Mercedes C-Class

W203 since 2000 of release

Repair and operation of the car


Mercedes-Benz
+ Mercedes-Benz cars of class C (W-203)
+ Operation manual
+ Routine maintenance
- Engine
   Check of a compression in engine cylinders
   Check of the engine by means of the vacuum gage
   Removal and installation of a cover of a motive compartment from the bottom
   + 4-cylinder petrol engines
   + 6-cylinder petrol engines
   + Diesel engines
   + Engine lubrication system
+ Cooling system and heating
+ Power supply system and release
+ Engine electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment



Engine

General parameters

 Separate characteristics are provided also in the text of the Head and in case of obligation of their performance are highlighted in bold type.

Petrol engines with designation 111 and 271: Line, 4-cylinder, aluminum, with water cooling, the DOHC type, the GRM chain drive, microprocessor management, the thermometric measuring instrument of mass of air (CGI with direct injection) and the air compressor of the belt drive on engines with a letter To

Petrol engines with designation 112: V-shaped, 6-cylinder, aluminum, with water cooling, the SOHC type, the GRM chain drive microprocessor management, the thermometric measuring instrument of mass of air and a turbocompressor on AMG engines

Diesel engines with designation 611: Line, 4-cylinder, with water cooling, the DOHC type and the GRM chain drive and a turbocompressor

Diesel engines with designation 612: Line, 5-cylinder, with water cooling, the DOHC type and the GRM chain drive and a turbocompressor

Designation of model//Beginning of release

C180

111.951/with 05/00 on 05/02

C180K

271.946/with 06/02

C200K

111.955/with 05/00 on 05/02

C200K

271.940/with 06/02

C200CGI

271.942/with 12/02

C230K

111.981/with 03/01 on 05/02

C230K

271.948/with 06/02

C240

112.912/with 05/00

C320

112.946/with 05/00

C32AMG

112.961/with 03/01

C200CDI

611.962/with 05/00

C220CDI

611.962/with 05/00

C270CDI

612.962/with 05/00

C30CDI AMG

612.990/with 02/03

Rated power, kW/h.p. (at rpm)

C180

95/129 (((5300)

C180K

105/143 (((5200)

C200K

120/163 (((5300)

C200CGI

125/170 (((5500)

C230K (дв. 111)

145/197 (((5500)

C230K (дв. 271)

141/192 (((5500)

C240

125/170 (((5500)

C320

160/218 (((5700)

C32AMG

260/354 (((6100)

C200CDI

85/115 (((4200)

C220CDI

105/143 (((4200)

C270CDI

125/170 (((4200)

C30CDI

AMG 170//231 (3800)

Nominal torque, Nanometer (at rpm)

C180

190 (4000)

C180K

220 (2500)

C200K (дв. 111)

230 (2500)

C200K (дв. 271)

240 (3000)

C200CGI

250 (3000)

C230K (дв. 111)

280 (2500)

C230K (дв. 271)

260 (3500)

C240

240 (4500)

C320

310 (3000)

C32AMG

450 (4400)

C200CDI

250 (1400)

C220CDI

315 (1800)

C270CDI

370 (1600)

C30CDI AMG

540 (2000)

Number and arrangement of cylinders/valves on the cylinder

C180, C180K, C200K, C200CGI, C230K

4, line / 4

C240, C320, C32AMG

6, V-obraznoye/3

C200CDI, C220CDI

4, line / 4

C270CDI, C30CDI AMG

5, line / 4

Operating procedure of cylinders

4-cylinder

1-3-4-2

5-cylinder

1-2-4-5-3

V6

1-4-3-6-2-5

Working volume of cylinders, cm3

C180, C200K (дв. 111)

1998

C180K, C200K (дв. 271), C200CGI, C230K (дв. 271)

1796

C230K (дв. 111)

2295

C240

2597

C320, C32AMG

3199

C200CDI, C220CDI

2148

C270CDI

2685

C30CDI AMG

2950

Diameter of cylinders x Hod of pistons

C180, C200K (дв. 111)

89.9 x 78.7

C180K, C200K (дв. 271), C200CGI, C230K (дв. 271)

82.0 x 85.0

C230K (дв. 111)

90.9 x 88.4

C240

89.9 x 68.2

C320, C32AMG

89.9 x 84.0

C200CDI, C220CDI, C270CDI

88.0 x 88.3

C30CDI AMG

88.0 x 97.0

Extent of compression

C180

10.6

C180K

10.2

C200K

9.5

C200 CGI

10.5

C230K (дв. 111)

9.0

C230K (дв. 271)

