Used 2021 Mercedes C Class transmission control module from a salvage yard

Year-specific price guide

Used 2021 Mercedes C Class Transmission Control Module prices

Year-specific used transmission control module pricing for the 2021 Mercedes C Class, built from real salvage yard and junkyard listings with condition grade and fitment detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 2, 2026

Part overview

About the 2021 Mercedes C Class transmission control module

A used 2021 Mercedes C Class transmission control module costs between $19 and $529, with a median of $149 from 1,946 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 C Class transmission control module costs $19 to $529, with a median asking price of $149. Based on 1,946 priced salvage yard listings across the US, compatible across 2015–2023 (9 model years), updated Sep 2, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$151
Grade B (good)$101
Grade C (fair)$65

2021 Mercedes C Class transmission control module price snapshot

USD
Low
$19
Average
$143
High
$529
2,147 listings observed · 1,946 priced listings used · last updated Sep 2, 2026· How we price·

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Reporting price for 2021 Mercedes C Class Transmission Control Module

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Condition comparison

Price by part grade

Grade AClean / low wear$19–$5291,752 listings
Grade BStandard used$61–$300103 listings
Grade CVisible wear$65–$651 listings
Grade XUngraded$50–$22590 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $19–$529 overall range

Replacement cost

What is the 2021 Mercedes C Class transmission control module replacement cost?

ESTIMATE
Used part
$149
2021 Mercedes C Class median asking price
Labor
$95–$300
1–2 hours at $95–$150/hr
Estimated total
$245–$450
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

