Mercedes S-Class
+ Mercedes-Benz cars of the class S (W-140)
+ Operation manual
+ Routine maintenance
- Engine
Check of a compression in engine cylinders
Check of the engine by means of the vacuum gage
Belt of the streaming drive of auxiliary units
+ 6-cylinder petrol engines (M104.944 and M104.990/994)
+ 8-cylinder petrol engines (M119.970/981 and M119.971/981)
+ 12-cylinder petrol engines (M120.980/982)
+ 6-cylinder diesel engines (OM603.971)
+ 6-cylinder diesel engines (OM606.961)
+ Cooling systems, heating
+ Power supply system and release
+ Engine electric equipment
+ Gear shifting box
+ Automatic transmission
+ Coupling
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
Engine
Specifications
General parameters
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Separate characteristics are provided also in the text of the Head and in case of obligation of their performance are highlighted in bold type. |
Engine
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Specifications were defined according to directives of the EU. All data are valid for cars in basic execution with the catalytic converter. Depending on elements of a special complete set data can differ from each other. On this matter you can receive references on any HUNDRED Mercedes-Benzs. |
General characteristics
|
Model |
Years of the issue. | Code on VIN | Type of an engine/fuel supply system | Volume, cm3 | Quantity and расп. c ditch | Power, hp/kW | Torque, Nanometer | Max. speed, km/h |
Notes |
| 300SE 2.8 | 92-93 | 140.028 | M104.944HFM | 2799 | R6 | 193/142 | 270 | 215 | |
| S280 | 93-94 | ||||||||
| 300SE (SEL) | 91-93 | 140.032 (033) | M104.990LH | 3199 | R6 | 231/170 | 315 | 225 | |
| S320 | 93-98 | M104.944HFM | |||||||
| 300SD | 91-93 | 140.134 | OM603.971 | 3449 | R6 | 150/110 | 330 | 185 | |
| S350 TD | 93-96 | ||||||||
| S300 TD | 96-98 | 140.135 | OM606.961 | 2996 | R6 | 177/130 | 330 | 205 | |
| 400SE (SEL) | 91-93 | 140.042 (043) | M119.971LH and M119.981ME |
4196 | V8 | 279/205 | 400 | 245 | |
| S420 | 93-98 | ||||||||
| 500SE (SEL) | 91-93 | 140.050 (051) | M119.970LH and M119.980ME |
4973 | V8 | 320/235 | 470 | 250 | Ogr. 270 km/h |
|
S500 |
93-98 | ||||||||
| 600SE (SEL) | 91-93 | 140.056 (057) | M120.980LH and M120.982ME |
5987 | V12 | 394/290 | 570 | 250 | Ogr. 290 km/h |
| S600 | 93-98 |
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Rated power, kW (h.p.) / at rpm)//Nominal torque, Nanometer (at rpm) | |
| S280 |
142 (193)/5500//270/3750
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| S320 |
170 (231)/5600//315/3750
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| S420 |
205 (279)/5700//400/3900
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| S300 |
TDI 130/4400//330/1600-3600
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| S500 |
235 (320)/5600//470/3900
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| S600 |
290 (394)/5200//570/3800
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Number cylinders/type/worker volume, cm3/designation | |
| S280 |
6/DOHC/2799/104
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| S320 |
6/DOHC/3199/104
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| S420 |
8/OHC/4196/119
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| S300 |
TDI 6/DOHC/2996/606
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| S500 |
8/OHC/4973/119
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| S600 |
12/OHC/5987/120
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Maximum turns, rpm | |
| S280 |
6400
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| S320 |
6400
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| S420 |
6000
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| S300 |
TDI 5300
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| S500 |
6000
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| S600 |
6000
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Extent of compression | |
| S280 |
Data are not provided
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| S320 |
10.0:1
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| S420, S500 |
11.0:1
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| S600 |
Data are not provided
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| S320CDI |
Data are not provided
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Pressure of a compression, bar | |
| S280 S320 |
10-14
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| S420, S500, S600 |
13.5-15.5
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| S300 |
TDI 26-32
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Operating procedure of cylinders | |
| S280, S320, S300 |
TDI 1-5-3-6-2-4
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| S420, S500 |
1-5-4-8-6-3-7-2
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| S600 |
1-12-5-8-3-10-6-7-2-11-4-9
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Driving belt
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(Generator/helmsman amplifier, air conditioner), mm | |
| S280 |
2170/2257
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| S320 |
2337/2440
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| S420, S500 |
2460/-
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| S300 |
TDI 6PKx2080/6PKx2120
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| S600 |
2585/-
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| Valvate gaps |
are not regulated since.
hydrocompensators are used |
Capital repairs of the engine
M104 series engines
Sizes of bearings of camshafts
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Nominal diameter, mm | |
| Camshaft |
29.947 29.963
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| Head of the block of cylinders |
30.000 30.021
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Repair diameter, mm | |
| Camshaft |
30.434 30.450
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| Head of the block of cylinders |
30.500 30.525.
