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Mercedes-Benz SL 55 Gas Tank Size (2003-2027)

Researched By The AutoPadre Research Team

Last Updated 2026-09-02

The Mercedes-Benz SL 55 gas tank sizes range from 18.0 gallons to 21.1 gallons as specified in our data below, organized by trim, option package, and model year.

The gas tank size of the Mercedes-Benz SL 55, when combined with its fuel mileage, gives the SL 55 the following ranges depending on the model year and options:

City range from 240 miles to 356 miles
Highway range from 358 miles to 495 miles

Check out the Gas Tank Size specifications for other makes and models.

2027 Mercedes-Benz SL 55 Gas Tank Size

The 2027 Mercedes-Benz SL 55 gas tank size is 18.5 gallons.

On a full tank of fuel, the 2027 Mercedes-Benz SL 55 has the following ranges:

City range of 259 miles
Highway range of 389 miles

2027 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
Roadster Coupe	4.0L \| Turbo \| 8 Cyl. \| 9 Spd Auto w/OD \| AWD	18.5 gal.	259 city \| 389 hwy \| 296 combined

2027 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
Roadster Coupe	4.0L \| Turbo \| 8 Cyl. \| 9 Spd Auto w/OD \| AWD	70.0 liters	417 city \| 626 hwy \| 476 combined

2026 Mercedes-Benz SL 55 Gas Tank Size

The 2026 Mercedes-Benz SL 55 gas tank size is 18.5 gallons.

On a full tank of fuel, the 2026 Mercedes-Benz SL 55 has the following ranges:

City range of 259 miles
Highway range of 389 miles

2026 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
Roadster Coupe	4.0L \| Turbo \| 8 Cyl. \| 9 Spd Auto w/OD \| AWD	18.5 gal.	259 city \| 389 hwy \| 296 combined

2026 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
Roadster Coupe	4.0L \| Turbo \| 8 Cyl. \| 9 Spd Auto w/OD \| AWD	70.0 liters	417 city \| 626 hwy \| 476 combined

2025 Mercedes-Benz SL 55 Gas Tank Size

The 2025 Mercedes-Benz SL 55 gas tank size is 18.5 gallons.

On a full tank of fuel, the 2025 Mercedes-Benz SL 55 has the following ranges:

City range of 259 miles
Highway range of 389 miles

2025 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
Roadster Convertible	4.0L \| Turbo \| 8 Cyl. \| 9 Spd Auto w/OD \| AWD	18.5 gal.	259 city \| 389 hwy \| 333 combined

2025 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
Roadster Convertible	4.0L \| Turbo \| 8 Cyl. \| 9 Spd Auto w/OD \| AWD	70.0 liters	417 city \| 626 hwy \| 536 combined

2024 Mercedes-Benz SL 55 Gas Tank Size

The 2024 Mercedes-Benz SL 55 gas tank size is 18.5 gallons.

On a full tank of fuel, the 2024 Mercedes-Benz SL 55 has the following ranges:

City range of 259 miles
Highway range of 389 miles

2024 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
Roadster Hybrid	4.0L \| Turbo \| 8 Cyl. \| 9 Spd Auto w/OD \| AWD	18.5 gal.	259 city \| 389 hwy \| 333 combined

2024 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
Roadster Hybrid	4.0L \| Turbo \| 8 Cyl. \| 9 Spd Auto w/OD \| AWD	70.0 liters	417 city \| 626 hwy \| 536 combined

2023 Mercedes-Benz SL 55 Gas Tank Size

The 2023 Mercedes-Benz SL 55 gas tank size is 18.5 gallons.

On a full tank of fuel, the 2023 Mercedes-Benz SL 55 has the following ranges:

City range of 240 miles
Highway range of 388 miles

2023 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
AMG Roadster Hybrid	4.0L \| Twin Turbo \| V8 \| 9 Spd Auto w/OD \| AWD	18.5 gal.	240 city \| 388 hwy \| 314 combined

2023 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
AMG Roadster Hybrid	4.0L \| Twin Turbo \| V8 \| 9 Spd Auto w/OD \| AWD	70.0 liters	386 city \| 624 hwy \| 505 combined

2022 Mercedes-Benz SL 55 Gas Tank Size

The 2022 Mercedes-Benz SL 55 gas tank size is 18.0 gallons.

On a full tank of fuel, the 2022 Mercedes-Benz SL 55 has the following ranges:

City range of 252 miles
Highway range of 378 miles

2022 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
AMG Roadster	4.0L \| Twin Turbo \| V8 \| 9 Spd Auto w/OD \| AWD	18.0 gal.	252 city \| 378 hwy \| 315 combined

2022 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
AMG Roadster	4.0L \| Twin Turbo \| V8 \| 9 Spd Auto w/OD \| AWD	68.1 liters	406 city \| 608 hwy \| 507 combined

2020 Mercedes-Benz SL 55 Gas Tank Size

The 2020 Mercedes-Benz SL 55 gas tank size is 19.8 gallons.

