Mercedes C Class engine computer price snapshot
- Low
- $50
- Average
- $252
- High
- $1,200
Vehicle-specific price guide
How much is a used Mercedes C Class engine computer?
Asking prices from 288 salvage yards in 38 states, broken down by model year, condition grade, and fitment variant.
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 updatedSep 21, 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 Mercedes C Class engine computer
What the engine computer does, common failure signs, and prices across all vehicles: used engine computer price guide →
Also known asECUECMPCMEngine Control ModuleEngine Control UnitPowertrain Control Module
Price summary
A used Mercedes C Class engine computer costs $50 to $1,200, with a median asking price of $218. Based on 1,751 priced salvage yard listings across the US, compatible across 2012–2025 (14 model years), updated Sep 21, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$225
Grade B (good)$199
USD
Condition comparison
Price by part grade
Grade AClean / low wear$50–$1,2001,475 listings
Grade BStandard used$51–$919192 listings
Grade XUngraded$52–$39984 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $50–$1,200 | 1,475 | |
| Grade BStandard used | $51–$919 | 192 | |
| Grade XUngraded | $52–$399 | 84 |
Median by grade
Grade price comparison
Grade A$225
Grade B$199
Ungraded$150
Median asking price by seller-reported condition grade · $50–$1,200 overall range
Regional supply
Where the Mercedes C Class engine computer is listed
We found priced Mercedes C Class engine computer listings at 288 salvage yards across 38 states. California supplies the most, with 269 listings (15% of the total) from 61 yards. Location matters: yards in California ask a median $99, while Florida yards ask $291, 194% more for the same part. Shipping usually costs less than that gap for smaller parts, so it can pay to buy out of state.
| State | Listings | Yards | Median ask |
|---|---|---|---|
| California | 269 | 61 | $99-55% |
| Illinois | 194 | 20 | $200-8% |
| Michigan | 190 | 18 | $210-4% |
| Florida | 168 | 25 | $291+33% |
| Indiana | 141 | 8 | $216-1% |
| Missouri | 104 | 10 | $284+30% |
| North Carolina | 92 | 18 | $220+1% |
| Texas | 73 | 20 | $218 |
States with at least 10 priced listings. % is versus the $218 national median.
Replacement cost
What is the Mercedes C Class engine computer replacement cost?
- Used part
- $218
- Mercedes C Class median asking price
- Labor
- $95–$450
- 1–3 hours at $95–$150/hr
- Estimated total
- $315–$670
- median used part + labor
Labor is a typical independent-shop range for engine computer replacement, not a quote for your vehicle; it does not include programming and key relearn procedure. The part price is the live median from the salvage-yard listings on this page. Full engine computer replacement cost breakdown
Sources
- Labor time estimates: Part Price Guide labor database
Model-year comparison
What does a Mercedes C Class engine computer cost by year?
202510 listings$291$180 – $3302024249 listingsFits 7 years$100$50 – $4402023202 listingsFits 10 years$250$75 – $8002022150 listingsFits 10 years$235$75 – $5252021200 listingsFits 9 years$266$52 – $9192020200 listingsFits 8 years$324$85 – $6612019200 listingsFits 6 years$310$100 – $6732018244 listingsFits 8 years$200$75 – $8002017143 listingsFits 8 years$216$65 – $1,2002016250 listingsFits 8 years$216$75 – $1,2002015102 listingsFits 10 years$175$50 – $400
Market analysis
How much does a used Mercedes C Class engine computer cost?
Asking prices for a used Mercedes C Class engine computer 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 13% premium over grade-B stock, with grade-A medians at $225.
Model year matters too: 2024 units carry the lowest median at $100, while 2020 tops the table at $324. Parts from 2019–2025 are interchangeable, so if the 2024 fits your vehicle, it offers the best value across 7 compatible years.
Against comparable vehicles, the Mercedes C Class sits 95% above the Honda Accord ($112), 96% above the Honda Civic ($111), and 73% above the Hyundai Elantra ($126) for the same part. The “similar vehicles” cards below open each comparison guide.
