Numbers and More Numbers

by | Jul 2001 | 0 comments

The Mercedes-Benz vehicle type, parts, service groups and information classifications

If you’re a relative newcomer to working on Mercedes-Benz vehicles, you may be surprised at how many numbers you run into. Besides the fact that the company uses numbers for the sales descriptions of their cars, unlike most domestic or Asian carmakers, these sales numbers are not even the ‘real’ numbers! What’s more, everything else also fits into a numbering system that gradually developed over time to encompass everything on the vehicles, one that includes within the system provision for classifying vehicle technologies not yet invented.

First are the car model numbers. These correspond to the chassis/frame construction of the vehicle, not the sales number. The sales number usually, though not always, reflects in a stylized way the displacement of the engine in liters. Since the same engines are often used in different body styles, you can find more than one kind of vehicle with, say, the number 300 in its sales designation. On the following page are the service group and parts classifications. Every part and every piece of service information fits here in the parts bin or the service literature under that number.

Models Previously in Production

Model 107, the SL two-seat sports car, dates from 1971 to 1989.

Model 116, a large sedan, dates from late 1972 to 1980.

Model 123, a medium sedan, dates from 1976 to 1985. There were station wagon models as well.

Model 124, a medium sedan/coupe, successor to the 123, began in 1985 until 1995. There are station wagon 124’s as well.

Model 126, a large sedan, successor to the 116, dates from 1979 to 1991

The two-seat 129 SL, successor to the 107, began in 1989 and is still built.

The model 140, a large sedan/coupe, also called the S-class, began in 1991 until 1999.

Model 201, the smallest sedan, began in 1982 and continued to 1993.

Model 202, sometimes called the C-class, began in 1992 until 2000.

Models Currently in Production

Model 170 was introduced in 1998 as a two-seat convertible with a retractable hardtop.

Model 163 was introduced in 1997. Built in the US, it is the first MBUSA SUV.

In 2001, Model 202 was replaced by model 203, also available as a coupe.

Model 208 was introduced in 1998 as a two-door coupe or convertible.

Model 215 was introduced in 2000 as a hardtop coupe with an all-aluminum body.

Model 220 was introduced in 1999 as a 2000-year model.

 

Number Contents Number Contents
01 Maintenance, service, technical data, General descriptions, Operating instructions, General considerations concerning service products (fluids, etc.) Jacking, towing, laying-up of vehicle 02

Engine, removal and installation, Crankcase, cylinder head, engine breathing

03 Crankshaft assembly 05

Engine timing, valves

07 Diesel injection system, Carburetor system, Mechanically and mechanically/electronically controlled gasoline injection system, Electronically controlled gasoline injection system 09 Air cleaner, intake air preheater, exhaust gas turbocharger
13

Air compressor, belt drives, Intake manifold, exhaust manifold, exhaust brake, emission control system

15 Electrical system, engine (ignition system, preheating system, starter, alternator)
18 Engine lubrication, engine oil cooler 20

Engine cooling system, coolant hoses, radiator

22 Engine mounts 25 Clutch
26

Manual transmission, power takeoffs

27 Automatic transmission
28 Transfer case (4MATIC) 29 Pedals
30

Throttle control, cruise control systems (Tempomat)

31 Frame, trailer operation
32 Suspension 33

Front axle

35

Rear axle, trailing axle

40 Wheels, chassis alignment
41

Driveshaft and U-joints

42

Brakes – hydraulic and mechanical system

43

Brakes – pneumatic and auxiliary brakes

46 Steering
47

Fuel system

49

Exhaust system, heat shields

54 Electrical system, equipment and instruments 55

Auxiliary drives, hydraulic and articulated systems

58

Tools, test instruments, equipment

60

Body, general

61 Undercarriage 62 Front end and firewall
63

Side walls (body)

64

Rear bulkhead and rear end

65 Roof 67

Glass and windows

68

Interior equipment

72 Doors
77 Slide roof (sun roof), top, luggage racks 80

Central locking system, convenience hydraulics, electrical system, body, radio, windshield washer, light range regulator

83 Climate control 86

Emergency equipment, sanitary equipment, kitchen

88

Attachments, outside flaps

91

Seats, cots, restraint systems

94

Body noises, sound insulation

97

Body sealing, anticorrosion protection

98 Paintwork 99

Technical literature, validity list, administration

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