2020 Mercedes-Benz SL450
1 trim · Convertible
Starting MSRP
$91,000
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Pricing
How much should you pay for the Mercedes-Benz SL450? Select a trim to update purchase and lease estimates.
MSRP by trim
$91,000
Starting MSRP
Purchase information
Based on SL 450
Total price (SL 450 MSRP)
$91,000
Typical monthly
$1,802/mo
Avg. APR
7.00%
60-month loan estimate for good credit (rates as of 2026-08-23). Not a credit offer; actual APR varies by lender, credit, and dealer.
Open loan calculatorCompare 2020 Mercedes-Benz SL450 trims
SL 450
- MSRP
- $91,000
- Fuel economy (city/hwy)
- 20/28
- Horsepower
- 362 hp
- Torque
- 369 lb-ft
- Engine
- 3L V6 gas
- Seating
- 2
- Drivetrain
- RWD
- Cargo (cu ft)
- 13.5
- Max towing
- —
| Spec | SL 450 |
|---|---|
| MSRP | $91,000 |
| Fuel economy (city/hwy) | 20/28 |
| Horsepower | 362 hp |
| Torque | 369 lb-ft |
| Engine | 3L V6 gas |
| Seating | 2 |
| Drivetrain | RWD |
| Cargo (cu ft) | 13.5 |
| Max towing | — |
Manufacturer specifications by trim and drivetrain. Same trim names with different MSRPs are distinct FWD/AWD (or other drivetrain) configurations from the catalog. MSRP excludes destination fees, taxes, and dealer-installed options.
Full specifications
Engine & drivetrain
- Engine type
- gas
- Fuel type
- premium unleaded (required)
- Cylinders
- V6
- Displacement
- 3 L
- Horsepower
- 362 hp
- Torque
- 369 lb-ft
- Transmission
- 9-speed shiftable automatic
- Drivetrain
- rear wheel drive
Dimensions
- Body type
- Convertible
- Doors
- 2
- Seating
- 2
- Length
- 182.3 in
- Width
- 73.9 in
- Height
- 51.2 in
- Wheelbase
- 101.8 in
- Ground clearance
- 3.7 in
Capacity & weight
- Cargo capacity
- 13.5 cu ft
- Max cargo capacity
- 13.5 cu ft
- Curb weight
- 3,825 lbs
- Fuel tank
- 19.8 gal
Fuel economy & EV
- Combined MPG
- 22
- City MPG
- 20
- Highway MPG
- 28
| Spec | Value |
|---|---|
| Engine & drivetrain | |
| Engine type | gas |
| Fuel type | premium unleaded (required) |
| Cylinders | V6 |
| Displacement | 3 L |
| Horsepower | 362 hp |
| Torque | 369 lb-ft |
| Transmission | 9-speed shiftable automatic |
| Drivetrain | rear wheel drive |
| Dimensions | |
| Body type | Convertible |
| Doors | 2 |
| Seating | 2 |
| Length | 182.3 in |
| Width | 73.9 in |
| Height | 51.2 in |
| Wheelbase | 101.8 in |
| Ground clearance | 3.7 in |
| Capacity & weight | |
| Cargo capacity | 13.5 cu ft |
| Max cargo capacity | 13.5 cu ft |
| Curb weight | 3,825 lbs |
| Fuel tank | 19.8 gal |
| Fuel economy & EV | |
| Combined MPG | 22 |
| City MPG | 20 |
| Highway MPG | 28 |
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2020 Mercedes-Benz SL450 FAQ
- How much does the 2020 Mercedes-Benz SL450 cost?
- The 2020 Mercedes-Benz SL450 has a starting MSRP of $91,000. Trim pricing includes SL 450 from $91,000.
- What is the fuel economy of the 2020 Mercedes-Benz SL450?
- The 2020 Mercedes-Benz SL450 achieves up to 22 MPG combined (EPA estimate), depending on trim and configuration.
- How much cargo space does the 2020 Mercedes-Benz SL450 have?
- The 2020 Mercedes-Benz SL450 offers up to 13.5 cubic feet of cargo capacity, depending on trim and seating configuration.
- How many trims does the 2020 Mercedes-Benz SL450 come in?
- The 2020 Mercedes-Benz SL450 is available in 1 trim across Convertible body styles with rear wheel drive.