On a full tank of fuel, the 2020 Mercedes-Benz SL 55 has the following ranges:

City range of 336 miles
Highway range of 495 miles

2020 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
0 Roadster	4.7L \| Twin Turbo \| V8 \| 9 Spd Auto w/OD \| RWD	19.8 gal.	336 city \| 495 hwy \| 415 combined

2020 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
0 Roadster	4.7L \| Twin Turbo \| V8 \| 9 Spd Auto w/OD \| RWD	75.0 liters	541 city \| 797 hwy \| 668 combined

2019 Mercedes-Benz SL 55 Gas Tank Size

The 2019 Mercedes-Benz SL 55 gas tank size is 19.8 gallons.

On a full tank of fuel, the 2019 Mercedes-Benz SL 55 has the following ranges:

City range of 336 miles
Highway range of 495 miles

2019 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
0 Roadster	4.7L \| Twin Turbo \| V8 \| 9 Spd Auto w/OD \| RWD	19.8 gal.	336 city \| 495 hwy \| 415 combined

2019 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
0 Roadster	4.7L \| Twin Turbo \| V8 \| 9 Spd Auto w/OD \| RWD	75.0 liters	541 city \| 797 hwy \| 668 combined

2018 Mercedes-Benz SL 55 Gas Tank Size

The 2018 Mercedes-Benz SL 55 gas tank size is 19.8 gallons.

On a full tank of fuel, the 2018 Mercedes-Benz SL 55 has the following ranges:

City range of 336 miles
Highway range of 495 miles

2018 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
0 Roadster	4.7L \| Twin Turbo \| V8 \| 9 Spd Auto w/OD \| RWD	19.8 gal.	336 city \| 495 hwy \| 415 combined

2018 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
0 Roadster	4.7L \| Twin Turbo \| V8 \| 9 Spd Auto w/OD \| RWD	75.0 liters	541 city \| 797 hwy \| 668 combined

2017 Mercedes-Benz SL 55 Gas Tank Size

The 2017 Mercedes-Benz SL 55 gas tank size is 19.8 gallons.

On a full tank of fuel, the 2017 Mercedes-Benz SL 55 has the following ranges:

City range of 336 miles
Highway range of 495 miles

2017 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
0 Roadster	4.7L \| Twin Turbo \| V8 \| 9 Spd Auto w/OD \| RWD	19.8 gal.	336 city \| 495 hwy \| 415 combined

2017 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
0 Roadster	4.7L \| Twin Turbo \| V8 \| 9 Spd Auto w/OD \| RWD	75.0 liters	541 city \| 797 hwy \| 668 combined

2016 Mercedes-Benz SL 55 Gas Tank Size

The 2016 Mercedes-Benz SL 55 gas tank size is 19.8 gallons.

On a full tank of fuel, the 2016 Mercedes-Benz SL 55 has the following ranges:

City range of 316 miles
Highway range of 475 miles

2016 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
0 Roadster	4.7L \| Twin Turbo \| V8 \| 7 Spd Auto w/OD \| RWD	19.8 gal.	316 city \| 475 hwy \| 396 combined

2016 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
0 Roadster	4.7L \| Twin Turbo \| V8 \| 7 Spd Auto w/OD \| RWD	75.0 liters	509 city \| 764 hwy \| 637 combined

2015 Mercedes-Benz SL 55 Gas Tank Size

The 2015 Mercedes-Benz SL 55 gas tank size is 19.8 gallons.

On a full tank of fuel, the 2015 Mercedes-Benz SL 55 has the following ranges:

City range of 336 miles
Highway range of 475 miles

2015 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
0 Roadster	4.7L \| Twin Turbo \| V8 \| 7 Spd Auto w/OD \| RWD	19.8 gal.	336 city \| 475 hwy \| 405 combined

2015 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
0 Roadster	4.7L \| Twin Turbo \| V8 \| 7 Spd Auto w/OD \| RWD	75.0 liters	541 city \| 764 hwy \| 652 combined

2014 Mercedes-Benz SL 55 Gas Tank Size

The 2014 Mercedes-Benz SL 55 gas tank size is 19.8 gallons.

On a full tank of fuel, the 2014 Mercedes-Benz SL 55 has the following ranges:

City range of 356 miles
Highway range of 495 miles

2014 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
0 Roadster	4.7L \| Twin Turbo \| V8 \| 7 Spd Auto w/OD \| RWD	19.8 gal.	356 city \| 495 hwy \| 425 combined

2014 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
0 Roadster	4.7L \| Twin Turbo \| V8 \| 7 Spd Auto w/OD \| RWD	75.0 liters	573 city \| 797 hwy \| 684 combined

2013 Mercedes-Benz SL 55 Gas Tank Size

The 2013 Mercedes-Benz SL 55 gas tank size is 19.8 gallons.

