2018 Mercedes S Class transmission price snapshot
- Low
- $550
- Average
- $2,430
- High
- $7,430

Year-specific price guide
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.
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.
Part overview
A used 2018 Mercedes S Class transmission costs between $550 and $7,430, with a median of $1,799 from 319 salvage yard listings.
What the transmission does, common failure signs, and prices across all vehicles: used transmission price guide →
A used 2018 Mercedes S Class transmission costs $550 to $7,430, with a median asking price of $1,799. Based on 319 priced salvage yard listings across the US, compatible across 2017–2020 (4 model years), updated Oct 16, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $637–$7,430 | 265 | |
| Grade BStandard used | $550–$2,248 | 42 | |
| Grade XUngraded | $955–$5,000 | 12 |
Median by grade
Median asking price by seller-reported condition grade · $550–$7,430 overall range
Replacement cost
Labor is a typical independent-shop range for transmission replacement, not a quote for your vehicle; it does not include transmission fluid and filter, and a torque converter check on automatics. The part price is the live median from the salvage-yard listings on this page. Full transmission replacement cost breakdown
Fitment matters
Year-specific context
The 2018 guide is based on 359 observed listings, including 319 with posted prices. Its $1,799 median is 0% above the Mercedes S Class guide's $1,799 median.
Among the 10 model years with current price data, 2018 ranks #4 from lowest to highest median.
Interchange data shows this part is also listed under model years 2017, 2019, 2020. Shopping across all 4 compatible years may surface better prices or condition grades.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Compare model years
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Common questions
Based on 319 priced salvage-yard listings, a used 2018 Mercedes S Class transmission lists between $550 and $7,430, with a median asking price of $1,799.
Using a used part, a 2018 Mercedes S Class transmission replacement typically runs $2,370–$3,600 all-in: the median used transmission for this year lists at $1,799, and independent-shop labor for transmission replacement typically takes 6–12 hours at $95–$150/hr ($570–$1,800). The labor figure does not include transmission fluid and filter, and a torque converter check on automatics. Labor is a national part-level estimate, not a quote for your vehicle.
Based on salvage-yard interchange data, listings for the 2018 Mercedes S Class transmission also appear under model years 2017, 2019, 2020, suggesting these years share compatible fitments. Always verify the exact part number, drivetrain, trim, and your VIN before buying — interchange compatibility can vary by variant.
A gearbox is another name for a transmission. The prices on this page cover the 2018 Mercedes S Class transmission — median $1,799, from 319 listings.