8%
Versus the busiest SL400 year
2021 has about 8% as many still registered as 2016 (about 37).
How rare is a 2021 Mercedes-Benz SL400?
2021 Mercedes-Benz SL400
3
still registered in Oz
Small counts are adjusted by BITRE; treat as approximate.
How rare is yours?Oz rare cars
Rarity here means how many are still registered today — not how many were built.
About 3 Mercedes-Benz SL400 vehicles made in 2021 were still registered in Australia on 31 January 2025. Small counts are rounded by BITRE, so treat this as approximate. Cars made in 2021 are 2.1% of every Mercedes-Benz SL400 still registered (about 141 across all years). By count, 2021 ranks 7th of 7 build years for the SL400. The busiest year is 2016 (about 37 still registered); 2021 has about 8% as many. That is about 67% fewer than 2019.
At a glance
Still registered on Aussie roads · BITRE as at 31 Jan 2025
2.1%
Share of this SL400 fleet
About 3 of about 141 SL400 vehicles still registered, all years together.
Fewest registered
Among manufacture years for this model
2021 has the fewest still registered of any SL400 build year.
Still registered, year by year: 2021 Mercedes-Benz SL400
A year-by-year picture isn’t published for this car.
2021 Mercedes-Benz SL400 vs peak and average years
Below the average manufacture year for this model — tap bars for counts.
2021 SL400
Peak year (2016)
Average manufacture year
Still registered counts for this model · BITRE as at 31 Jan 2025
SL400 manufacture years by registered count
Manufacture years for the SL400, with your year highlighted. Tap a bar for its count.
You
View counts as a table
| Year made | Still registered |
|---|---|
| 2014 | About 8 |
| 2015 | About 29 |
| 2016 | About 37 |
| 2017 | About 30 |
| 2018 | About 25 |
| 2019 | About 9 |
| 2021 | About 3 |
Power / fuel
All years of this Mercedes-Benz SL400 — a mix for 2021 isn’t published.
- PetrolAbout 140 registered
- LPG / AutogasAbout 3 registered
What a fill might cost· tap to enter your postcode
A typical sedan tank is about 60 L — edit if you know yours.
Estimate only. Nearby pump prices from public fuel-price feeds. Not a valuation.
Questions about the 2021 Mercedes-Benz SL400
- How does 2021 rank among SL400 build years?
- 7th of 7 build years by count. About 3 still registered in Australia. Small counts are adjusted by BITRE; treat as approximate.
- How many SL400 vehicles still registered were made in 2021?
- 2.1% — about 3 of about 141 across all years.
- Which manufacture year has the most SL400 still registered?
- 2016. The model page has every build year side by side.
Based on BITRE Road Vehicles Australia, January 2021–2025 (CC BY 3.0 AU; the January 2024 release is CC BY 2.5 AU). Colour: Victorian Department of Transport and Planning, Whole Fleet Vehicle Registration Snapshot by Model, Q4 2024 (CC BY 4.0). Oz rare cars is not affiliated with or endorsed by BITRE, the Australian Government or the Victorian Government. Registration counts are not sales, not a valuation, and not advice. Method