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Mercedes-Benz

Mercedes-Benz · model year 1986

1986 Mercedes-Benz 300SDL

Midsize · Rear-Wheel Drive · Diesel · EPA class: Midsize Cars

EPA figures · 1986fueleconomy.gov
22MPG combined
21/24MPG city / highway
$4,350fuel a year
463 g CO₂ per mile 3.0 L 6-cyl Automatic 4-spd
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.

Where it places

The CarCody take

The 1986 Mercedes-Benz 300SDL is a midsize car with a 3.0-liter six-cylinder diesel, four-speed automatic transmission, and rear-wheel drive. It returns 21 MPG in city driving, 24 MPG on the highway, and 22 MPG combined. The listed annual fuel cost is $4,350, with tailpipe emissions of 462.73 grams per mile.

Good to know

  • 22 MPG combined fuel economy
  • 24 MPG highway rating
  • 3.0 L six-cylinder diesel engine
  • Four-speed automatic transmission
  • Rear-wheel drive

Watch for

  • Listed annual fuel cost is $4,350
  • 21 MPG city rating
  • Tailpipe CO2 is 462.73 grams per mile
  • Rear-wheel drive limits drivetrain choice

Who it suits. Drivers wanting a midsize diesel car Highway-focused driving with automatic transmission Buyers seeking rear-wheel drive

Choose the 300SDL if a midsize body, diesel engine, automatic shifting, and rear-wheel drive match your priorities. Its fuel figures are steady rather than exceptional, with a narrow three-MPG spread between city and highway ratings. The annual fuel-cost figure is substantial, so running expense deserves attention before buying. Buyers who need a different drivetrain or want a lower listed yearly fuel cost should look beyond this model.

What it is

The 1986 Mercedes-Benz 300SDL is a midsize car from the 300 family. It uses a 3.0 L six-cylinder diesel engine, a four-speed automatic transmission, and rear-wheel drive. See other Mercedes-Benz cars.

The numbers

Its defining EPA figure is 22 MPG combined. City driving is rated at 21 MPG, while highway driving is rated at 24 MPG.

What it costs to run

The listed annual fuel cost is $4,350. Tailpipe emissions are 462.73 grams per mile.

How it compares

The available figures show this car's 22 MPG combined result, plus its 21 city and 24 highway ratings. No other car's figures are provided here for a direct side-by-side comparison.

Who it suits

This car suits a buyer looking for a midsize diesel with an automatic transmission and rear-wheel drive. Its 24 MPG highway rating favors drivers whose use includes highway travel.

Trade-offs

The diesel powertrain and 22 MPG combined rating come with a listed annual fuel cost of $4,350. City economy is lower than highway economy at 21 MPG, and the drivetrain is rear-wheel drive.

Verdict

Choose the 300SDL if a midsize body, diesel engine, automatic shifting, and rear-wheel drive match your priorities. Its fuel figures are steady rather than exceptional, with a narrow three-MPG spread between city and highway ratings. The annual fuel-cost figure is substantial, so running expense deserves attention before buying. Buyers who need a different drivetrain or want a lower listed yearly fuel cost should look beyond this model.

Every figure on record

Efficiency
Combined MPG
22 MPG
City MPG
21 MPG
Highway MPG
24 MPG
Running cost
Annual fuel cost
$4,350
Tailpipe CO₂
463 g per mile
The car
Model year
1986
Body
Car
EPA size class
Midsize Cars
Drive
Rear-Wheel Drive
Powertrain
Engine
3.0 L 6-cyl
Transmission
Automatic 4-spd
Fuel
Diesel

Questions

What is the 1986 Mercedes-Benz 300SDL's combined MPG?

Its combined rating is 22 MPG.

What are its city and highway MPG ratings?

It is rated at 21 MPG in the city and 24 MPG on the highway.

What engine does the 300SDL use?

It has a 3.0 L six-cylinder diesel engine.

What transmission and drivetrain does it have?

The car uses a four-speed automatic transmission and rear-wheel drive.

What is its annual fuel cost?

The listed annual fuel cost is $4,350.

How much tailpipe CO2 does it produce?

Tailpipe CO2 is listed at 462.73 grams per mile.

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