205 Type, air bag, Sedan, ID 205900234150 listingsInterchange 2020–2022$108$70 – $300
205 Type, multifunction (trunk mounted), (Keyless Go), ID 222900001650 listingsInterchange 2019–2023$146$58 – $310
205 Type, multifunction (trunk mounted), (Keyless Go), ID 222900471850 listingsInterchange 2019–2023$146$58 – $310
205 Type, temperature (LH dash), ID 205900692350 listingsInterchange 2017–2021$150$40 – $264
205 Type, transmission, C6350 listingsInterchange 2019–2022$199$85 – $525
205 Type, transmission, C63s50 listingsInterchange 2019–2022$199$85 – $525
205 Type, door, Convertible, front, LH49 listingsInterchange 2019–2021$91$42 – $199
205 Type, door, Convertible, front, RH49 listingsInterchange 2019–2021$121$42 – $199
205 Type, door, Convertible, trunk release (trunk mounted)49 listingsInterchange 2018–2021$150$39 – $200
205 Type, door, Coupe, front, LH49 listingsInterchange 2019–2021$91$42 – $199
205 Type, door, Coupe, front, RH49 listingsInterchange 2019–2021$121$42 – $199
205 Type, door, Coupe, trunk release (trunk mounted)49 listingsInterchange 2018–2021$150$39 – $200
205 Type, door, Sedan, front, LH49 listingsInterchange 2019–2021$91$42 – $199
205 Type, door, Sedan, front, RH49 listingsInterchange 2019–2021$121$42 – $199
205 Type, door, Sedan, rear, LH49 listingsInterchange 2019–2021$149$19 – $196
205 Type, door, Sedan, trunk release (trunk mounted)49 listingsInterchange 2018–2021$150$39 – $200
205 Type, door, Wagon, front, LH49 listingsInterchange 2019–2021$91$42 – $199
205 Type, door, Wagon, front, RH49 listingsInterchange 2019–2021$121$42 – $199
205 Type, door, Wagon, rear, LH49 listingsInterchange 2019–2021$149$19 – $196
205 Type, door, Wagon, trunk release (trunk mounted)49 listingsInterchange 2018–2021$150$39 – $200
205 Type, fuel pump49 listingsInterchange 2018–2022$137$45 – $231
205 Type, lamps, LH dash49 listingsInterchange 2019–2021$166$45 – $266
205 Type, lamps, trunk49 listingsInterchange 2019–2021$160$50 – $243
205 Type, engine mount control, ID 205900221948 listingsInterchange 2016–2021$173$60 – $313
205 Type, communication47 listingsInterchange 2018–2021$179$40 – $324
205 Type, suspension, TPMS (trunk mounted), ID 000900371347 listingsInterchange 2017–2021$123$35 – $270
205 Type, transmission, C30047 listingsInterchange 2019–2022$193$44 – $529
205 Type, transmission, C4347 listingsInterchange 2019–2022$193$44 – $529
205 Type, air bag, Coupe46 listingsInterchange 2019–2021$171$75 – $310
205 Type, air bag, Sedan, ID 205900653746 listingsInterchange 2019–2021$171$75 – $310
205 Type, air bag, Wagon46 listingsInterchange 2019–2021$171$75 – $310
205 Type, differential lock, (C63s), (electronic limited slip differential)44 listingsInterchange 2016–2020$232$25 – $431
205 Type, suspension, vehicle dynamics44 listingsInterchange 2016–2021$227$45 – $290
205 Type, lamps, RH dash43 listingsInterchange 2018–2023$80$50 – $250
205 Type, window43 listingsInterchange 2019–2023$75$55 – $256
205 Type, suspension, TPMS (trunk mounted), ID 000900690738 listingsInterchange 2015–2021$80$50 – $190
205 Type, security, (R. rear engine compartment)35 listingsInterchange 2017–2021$102$50 – $211
205 Type, door, Sedan, rear, RH28 listingsInterchange 2019–2021$71$39 – $149
205 Type, door, Wagon, rear, RH28 listingsInterchange 2019–2021$71$39 – $149
205 Type, air bag, Convertible19 listingsInterchange 2019–2020$209$95 – $260
205 Type, suspension, suspension control, ID 222900201917 listingsInterchange 2018–2022$150$60 – $340
205 Type, engine mount control, ID 205900290116 listingsInterchange 2018–2021$230$106 – $330
205 Type, engine mount control, ID 205900690016 listingsInterchange 2018–2021$230$106 – $330
205 Type, multifunction (trunk mounted), (Keyless Go), ID 222900481811 listingsInterchange 2019–2021$120$86 – $120
205 Type, suspension, suspension control, ID 222900981110 listingsInterchange 2017–2021$130$60 – $219
205 Type, multifunction (trunk mounted), (Keyless Go), ID 22290003168 listingsInterchange 2019–2021$116$105 – $201
205 Type, roof, (convertible)8 listingsInterchange 2019–2020$217$101 – $290
205 Type, temperature (LH dash), ID 22290034138 listingsInterchange 2017–2021$96$50 – $101
205 Type, temperature (LH dash), ID 22290040158 listingsInterchange 2017–2021$96$50 – $101
205 Type, temperature (LH dash), ID 21790009007 listingsInterchange 2018–2021$75$50 – $250
205 Type, multifunction (trunk mounted), (Keyless Go), ID 22290046182 listingsInterchange 2019–2020$96$50 – $96
205 Type, multifunction (trunk mounted), (Keyless Go), ID 22290099152 listingsInterchange 2019–2020$96$50 – $96
205 Type, suspension, suspension control, ID 22290062132 listingsInterchange 2018–2020$111$111 – $111
205 Type, engine mount control, ID 20590027021 listingsInterchange 2018–2020$121$121 – $121
205 Type, towing cont (trunk mounted), ID 16790026041 listingsInterchange 2019–2021$50$50 – $50

Year-specific context

How does the 2021 Mercedes C Class compare?

The 2021 guide is based on 2,147 observed listings, including 1,946 with posted prices. Its $149 median is 49% above the Mercedes C Class guide's $100 median.

Among the 11 model years with current price data, 2021 ranks #8 from lowest to highest median.

Interchange data shows this part is also listed under model years 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023. Shopping across all 9 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 C Class transmission control module cost in other years?

Keep browsing this vehicle

What other Mercedes C Class parts are priced?

