2012 Mercedes-Benz SLK250?

The cheapest 2012 Mercedes-Benz SLK250 Alternators and Starters we carry in stock are:

What are the top-rated Alternators and Starters that fit the 2012 Mercedes-Benz SLK250?

Out of 2 reviews by customers, our 2012 Mercedes-Benz SLK250 Alternators and Starters have an average customer rating of . These are some of the highest-rated Alternators and Starter types for the 2012 Mercedes-Benz SLK250 and their top-rated products:

What types of Alternators and Starters do you sell for my 2012 Mercedes-Benz SLK250?

As of 11/2/25, these are some of the most in-demand types of Alternators and Starters for a 2012 Mercedes-Benz SLK250:

Can I get help with 2012 Mercedes-Benz SLK250 Alternators and Starter orders?

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

What is your return policy for Mercedes-Benz SLK250 Alternators and Starters?

Advance Auto Parts keeps returns simple. For new Mercedes-Benz SLK250 Alternators and Starters and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.