On a full tank of fuel, the 2013 Mercedes-Benz SL 55 has the following ranges:

City range of 336 miles
Highway range of 495 miles

2013 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
0 Roadster	4.6L \| Turbocharged \| V8 \| 7 Spd Auto w/Manual Shift \| RWD	19.8 gal.	336 city \| 495 hwy \| 415 combined

2013 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
0 Roadster	4.6L \| Turbocharged \| V8 \| 7 Spd Auto w/Manual Shift \| RWD	75.0 liters	541 city \| 797 hwy \| 668 combined

2012 Mercedes-Benz SL 55 Gas Tank Size

The 2012 Mercedes-Benz SL 55 gas tank size is 21.1 gallons.

On a full tank of fuel, the 2012 Mercedes-Benz SL 55 has the following ranges:

City range of 295 miles
Highway range of 464 miles

2012 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
0 Roadster	5.5L \| V8 \| 7 Spd Auto \| RWD	21.1 gal.	295 city \| 464 hwy \| 379 combined

2012 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
0 Roadster	5.5L \| V8 \| 7 Spd Auto \| RWD	79.9 liters	475 city \| 747 hwy \| 610 combined

2011 Mercedes-Benz SL 55 Gas Tank Size

The 2011 Mercedes-Benz SL 55 gas tank size is 21.1 gallons.

On a full tank of fuel, the 2011 Mercedes-Benz SL 55 has the following ranges:

City range of 274 miles
Highway range of 443 miles

2011 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
0 Roadster	5.5L \| V8 \| 7 Spd Auto w/OD \| RWD	21.1 gal.	274 city \| 443 hwy \| 358 combined

2011 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
0 Roadster	5.5L \| V8 \| 7 Spd Auto w/OD \| RWD	79.9 liters	441 city \| 713 hwy \| 576 combined

2009 Mercedes-Benz SL 55 Gas Tank Size

The 2009 Mercedes-Benz SL 55 gas tank size is 21.1 gallons.

On a full tank of fuel, the 2009 Mercedes-Benz SL 55 has the following ranges:

City range of 274 miles
Highway range of 443 miles

2009 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
0 Roadster	5.5L \| V8 \| 7 Spd Auto w/OD \| RWD	21.1 gal.	274 city \| 443 hwy \| 358 combined

2009 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
0 Roadster	5.5L \| V8 \| 7 Spd Auto w/OD \| RWD	79.9 liters	441 city \| 713 hwy \| 576 combined

2008 Mercedes-Benz SL 55 Gas Tank Size

The 2008 Mercedes-Benz SL 55 gas tank size is 21.1 gallons.

On a full tank of fuel, the 2008 Mercedes-Benz SL 55 has the following ranges depending on the trim level:

City range from 253 miles to 295 miles
Highway range from 358 miles to 443 miles

2008 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
AMG Roadster	5.5L \| V8 \| 5 Spd Auto w/OD \| RWD	21.1 gal.	253 city \| 358 hwy \| 305 combined
0 Roadster	5.5L \| V8 \| 7 Spd Auto w/OD \| RWD	21.1 gal.	295 city \| 443 hwy \| 369 combined

2008 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
AMG Roadster	5.5L \| V8 \| 5 Spd Auto w/OD \| RWD	79.9 liters	407 city \| 576 hwy \| 491 combined
0 Roadster	5.5L \| V8 \| 7 Spd Auto w/OD \| RWD	79.9 liters	475 city \| 713 hwy \| 594 combined

2007 Mercedes-Benz SL 55 Gas Tank Size

The 2007 Mercedes-Benz SL 55 gas tank size is 21.1 gallons.

On a full tank of fuel, the 2007 Mercedes-Benz SL 55 has the following ranges depending on the trim level:

City range of 295 miles
Highway range from 400 miles to 464 miles

2007 Mercedes-Benz SL 55 Gas Tank Size (Imp.)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (miles)
AMG Roadster	5.5L \| V8 \| 5 Spd Auto w/OD \| RWD	21.1 gal.	295 city \| 400 hwy \| 348 combined
0 Roadster	5.5L \| V8 \| 7 Spd Auto w/OD \| RWD	21.1 gal.	295 city \| 464 hwy \| 379 combined

2007 Mercedes-Benz SL 55 Gas Tank Size (Metric)
Trim	Engine \| Transmission \| Drivetrain	Gas Tank Size	Range (km)
AMG Roadster	5.5L \| V8 \| 5 Spd Auto w/OD \| RWD	79.9 liters	475 city \| 644 hwy \| 560 combined
0 Roadster	5.5L \| V8 \| 7 Spd Auto w/OD \| RWD	79.9 liters	475 city \| 747 hwy \| 610 combined