Vehicle identification

California vehicles are identified with three, and Federal version vehicles with two emission control labels.

Emission control identification label on radiator cross member (1)

This label contains the engine identification data as well as the most important engine adjustment data.

The key for engine identification data is an 8-digit code number for model year 1980 and a 10-digit code number for model year 1981.

14.8-001/1

USA F 3

Engine Family 80.22.45.30

80

22

30

Model year

National code number

20  = Federal and California

21   = Federal

22   = California

Combustion system

1   = carburetor

2   = injection engine, gasoline

Number of cylinders ———–

3  = diesel

4  = diesel, turbo

Piston displacement -(here approx. 3000 cc)

Engine Family B MB 3.0 D 9 J B 3

B

MB

3.0

D

B

Model year——————

A = 1980, B = 1981 etc.

Manufacturer’s code Mercedes-Benz

Piston displacement———————

approx. 3000 cc

Vehicles class —————————-

D = passenger car with diesel engine

Type of fuel feed——————

6 = mechanical injection

9 = injection with turbocharger

Type of catalyst J = no catalyst

For free use of manufacturer

Check number

14.8-001/2 USA F3

M For model year 1981 there is only one version for Federal and California.

This label shows whether the vehicle is equipped with or without catalysts.

Vehicles with diesel engines are not provided with a catalyst (NON CATALYST).

This label shows a diagram of the vacuum line routing in the engine compartment for all emission-related components.

14.8-001/3

USA F 3