Used Mercedes S Class transmission control module from a salvage yard

Vehicle-specific price guide

How much is a used Mercedes S Class transmission control module?

Asking prices from 513 salvage yards in 46 states, broken down by model year, condition grade, and fitment variant.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 13, 2026
Strong coverage32,212 priced of 40,874 observed1 variantMethodology v2.1 →

Part overview

About the Mercedes S Class transmission control module

What the transmission control module does, common failure signs, and prices across all vehicles: used transmission control module price guide →

Also known asTCMTransmission ComputerTransmission ModuleTCU
Price summary

A used Mercedes S Class transmission control module costs $25 to $750, with a median asking price of $135. Based on 32,212 priced salvage yard listings across the US, compatible across 2011–2024 (14 model years), updated Oct 13, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$144
Grade B (good)$206
Grade C (fair)$59

Mercedes S Class transmission control module price snapshot

USD
Low
$25
Average
$150
High
$750
40,874 listings observed · 32,212 priced16d ago· How we price·

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Reporting price for Mercedes S Class Transmission Control Module

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Condition comparison

Price by part grade

Grade AClean / low wear$25–$75028,592 listings
Grade BStandard used$44–$5411,419 listings
Grade CVisible wear$45–$120138 listings
Grade XUngraded$25–$3502,063 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $25–$750 overall range

Regional supply

Where the Mercedes S Class transmission control module is listed

We found priced Mercedes S Class transmission control module listings at 513 salvage yards across 46 states. Florida supplies the most, with 6,612 listings (21% of the total) from 51 yards. Location matters: yards in California ask a median $75, while North Carolina yards ask $180, 140% more for the same part. Shipping usually costs less than that gap for smaller parts, so it can pay to buy out of state.

StateListingsYardsMedian ask
Florida6,61251$153+13%
California3,90538$75-44%
Texas2,90436$91-33%
North Carolina1,85826$180+33%
Michigan1,63339$100-26%
Tennessee1,56614$137+1%
South Carolina1,4899$159+18%
Mississippi1,3298$127-6%

States with at least 10 priced listings. % is versus the $135 national median.

Replacement cost

What is the Mercedes S Class transmission control module replacement cost?

ESTIMATE
Used part
$135
Mercedes S Class median asking price
Labor
$95–$300
1–2 hours at $95–$150/hr
Estimated total
$230–$435
median used part + labor

Labor is a typical independent-shop range for transmission control module replacement, not a quote for your vehicle; it does not include programming and adaptive relearn procedure. The part price is the live median from the salvage-yard listings on this page. Full transmission control module replacement cost breakdown

Sources
  1. Labor time estimates: Part Price Guide labor database

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Current avg: $150 — we suggest $128 (15% below)

Condition grade (optional)

Fitment matters

Price by trim & variant (2024)

Model-year comparison

What does a Mercedes S Class transmission control module cost by year?

$104$168$232$295$3592015201620172018201920202021202220232024
Median asking price by model year · salvage yard listing data

Market analysis

How much does a used Mercedes S Class transmission control module cost?

Asking prices for a used Mercedes S Class transmission control module are unusually spread out: the top listing asks more than ten times what the cheapest does, so which unit you pick matters more than the median. Condition matters: grade-A units (lowest mileage, best condition) carry roughly a 144% premium over grade-C stock, with grade-A medians at $144.

Model year matters too: 2016 units carry the lowest median at $116, while 2023 tops the table at $342. Parts from 2012–2021 are interchangeable, so if the 2016 fits your vehicle, it offers the best value across 10 compatible years.

Against comparable vehicles, the Mercedes S Class sits 26% above the Mercedes E Class ($107), 7% below the Mercedes GLE Class ($145), and 13% below the Ford F150 ($156) for the same part. The “similar vehicles” cards below open each comparison guide.

Buying a used transmission control module: what to check

  1. Match exact part numbers and software flash codes: Verify hardware numbers and firmware revision suffix letters, as valve body solenoid drivers vary between sub-models.
  2. Inspect connector pins for fluid wicking: Check harness plug sockets for fluid intrusion, as failing transmission harness seals push ATF into the TCM pins.
  3. Verify donor axle ratio and tire size match: Ensure donor vehicle axle ratios and tire sizes match to prevent shifting fault codes and limp-mode triggers.
  4. Confirm internal circuit board casing integrity: Check plastic housings for cracked mounting ears, housing cracks, or rattling components inside the module casing.
  5. Perform adaptive shift learn routine after install: Clear existing TCM adaptive tables using a scan tool so the module relearns your transmission's clutch pack wear.

Keep browsing this vehicle

What other Mercedes S Class parts are priced?

Price comparisons

Compare Mercedes S Class transmission control module prices

Compare fitments

What do similar vehicles charge for this part?

Common questions

Mercedes S Class transmission control module FAQ

How much is a used transmission control module for a Mercedes S Class?

The median asking price is $135 across 32,212 priced listings from 513 yards. Grade-A units, the cleanest stock, have a median of $144. 2016 is the cheapest model year we track, with a median of $116.

How much does it cost to replace a Mercedes S Class transmission control module?

Using a used part, a Mercedes S Class transmission control module replacement typically runs $230–$435 all-in: the median used transmission control module for this model lists at $135, and independent-shop labor for transmission control module replacement typically takes 1–2 hours at $95–$150/hr ($95–$300). The labor figure does not include programming and adaptive relearn procedure. Labor is a national part-level estimate, not a quote for your vehicle.

Which Mercedes S Class model years does this price guide cover?

This guide currently has year-level pricing for 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015. Other model years contribute to the overall range where sellers listed them without a year breakdown.

Which Mercedes S Class transmission control module years are interchangeable?

Salvage-yard interchange data links Mercedes S Class transmission control module fitments across 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024. Searching all 14 years widens the pool of units; confirm the part number against your VIN, since trim or drivetrain can split an interchange group.

Used Mercedes S Class Transmission Control Module Cost — From $25 to $750