The Mercedes-Benz 300 is a compact car built from 1981 to 1993 over 4 generations. Engines offered: V6, V8, 5-cyl. Worth buying? It scores near the top of what we track at 4.5/5 — and the year you pick matters far more than the badge (best and worst years →).
What the 300 is
The Mercedes-Benz 300 is a compact car that Mercedes-Benz built from 1981 to 1993 — 13 model years. Our measurements put it at 4 generations, the current one starting in 1986. It has been offered with V6, V8, 5-cyl power. Its closest siblings in the Mercedes-Benz range: 560, 400, 260.
300 generations, and what changed
These boundaries are not copied from a brochure — they fall out of the measurements. Where the 300's length or wheelbase jumps between consecutive model years the platform changed: a facelift moves a bumper by centimetres, a new generation moves the whole car — for the 300 that gives 4 distinct generations below.
| Generation | Length | Wheelbase | Weight | vs previous | Weight change |
|---|---|---|---|---|---|
| 1971-1972 | 500 cm | 285 cm | 1794 kg | - | - |
| 1975-1976 | 497 cm | 275 cm | 1565 kg | -3 cm | -229 kg |
| 1977-1985 | 485 cm | 279 cm | 1594 kg | -12 cm | +29 kg |
| 1986-1993 | 476 cm | 280 cm | 1530 kg | -9 cm | -64 kg |
Mercedes-Benz 300 tire size, oil type & owner specs
The fitment 300 owners look up most — tires, wheels, oil and batteries. Exact wheel and tire sizes decode from your VIN or the driver's door-jamb placard; the universal items are listed below.
Exact tire, wheel, oil grade, capacity and battery group are added per trim and model year — decode your VIN above for the factory fitment. Universal items shown as-is.
What engines does the Mercedes-Benz 300 have? Power & range
The Mercedes-Benz 300 is offered with 3 powertrains — 3.2L 6-cyl, 3.8L 8-cyl, 2.5L 5-cyl. Here's the lineup by engine, transmission and drivetrain — 3 for the Mercedes-Benz 300, against one or two on most rivals.
| Engine | Displacement | Transmission | Drive | Fuel |
|---|---|---|---|---|
| V6 | 3.2L · 6-cyl | Automatic 4-spd | RWD | Premium |
| V8 | 3.8L · 8-cyl | Automatic 4-spd | — | Regular |
| 5-cyl | 2.5L · 5-cyl | Automatic 4-spd | RWD | Diesel |
Horsepower, torque and fuel-tank size decode from your VIN — exact figures vary by engine and trim.
Source: EPA fueleconomy.gov (engines, drivetrain, range, charge time). Horsepower & torque from NHTSA vPIC on VIN decode.
The 300 by the numbers
What the federal and market records say about the Mercedes-Benz 300. Each line opens the full breakdown by year.
| Topic | 300 | Detail |
|---|---|---|
| Recalls | 11 campaigns | NHTSA, all years |
| Reliability | 4.5 / 5 | Best and worst years |
| Used value | 19 listings | What it sells for now |
Frequently asked questions
What kind of car is the Mercedes-Benz 300?
The 300 is a compact car, built from 1981 to 1993 across 4 generations. Engines offered: V6, V8, 5-cyl.
How many generations does the 300 have?
4 by our measurements, the latest starting in 1986. We draw the boundaries where length or wheelbase jumps between model years — a facelift moves a bumper, a new generation moves the whole car.
What is the Mercedes-Benz 300 warranty?
New models carry 4 years / 50,000 miles basic cover and 4 years / 50,000 miles on the powertrain. Worth knowing: across our complaint records the typical car reaches the halfway point of its faults at five years, so most repairs land after the basic warranty ends.
Is the 300 reliable?
It scores 4.5/5 in our data. The honest answer depends on the year far more than the model — see the best and worst years, and when this car starts to break.
How do I check a specific 300?
This page describes the model; it cannot tell you whether that car has an open recall or a branded title. Run its VIN against the records — free, and matched to the exact production run.
More in Mercedes-Benz
| Model | Years | Recalls | Best MPG | ForCar score |
|---|---|---|---|---|
| Mercedes-Benz G-Class | 1999–2026 | 75 | — | 3.5/5 |
| Mercedes-Benz Sprinter | 2010–2026 | 143 | — | 4.0/5 |
| Mercedes-Benz C-Class | 1994–2026 | 213 | — | 4.0/5 |
| Mercedes-Benz S-Class | 1994–2026 | 176 | — | 3.5/5 |
| Mercedes-Benz 350 | 1983–1991 | — | 21 mpg | 4.5/5 |
| Mercedes-Benz E-Class | 1994–2026 | 246 | — | 4.0/5 |
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