2021 Mercedes S Class ignition switch price snapshot
- Low
- $75
- Average
- $102
- High
- $181
Year-specific price guide
Used 2021 Mercedes S Class Ignition Switch prices
Year-specific used ignition switch pricing for the 2021 Mercedes S 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 8, 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 S Class ignition switch
A used 2021 Mercedes S Class ignition switch costs between $75 and $181, with a median of $100 from 14 salvage yard listings.
What the ignition switch does, common failure signs, and prices across all vehicles: used ignition switch price guide →
Also known asKey SwitchIgnition Starter Switch
Price summary
A used 2021 Mercedes S Class ignition switch costs $75 to $181, with a median asking price of $100. Based on 14 priced salvage yard listings across the US, compatible across 2020–2024 (5 model years), updated Oct 8, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$78
Grade B (good)$100
USD
Condition comparison
Price by part grade
Grade AClean / low wear$75–$18111 listings
Grade BStandard used$100–$1003 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $75–$181 | 11 | |
| Grade BStandard used | $100–$100 | 3 |
Median by grade
Grade price comparison
Grade A$78
Grade B$100
Median asking price by seller-reported condition grade · $75–$181 overall range
Replacement cost
What is the 2021 Mercedes S Class ignition switch replacement cost?
- Used part
- $100
- 2021 Mercedes S Class median asking price
- Labor
- $95–$375
- 1–2.5 hours at $95–$150/hr
- Estimated total
- $195–$475
- median used part + labor
Labor is a typical independent-shop range for ignition switch replacement, not a quote for your vehicle; it does not include key programming if the vehicle has an immobilizer system. The part price is the live median from the salvage-yard listings on this page. Full ignition switch replacement cost breakdown
Fitment matters
Price by trim & variant
Year-specific context
How does the 2021 Mercedes S Class compare?
The 2021 guide is based on 17 observed listings, including 14 with posted prices. Its $100 median is 0% above the Mercedes S Class guide's $100 median.
Among the 9 model years with current price data, 2021 ranks #6 from lowest to highest median.
Interchange data shows this part is also listed under model years 2020, 2022, 2023, 2024. Shopping across all 5 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 S Class ignition switch cost in other years?
Keep browsing this vehicle
What other Mercedes S Class parts are priced?
01wide ±108%
AC Compressor
$250median
$80$620
02wide ±181%
ABS Module
$255median
$75$1,000
03wide ±198%
Air Bag
$225median
$50$940
04wide ±186%
Alternator
$202median
$36$788
05wide ±209%
Axle Shaft
$278median
$50$1,212
06wide ±136%
Blower Motor
$105median
$45$331
07wide ±259%
Brake Caliper
$280median
$50$1,499
08wide ±181%
Rear Bumper Assembly
$946median
$170$3,600
09wide ±190%
Front Bumper
$600median
$225$2,500
10wide ±137%
Rear Bumper
$550median
$150$1,655
11wide ±239%
Car Radio
$271median
$55$1,350
12wide ±171%
Center Console
$212median
$63$787
13wide ±189%
AC Condenser
$200median
$45$800
14wide ±222%
Control Arm
$180median
$50$849
15
Differential
Price data updating
16wide ±137%
Door Assembly
$998median
$250$2,975
17wide ±125%
Drive Shaft
$342median
$108$962
18wide ±105%
Engine
$9,999median
$3,995$25,000
19wide ±229%
Engine Computer
$241median
$44$1,150
20wide ±133%
Exhaust Manifold
$250median
$79$742
21wide ±145%
Fender
$475median
$122$1,499
22wide ±70%
Fog Light
$242median
$70$410
23wide ±246%
Front Seat
$402median
$90$2,070
24wide ±182%
Fuel Pump
$150median
$33$580
25wide ±176%
Fuel Tank
$340median
$125$1,324
26wide ±252%
Grille
$300median
$50$1,560
27wide ±118%
Headlight Assembly
$1,450median
$425$3,850
28wide ±207%
Heater Core
$116median
$60$540
29wide ±99%
Hood
$1,000median
$215$2,185
30
Instrument Cluster
Price data updating
31wide ±135%
Intake Manifold
$181median
$35$525
32wide ±75%
Master Cylinder
$87median
$45$175
33wide ±116%
Side Mirror
$600median
$210$1,599
34tight ±15%
Power Steering Pump
$831median
$630$887
35wide ±87%
Quarter Panel
$777median
$340$1,685
36wide ±166%
Radiator
$200median
$55$720
37wide ±190%
Rear View Mirror
$119median
$40$493
38wide ±148%
Starter
$125median
$30$400
39wide ±139%
Steering Column
$225median
$75$699
40wide ±129%
Steering Rack
$950median
$300$2,750
41wide ±149%
Steering Wheel
$610median
$150$1,973
42wide ±203%
Strut
$350median
$78$1,500
43wide ±216%
Sunroof
$660median
$150$2,999
44wide ±86%
Tail Light
$406median
$175$872
45wide ±243%
Tailgate
$560median
$100$2,825
46wide ±189%
Throttle Body
$120median
$39$493
47spread ±40%
Torque Converter
$755median
$299$909
48wide ±77%
Transfer Case
$590median
$293$1,200
49wide ±226%
Transmission
$1,799median
$305$8,444
50wide ±269%
Transmission Control Module
$135median
$25$750
51wide ±256%
Turbocharger
$450median
$90$2,398
52wide ±174%
Water Pump
$150median
$25$546
53wide ±134%
Wheels
$475median
$125$1,400
54wide ±112%
Window Regulator
$199median
$50$495
Common questions
2021 Mercedes S Class ignition switch FAQ
How much is a used 2021 Mercedes S Class ignition switch?
Based on 14 priced salvage-yard listings, a used 2021 Mercedes S Class ignition switch lists between $75 and $181, with a median asking price of $100.
How much does it cost to replace a 2021 Mercedes S Class ignition switch?
Using a used part, a 2021 Mercedes S Class ignition switch replacement typically runs $195–$475 all-in: the median used ignition switch for this year lists at $100, and independent-shop labor for ignition switch replacement typically takes 1–2.5 hours at $95–$150/hr ($95–$375). The labor figure does not include key programming if the vehicle has an immobilizer system. Labor is a national part-level estimate, not a quote for your vehicle.
Will a 2021 Mercedes S Class ignition switch fit another year?
Based on salvage-yard interchange data, listings for the 2021 Mercedes S Class ignition switch also appear under model years 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 S Class key switch?
A key switch is another name for a ignition switch. The prices on this page cover the 2021 Mercedes S Class ignition switch — median $100, from 14 listings.