2021 Mercedes GLA Class transmission control module price snapshot
- Low
- $25
- Average
- $137
- High
- $458
Year-specific price guide
Used 2021 Mercedes GLA Class Transmission Control Module prices
Year-specific used transmission control module pricing for the 2021 Mercedes GLA Class, built from real salvage yard and junkyard listings with condition grade and fitment detail.
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 3, 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.
Part overview
About the 2021 Mercedes GLA Class transmission control module
A used 2021 Mercedes GLA Class transmission control module costs between $25 and $458, with a median of $110 from 840 salvage yard listings.
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 2021 Mercedes GLA Class transmission control module costs $25 to $458, with a median asking price of $110. Based on 840 priced salvage yard listings across the US, compatible across 2018–2024 (7 model years), updated Oct 3, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$106
Grade B (good)$141
USD
Condition comparison
Price by part grade
Grade AClean / low wear$25–$458670 listings
Grade BStandard used$41–$441145 listings
Grade XUngraded$30–$35025 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $25–$458 | 670 | |
| Grade BStandard used | $41–$441 | 145 | |
| Grade XUngraded | $30–$350 | 25 |
Median by grade
Grade price comparison
Grade A$106
Grade B$141
Ungraded$78
Median asking price by seller-reported condition grade · $25–$458 overall range
Replacement cost
What is the 2021 Mercedes GLA Class transmission control module replacement cost?
- Used part
- $110
- 2021 Mercedes GLA Class median asking price
- Labor
- $95–$300
- 1–2 hours at $95–$150/hr
- Estimated total
- $205–$410
- 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
Fitment matters
Price by trim & variant
247 Type, signal activation module (SAM), ID 247900820944 listingsInterchange 2020–2023$155$70 – $254
247 Type, signal activation module (SAM), ID 247900870743 listingsInterchange 2021–2023$190$75 – $368
Year-specific context
How does the 2021 Mercedes GLA Class compare?
The 2021 guide is based on 976 observed listings, including 840 with posted prices. Its $110 median is 4% above the Mercedes GLA Class guide's $106 median.
Among the 9 model years with current price data, 2021 ranks #5 from lowest to highest median.
Interchange data shows this part is also listed under model years 2018, 2019, 2020, 2022, 2023, 2024. Shopping across all 7 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
What does a Mercedes GLA Class transmission control module cost in other years?
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Price data updating
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Drive Shaft
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Price data updating
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$86median
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Master Cylinder
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Side Mirror
$264median
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Power Steering Pump
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Rear View Mirror
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Steering Column
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Steering Rack
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Steering Wheel
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Strut
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Sunroof
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Tail Light
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Tailgate
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48
Torque Converter
Price data updating
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Transfer Case
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Common questions
2021 Mercedes GLA Class transmission control module FAQ
How much is a used 2021 Mercedes GLA Class transmission control module?
Based on 840 priced salvage-yard listings, a used 2021 Mercedes GLA Class transmission control module lists between $25 and $458, with a median asking price of $110.
How much does it cost to replace a 2021 Mercedes GLA Class transmission control module?
Using a used part, a 2021 Mercedes GLA Class transmission control module replacement typically runs $205–$410 all-in: the median used transmission control module for this year lists at $110, 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.
Will a 2021 Mercedes GLA Class transmission control module fit another year?
Based on salvage-yard interchange data, listings for the 2021 Mercedes GLA Class transmission control module also appear under model years 2018, 2019, 2020, 2022, 2023, 2024, 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.
How much is a 2021 Mercedes GLA Class tcm?
A tcm is another name for a transmission control module. The prices on this page cover the 2021 Mercedes GLA Class transmission control module — median $110, from 840 listings.