8.7

C240

10.5

C320

10.0

C32AMG

9.0

C200CDI, C220CDI

18.0

C270CDI

19.0

C30CDI AMG

16.5

Capital repairs

Diameter of cylinders

  • Engines 111.940-947/960/961

Nominal

Letter And

89.900 – 89.906

Letter of X

89.907 – 89.912

Letter In

89.913 – 89.918

Repair 1

Nominal + 0.25

Repair 2

Nominal + 0.50
  • Engines 111.970/973-975/977

Nominal

Letter And

90.900 – 90.906

Letter of X

90.907 – 90.912

Letter In

90.913 – 90.918

Repair 1

Nominal + 0.25

Repair 2

Nominal + 0.50
  • Engines 271.940/941/946/948

Nominal

Tag of X

82.000 – 82.015

Tag x

82.050 – 82.065
  • Engines 271.942

Nominal

82.000 – 82.015
  • Engines 112.912

Nominal (tag of X)

83.200 – 83.215

Tag x

83.250 – 83.265

Repair

Nominal + 0.25
  • Engines 112.946/960/961

Nominal (tag of X)

89.900 – 89.915

Tag x

89.950 – 89.965

Repair

Nominal + 0.25

Engines 611, 612

Nominal

Letter And

88.000 – 87.006

Letter of X

88.006 – 87.012

Letter In

88.012 – 87.018

Head of cylinders

Engine 111

General height

135.9 – 136.0 mm

Minimum admissible height

135 mm

Tolerance from planeness in the longitudinal direction

0.08 mm

Tolerance from planeness in the cross direction

0.08 mm

Axial side play of camshafts

0.05 – 0.15 mm

Oil pressure at 80 °C

700 rpm (single turns) of not less than 0.7 atm. 3000 rpm no more than 3.0 atm.

Accumulator

12B, 75ach

Generator

Tension, In

14

Maximum current, And

150 (190 on diesel models)

Transmission

Type 5-staged automatic, 6-staged manual or automated

Efforts of tightening of threaded connections, Nanometer

The moments of an inhaling of fixture are given also in the text of the Head and on some illyustratsiyakh*.

* The moments of an inhaling highlighted in the text in bold type are subject to exact observance; the efforts which are not highlighted in bold type are given only approximately.

Bolts of fastening of a head of cylinders

4-cylinder petrol engines 111

Length of bolts – no more, mm

106

1st reception:

55 Of Nanometer

2nd reception:

on a corner 90 °

3rd reception:

on a corner 90 °

Bolts "And" fastenings of a head of cylinders to a distribution drive case cover

18 Of Nanometer +90 °

4-cylinder petrol engines

271

1st reception

45 Of Nanometer

2nd reception

on a corner 90 °

3rd reception

on a corner 90 °

6-cylinder petrol engines

112

Size of bolts

M11x141.5

Extreme length of bolts, mm

144.5

The combined bolts (and)

M8x50

The combined bolt (b)

M8x30

1st reception:

20 Of Nanometer

2nd reception:

50 Of Nanometer

3rd reception:

on a corner 65 °

4th reception:

for 65 °

Bolts "and" and "b" of fastening of a head of cylinders to a distribution drive case cover

20 Of Nanometer

4-cylinder diesel engines

611

Length of bolts – no more, mm

104

1st reception:

60 Of Nanometer

2nd reception:

on a corner 90 °

3rd reception: on a corner 90 °, M8:

20 Of Nanometer

5-cylinder diesel engines

612

Length of bolts – no more, mm

104

1st reception:

60 Of Nanometer

2nd reception:

20 Of Nanometer

3rd reception:

on a corner 90 °

4th reception:

20 Of Nanometer

5th reception:

on a corner 90 °

Bolts of fastening of covers of radical bearings of a bent shaft

Diesel engines

55 Of Nanometer +90 °

Bolts of fastening of covers of conrod bearings

Diesel engines

5 Of Nanometer +25nm +90 °

The maximum length of bolts (without a hat), mm

48

Engine

112

Asterisks of camshafts

50 Of Nanometer + 90 °

Covers of bearings of camshafts

M7x45 bolt

15

M7x84 bolt

10 Of Nanometer +90 °

The pipeline of supply of fuel to the distributive highway

38

Reception pipe of system of release to a collector

20

Cover of a head of cylinders

10

Inlet pipeline

20

Nyatyazhitel of a chain (not to sort, to replace consolidation)

80

Flywheel (driving disk)

45 Of Nanometer +90 °

Crankshaft pulley

200 Of Nanometer +90 °

Coupling basket to a flywheel

25

Bed of cam-shafts

9

Cover of cam-shafts

10

The inlet pipeline to a head of cylinders

15

Final collector to a head of cylinders

30

Nozzle clip

7 Of Nanometer +90 °

Cap nut of the pipeline of a nozzle

20

TNVD gear wheel

40

TNVD flange

14

Fastening of TNVD

9

Nuts of tips of steering drafts

50 Of Nanometer +60 °

Bolts of wheels

110