Mercedes S Class alternator — 231 Type, SL400 price snapshot
- Low
- $65
- Average
- $145
- High
- $271
Trim-specific price guide
Mercedes S Class Alternator — 231 Type, SL400 prices
Pricing for the 231 Type, SL400 variant of the Mercedes S Class alternator, aggregated from 70 salvage yard listings across 2 model years.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 13, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Price summary
A used Mercedes S Class alternator (231 Type, SL400) costs $65 to $271, with a median asking price of $145. Based on 70 priced salvage yard listings across the US, updated Oct 13, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$150
Grade B (good)$90
USD
Condition comparison
Price by part grade
Grade AClean / low wear$65–$27158 listings
Grade BStandard used$80–$905 listings
Grade XUngraded$75–$2007 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $65–$271 | 58 | |
| Grade BStandard used | $80–$90 | 5 | |
| Grade XUngraded | $75–$200 | 7 |
Median by grade
Grade price comparison
Grade A$150
Grade B$90
Ungraded$100
Median asking price by seller-reported condition grade · $65–$271 overall range
Trim-specific context
How is the 231 Type, SL400 priced differently?
This pricing covers the 231 Type, SL400 variant of the Mercedes S Class alternator, based on 70 priced listings across 2 model years (2015, 2016). Its $145 median is 28% below the Mercedes S Class alternator overall median of $202.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Price by model year
What does a 231 Type, SL400 cost by year?
Other trims
Other Mercedes S Class alternator variants
217 Type, (Cpe), S550
2 yrs$175$73 – $450217 Type, (Cpe), S63
2 yrs$649$300 – $788217 Type (S models, coupe and convertible), S550
1 yr$135$100 – $450217 Type (S models, coupe and convertible), S560
4 yrs$166$73 – $350217 Type (S models, coupe and convertible), S63
5 yrs$575$300 – $788222 Type (S models, sedan), S550
1 yr$135$100 – $450222 Type (S models, sedan), S550 Maybach
1 yr$135$100 – $450222 Type (S models, sedan), S560
3 yrs$182$85 – $299222 Type (S models, sedan), S560 Maybach
3 yrs$182$85 – $299Common questions
Mercedes S Class alternator (231 Type, SL400) FAQ
How much is a used Mercedes S Class alternator (231 Type, SL400)?
Based on 70 priced salvage-yard listings across 2 model years, a used Mercedes S Class alternator in the 231 Type, SL400 variant lists between $65 and $271, with a median asking price of $145.
Which Mercedes S Class years use the 231 Type, SL400 alternator?
The 231 Type, SL400 variant appears in model years 2015, 2016. Prices and availability differ by year.
Is there a price difference between 231 Type, SL400 condition grades?
Yes. Grade A has a median of $150, Grade B has a median of $90. Grade A parts are in excellent condition, B is good, and C is fair.