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| Admissible purity of a surface of a bed, mm |
0.001-0.004
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| Admissible conicity, mm |
0.012
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| Admissible shift of an axis, mm |
0.040
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Side play in the bearing, mm | |
| Radial |
0.035
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| Axial |
0.06 - 0.21
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The sizes of the directing plugs of valves
Plugs from non-ferrous metal|
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The directing plug from non-ferrous metal (M104.990 engines of the first version) |
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Diameters of openings in a head of the block of cylinders, mm | |
| Nominal size |
13.50-13.51
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| 1st nominal size |
13:53
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| Repair size |
13.70
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Outer diameter of the directing plug, mm / Color marking | |
| Nominal size |
13.52-13.53/-
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| 1st nominal size |
13.54-13.55/Gray-brown
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| Repair size |
13.71-13.72 / Red
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| Tightness, mm |
0.012-0.031
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Internal diameter of the directing 1st version, mm | |
| Inlet valve |
8.000-8.015
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| Final valve |
9.000-9.015
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Internal diameter of the directing 2nd version, mm | |
| Inlet valve |
7.000-7.015
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| Final valve |
8.000-8.015
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Length of the "L" plug, mm | |
| Inlet valve |
35.5
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| Final valve |
37.9
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Vystupaniye "from" the plug, mm | |
| Inlet valve |
10.8-11.2
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| Final valve |
8.2-8.6
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Ceramic-metal plugs
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The metal directing plug of the M104.990 engine (the second version) and M104.944/994 |
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Diameter of an opening in a head of the block of cylinders, mm | |
| Nominal size |
12.50-12.51
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| 1st nominal size |
12:53
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| Repair size |
12.70
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Outer diameter of the directing plug, mm / Color marking | |
| Nominal size |
12.54/-
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| 1st nominal size |
12.56-12.57/-
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| Repair size |
12.74-12.75/-
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| Tightness, mm |
0.029-0.051
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Internal diameter of the directing plug, mm | |
| Inlet and final valves |
7.000-7.015
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Length of the "L" guide of the plug, mm | |
| Inlet and final valves |
37.5
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Vystupaniye "from" the directing plug, mm | |
| Inlet and final valves |
10.2-10.4
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Sizes of saddles of valves
Details of installation of saddles of valves
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Inlet valve//Final valve | |
| Nominal rates, mm | |
| Diameter of D1 of an opening |
36 H6//32 H6
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| Diameter is D a saddle |
36.10-36.12/32.10-32.12
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Repair values, mm | |
| Diameter of D1 of an opening |
37.20 H6 H6//33.20
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| Diameter is D a saddle |
37.30/32.30
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| T size |
5.6-5.9
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| Diameter of D2 |
30/25.6
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Performance data of piston rings
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Gaps of landing of rings in flutes of pistons, mm | |
|
Characteristic |
Value |
| Top compression ring |
0.20-0.40
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| Lower compression ring |
0.20-0.40
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| Oil scraper ring |
0.20-0.45
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Gaps in locks of rings, mm | |
| Top compression ring |
0.015-0.050
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| Lower compression ring |
0.020-0.040
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| Oil scraper ring |
0.010-0.045
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Sizes and weight of rods and conrod bearings
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2 — Designation |
6 — the Top insert |
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Rods | |
| Distance of "L" between centers heads of a rod, mm | |
| M104.94 |
148.995-49.005
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| M104.99 |
144.995-145.005
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| Width "In" lower heads of a rod, mm |
21.948 - 22.000
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| Width of "b" of the top head of a rod, mm |
21.948 - 22.000
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| Diameter of "D1" of the lower head without inserts, mm |
51.600 - 51.619
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| Diameter of "d1" of the top head under the plug, mm |
24.500 - 24.571
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| Internal diameter of "d" of the plug of the top head of a rod, mm |
22.007 - 22.013
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| Side play of a piston finger in the plug, mm |
0.013 - 0.018
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| Admissi | |