Buying a used engine computer: what to check
- Match hardware and service numbers: Ensure hardware revision codes and circuit board part numbers match exactly, as pinouts change mid-model year.
- Inspect multi-pin connector headers: Check header pins for bending, green copper oxidation, or burnt circuit board traces inside the wiring sockets.
- Verify immobilizer programming requirements: Plan for anti-theft security relearn procedures or ECU re-flashing before the replacement computer will start the engine.
- Confirm donor transmission and emissions spec: Ensure the donor vehicle used the same transmission type and regional emissions package to prevent fault codes.
- Check aluminum casing seals: Inspect housing screws and perimeter rubber gaskets for white oxidation or breaks that indicate past water intrusion.
Keep browsing this vehicle
What other Mercedes C Class parts are priced?
01wide ±246%
Wheels
$400median
$69$2,040
02wide ±212%
Axle Shaft
$202median
$40$895
03wide ±243%
Grille
$199median
$33$1,000
04wide ±219%
Side Mirror
$500median
$85$2,275
05wide ±120%
Headlight Assembly
$900median
$251$2,410
06wide ±195%
Strut
$245median
$45$1,000
07wide ±292%
Radiator
$227median
$45$1,371
08wide ±106%
Tail Light
$241median
$85$595
09wide ±172%
Engine
$6,396median
$1,240$23,303
10wide ±147%
Fender
$350median
$100$1,131
11wide ±121%
Front Bumper
$600median
$100$1,550
12wide ±233%
Transmission
$1,170median
$195$5,649
Price comparisons
Compare Mercedes C Class engine computer prices
Engine Computercompare
HondaAccordvsMercedesCClass
Accord$112
Class$218
$106 diff9,956 listings
Engine ComputercompareHondaCivicvsMercedesCClass
Civic$111
Class$218
$107 diff9,791 listings
Engine ComputercompareHyundaiElantravsMercedesCClass
Elantra$126
Class$218
$92 diff9,347 listings
Engine ComputercompareFordF250vsMercedesCClass
F250$250
Class$218
$32 diff5,916 listings
Engine ComputercompareKiaSportagevsMercedesCClass
Sportage$159
Class$218
$59 diff5,705 listings
Engine ComputercompareFordMustangvsMercedesCClass
Mustang$172
Class$218
$46 diff5,585 listings
Compare fitments
What do similar vehicles charge for this part?
Acurawide ±167%
Acura ILX
$138median
$40$500
Acurawide ±153%
Acura Integra
$155median
$50$525
Acurawide ±219%
Acura MDX
$135median
$35$625
Acurawide ±162%
Acura RDX
$155median
$42$543
Acurawide ±208%
Acura TLX
$125median
$33$553
Audiwide ±174%
Audi A4
$175median
$35$644
Mercedeswide ±193%
Mercedes E Class
$200median
$55$825
Mercedeswide ±236%
Mercedes GLA Class
$150median
$45$754
Mercedeswide ±185%
Mercedes GLC Class
$220median
$65$880
Mercedeswide ±291%
Mercedes GLE Class
$200median
$35$1,200
Mercedeswide ±229%
Mercedes S Class
$241median
$44$1,150
Mercedeswide ±181%
Mercedes Sprinter
$200median
$56$780
Common questions
Mercedes C Class engine computer FAQ
How much is a used engine computer for a Mercedes C Class?
The median asking price is $218 across 1,751 priced listings from 288 yards. Grade-A units, the cleanest stock, have a median of $225. 2024 is the cheapest model year we track, with a median of $100.
How much does it cost to replace a Mercedes C Class engine computer?
Using a used part, a Mercedes C Class engine computer replacement typically runs $315–$670 all-in: the median used engine computer for this model lists at $218, and independent-shop labor for engine computer replacement typically takes 1–3 hours at $95–$150/hr ($95–$450). The labor figure does not include programming and key relearn procedure. Labor is a national part-level estimate, not a quote for your vehicle.
Which Mercedes C Class model years does this price guide cover?
This guide currently has year-level pricing for 2025, 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 C Class engine computer years are interchangeable?
Salvage-yard interchange data links Mercedes C Class engine computer fitments across 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025. 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.