01wide ±141%

AC Compressor

$200median
$50$613
02wide ±217%

ABS Module

$227median
$45$1,031
03wide ±208%

Air Bag

$199median
$40$866
04wide ±284%

Alternator

$187median
$35$1,099
05wide ±202%

Axle Shaft

$201median
$40$852
06wide ±114%

Blower Motor

$96median
$30$249
07wide ±294%

Brake Caliper

$165median
$30$1,000
08wide ±124%

Rear Bumper Assembly

$930median
$193$2,500
09wide ±121%

Front Bumper

$600median
$100$1,550
10wide ±98%

Rear Bumper

$741median
$120$1,575
11wide ±240%

Car Radio

$225median
$40$1,118
12wide ±91%

Center Console

$134median
$55$300
13wide ±268%

AC Condenser

$113median
$35$640
14wide ±268%

Control Arm

$120median
$20$662
15tight ±11%

Differential

$450median
$400$500
16wide ±137%

Door Assembly

$735median
$141$2,160
17wide ±178%

Drive Shaft

$245median
$55$926
18wide ±172%

Engine

$6,396median
$1,240$23,303
19wide ±264%

Engine Computer

$218median
$50$1,200
20wide ±76%

Exhaust Manifold

$250median
$100$480
21wide ±147%

Fender

$350median
$100$1,131
22spread ±57%

Fog Light

$132median
$65$215
23wide ±189%

Front Seat

$298median
$75$1,200
24wide ±235%

Fuel Pump

$120median
$30$595
25wide ±163%

Fuel Tank

$233median
$65$824
26wide ±243%

Grille

$199median
$33$1,000
27wide ±120%

Headlight Assembly

$900median
$251$2,410
28

Heater Core

Price data updating

29wide ±132%

Hood

$851median
$220$2,460
30wide ±78%

Ignition Switch

$99median
$45$199
31

Instrument Cluster

Price data updating

32wide ±235%

Intake Manifold

$113median
$20$550
33wide ±108%

Master Cylinder

$78median
$35$203
34wide ±219%

Side Mirror

$500median
$85$2,275
35wide ±133%

Power Steering Pump

$150median
$25$425
36wide ±185%

Quarter Panel

$717median
$250$2,900
37wide ±292%

Radiator

$227median
$45$1,371
38wide ±118%

Rear View Mirror

$141median
$38$372
39wide ±183%

Starter

$100median
$19$385
40wide ±162%

Steering Column

$200median
$40$687
41wide ±137%

Steering Rack

$800median
$138$2,332
42wide ±271%

Steering Wheel

$324median
$65$1,823
43wide ±195%

Strut

$245median
$45$1,000
44wide ±286%

Sunroof

$407median
$70$2,399
45wide ±106%

Tail Light

$241median
$85$595
46wide ±162%

Tailgate

$739median
$125$2,516
47wide ±201%

Throttle Body

$85median
$25$366
48spread ±38%

Torque Converter

$695median
$309$844
49wide ±261%

Transfer Case

$445median
$125$2,448
50wide ±227%

Transmission

$1,200median
$199$5,649
51wide ±82%

Turbocharger

$570median
$264$1,200
52wide ±137%

Water Pump

$149median
$40$449
53wide ±253%

Wheels

$391median
$65$2,040
54wide ±108%

Window Regulator

$144median
$40$352

Common questions

2021 Mercedes C Class transmission control module FAQ

How much is a used 2021 Mercedes C Class transmission control module?

Based on 1,946 priced salvage-yard listings, a used 2021 Mercedes C Class transmission control module lists between $19 and $529, with a median asking price of $149.

How much does it cost to replace a 2021 Mercedes C Class transmission control module?

Using a used part, a 2021 Mercedes C Class transmission control module replacement typically runs $245–$450 all-in: the median used transmission control module for this year lists at $149, 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 C Class transmission control module fit another year?

Based on salvage-yard interchange data, listings for the 2021 Mercedes C Class transmission control module also appear under model years 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023, 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 C Class tcm?

A tcm is another name for a transmission control module. The prices on this page cover the 2021 Mercedes C Class transmission control module — median $149, from 1,946 listings.

2021 Mercedes C Class Transmission Control Module Cost — Used From $19 to $529