Mercedes-Benz

Mercedes-Benz 300

Mercedes-Benz 300
Photo: nakhon100 / Wikimedia Commons · CC BY 2.0

The official data lists 47 versions of the Mercedes-Benz 300 (1984–1993), in the United States. Each market publishes its own figures, measured on its own test procedure.

At a glance

Years in the data
1984–1993
Markets
United States
Engines
2.5 L to 3.8 L
Fuels
Diesel, Petrol
Lowest consumption (United States)
9.0 L/100 km (EPA)

What does the Mercedes-Benz 300 name cover?

Mercedes-Benz used the 300 name across several model lines and body styles. In the US figures for 1984 to 1993, it spans an open-top SL, the W124 saloon and related body styles, and the large W140 saloon.

The R107 SL was also offered as the C107 coupé. The W124 family included saloon, estate, coupé and cabriolet forms, while the W140 was a larger saloon. The 300 badge therefore appeared on cars with different roles, from open-air touring to family and formal travel.

Generations and engines

The R107 appears in the model years from 1984 to 1989. The W124 runs from 1984 to 1993, while the W140 appears from 1991 to 1993. These overlapping periods represent distinct 300-badged cars rather than a single generation replacing another.

Across the US EPA range, engines span 2.5 L to 3.8 L, with petrol and diesel options. The badge covered cars suited to different kinds of driving, from an open-top SL to saloon and estate models.

How economical is the Mercedes-Benz 300?

The best combined EPA rating for the US range is 26 MPG. Its lowest listed consumption is 9 L/100 km under the EPA procedure. EPA tests differ from European WLTP or NEDC tests, so results from different regions are not directly comparable.

Where was the 300 sold?

The US market figures cover 1984 to 1993. They include petrol and diesel models with engines from 2.5 L to 3.8 L, across several Mercedes-Benz model lines.

Questions and answers

Was the Mercedes-Benz 300 one specific car?

The 300 name covered several model lines, including the R107, W124 and W140 in the US figures.

What body styles did the 300 range include?

The listed model lines include the R107 SL roadster and C107 coupé, W124 saloon, estate, coupé and cabriolet forms, and the W140 saloon.

What is the best combined EPA rating listed?

The best combined rating shown for the US range is 26 MPG.

300 R107 (1984–1989)

Mercedes-Benz 300 R107
Photo: nakhon100 / Wikimedia Commons · CC BY 2.0

Model codes: R107, C107 · References: en.wikipedia.org

Show all 16 versions

300 W124 (1984–1993)

Mercedes-Benz 300 W124
Photo: OSX / Wikimedia Commons · Public domain

Model codes: W124, S124, C124, A124 · References: en.wikipedia.org, eva2.compu85.net

Show all 47 versions

300 W140 (1991–1993)

Model codes: W140 · References: en.wikipedia.org

United States 23 versions

Model years sold in the USA, from the EPA and the Department of Energy (fueleconomy.gov). MPG on the EPA test; litres per 100 km = 235.215 ÷ MPG.

Years and versionEngineFuelGearboxDriveConsumption (combined)CO₂
1993(DSL,TRBO) (NO-CAT)2.5 LDiesel4-speed automaticRear-wheel drive26 MPG (9.0 L/100 km) EPA243 g/km
1993(FFS)2.8 LPetrol4-speed automaticRear-wheel drive19 MPG (12.4 L/100 km) EPA291 g/km
1993(GUZZLER) (FFS)3.0 LPetrol5-speed automaticRear-wheel drive17 MPG (13.8 L/100 km) EPA325 g/km
1993(GUZZLER) (FFS)3.0 LPetrol5-speed manualRear-wheel drive16 MPG (14.7 L/100 km) EPA345 g/km
1993(GUZZLER) (FFS)3.0 LPetrol4-speed automaticFour- or all-wheel drive17 MPG (13.8 L/100 km) EPA325 g/km
1993(GUZZLER) (FFS)3.2 LPetrol5-speed automaticRear-wheel drive15 MPG (15.7 L/100 km) EPA368 g/km
1993(FFS)3.2 LPetrol4-speed automaticRear-wheel drive19 MPG (12.4 L/100 km) EPA291 g/km
1993(FFS)3.2 LPetrol4-speed automaticRear-wheel drive18 MPG (13.1 L/100 km) EPA307 g/km
1992–1993(DSL,TRBO) (NO-CAT)3.5 LDiesel4-speed automaticRear-wheel drive19 MPG (12.4 L/100 km) EPA333 g/km
1992(DSL,TRBO) (NO-CAT)2.5 LDiesel4-speed automaticRear-wheel drive25 MPG (9.4 L/100 km) EPA253 g/km
1992(FFS)2.6 LPetrol4-speed automaticRear-wheel drive20 MPG (11.8 L/100 km) EPA276 g/km
1991–1992(GUZZLER) (FFS)3.0 LPetrol5-speed automaticRear-wheel drive17 MPG (13.8 L/100 km) EPA325 g/km
1991–1992(FFS)3.0 LPetrol4-speed automaticRear-wheel drive18 MPG (13.1 L/100 km) EPA307 g/km
1992(GUZZLER) (FFS)3.0 LPetrol5-speed manualRear-wheel drive17 MPG (13.8 L/100 km) EPA325 g/km
1992(FFS)3.0 LPetrol4-speed automaticRear-wheel drive17 MPG (13.8 L/100 km) EPA325 g/km
1992(GUZZLER) (FFS)3.0 LPetrol4-speed automaticFour- or all-wheel drive16 MPG (14.7 L/100 km) EPA345 g/km
1992(GUZZLER) (FFS)3.2 LPetrol5-speed automaticRear-wheel drive15 MPG (15.7 L/100 km) EPA368 g/km
1991(FFS)2.6 LPetrol4-speed automaticRear-wheel drive19 MPG (12.4 L/100 km) EPA291 g/km
1991(GUZZLER) (FFS)3.0 LPetrol5-speed manualRear-wheel drive16 MPG (14.7 L/100 km) EPA345 g/km
1991(GUZZLER) (FFS), EMS · (GUZZLER) FFS MPFI (FFS), EMS 2MODE CLKU3.0 LPetrol4-speed automaticRear-wheel drive15 MPG (15.7 L/100 km) EPA368 g/km
1991(GUZZLER) (FFS), EMS3.0 LPetrol4-speed automaticRear-wheel drive15 MPG (15.7 L/100 km) EPA368 g/km
1991(FFS)3.0 LPetrol4-speed automaticRear-wheel drive18 MPG (13.1 L/100 km) EPA307 g/km
1991(GUZZLER) (FFS), EMS 2MODE3.0 LPetrol4-speed automaticRear-wheel drive15 MPG (15.7 L/100 km) EPA368 g/km

Official figures are measured on standard test procedures and differ between markets. Your consumption depends on how, where and in what conditions you drive.