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
+ 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
   Specifications
   + Suspension bracket of forward wheels
   + Suspension bracket of back wheels
   + Angles of installation of wheels of the car
   + Steering and safety cushions
+ Body
+ Onboard electric equipment







Specifications

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

General parameters

Base of wheels, mm

2715

Track of forward (back) wheels, mm

  • Sedan, Station wagon
1505(1476)
  • Compartment
1493(1464)

Minimum diameter of a turn, m

10.76

Forward suspension bracket

Design

Independent, 3-lever, McPherson's racks with gas-filled shock-absorbers, the adaptive damping system which is automatically changing rigidity of racks shock-absorbers depending on roughness of the road and clearance - depending on speed. Stabilizer of cross stability. Aluminum and steel elements are applied

Back suspension bracket

Design

Independent 5-lever, with gas-filled shock-absorbers, the adaptive damping system. Stabilizer of cross stability. Aluminum and steel elements are applied

Steering

Design

Rack, with the hydraulic booster, sensitive to speed. A steering column - safety, telescopic, with function of shift when landing and adjustment of an inclination

Steering mechanism

with the circulating balls

Turns of a steering wheel

2.96 from an emphasis against the stop

Transfer number

15.5

Power steering liquid

1 l, MB-236.3 liquid (ATF D)

Hydraulic system of adjustment of clearance of a body

3.5 l, MB-244.0 oil

Measurement of clearance of a suspension bracket corresponds to a tilt angle of a power shaft to a horizontal

Clearance

It is measured during a hail., the method presented on an illustration

Forward suspension bracket

+6.9 ° ±1.5 °

Classic/Elegance/Avantgarde

+8 mm

Sports suspension bracket

- 7.5 mm

Maximum clearance

+37 mm

Back suspension bracket

+0.9 ° ±1 °

Classic/Elegance/Avantgarde

+20 mm (±10)

Sports suspension bracket

+4.2 mm (±10)

Maximum clearance

+42 mm (±10)

Angles of installation of wheels

Forward wheels

Convergence

0 °20 '±10' (2.29±1.14 mm)

Divergence of wheels at turn on 20 °

Classic/Elegance/Avantgarde

1 °34 '±30'

Classic/Elegance/Avantgarde

+8.6 ° -0 °16 '±20'

+8.3 ° -0 °17 '±20'

+8.0 ° -0 °19 '±20'

+7.7 ° -0 °20 '±20'

+7.4 ° -0 °22 '±20'

+7.1 ° -0 °23 '±20'

+6.9 ° -0 °24 '±20'

+6.5 ° -0 °24 '±20'

+6.2 ° -0 °26 '±20'

+5.9 ° -0 °27 '±20'

+5.6 ° -0 °28 '±20'

+5.3 ° -0 °30 '±20'

+5.0 ° -0 °31 '±20'

+4.7 ° -0 °33 '±20'

+4.4 ° -0 °34 '±20'

Sports suspension bracket

+5.9 ° -0 °28 '±20'

+5.6 ° -0 °30 '±20'

+5.3 ° -0 °31 '±20'

+5.0 ° -0 °32 '±20'

+4.7 ° -0 °33 '±20'

+4.4 ° -0 °34 '±20'

+4.1 ° -0 °35 '±20'

+3.8 ° -0 °36 '±20'

+3.5 ° -0 °37 '±20'

+3.2 ° -0 °37 '±20'

+2.9 ° -0 °38 '±20'

+2.6 ° -0 °38 '±20'

+2.3 ° -0 °39 '±20'

+2.0 ° -0 °39 '±20'

Maximum clearance

+13.4 ° +0 °20 '±20'

+13.1 ° +0 °17 '±20'

+12.8 ° +0 °14 '±20'

+12.5 ° +0 °12 '±20'

+12.2 ° +0 °10 '±20'

+11.9 ° +0 °7 '±20'

+11.6 ° +0 °5 '±20'

+11.3 ° +0 °2 '±20'

+11.0 ° +0 °0 '±20'

+10.7 ° -0 °2 '±20'

+10.4 ° -0 °4 '±20'

+10.1 ° -0 °7 '±20'

+9.8 ° -0 °8 '±20'

+9.5 ° -0 °10 '±20'

+9.2 ° -0 °12 '±20'

+8.9 ° -0 °14 '±20'

The maximum difference between the parties

0 °24'

The longitudinal inclination of an axis of turn of a wheel (is regulated)

Classic/Elegance/Avantgarde

10 °12 '±30'

Sports suspension bracket

10 °42 '±30'

Difference between the parties

0 °30'

Back wheels

The convergence of back wheels (is regulated)

0 °33 '±7' (3.78±0.8 mm)

Disorder depending on clearance of a back suspension bracket (is not regulated)

Classic/Elegance/Avantgarde

+1.5 ° -1 °16 '±30'

+1.8 ° -1 °12 '±30'

+2.1 ° -1 °09 '±30'

+2.4 ° -1 °05 '±30'

+2.6 ° -1 °04 '±30'

+3.0 ° -0 °59 '±30'

+3.3 ° -0 °56 '±30'

+3.6 ° -0 °52 '±30'

+3.9 ° -0 °49 '±30'

Sports suspension bracket

- 0.3 ° -1 °40 '±30'

+0.0 ° -1 °36 '±30'

+0.3 ° -1 °32 '±30'

+0.6 ° -1 °28 '±30'

+0.9 ° -1 °24 '±30'

+1.2 ° -1 °20 '±30'

+1.5 ° -1 °16 '±30'

+1.8 ° -1 °12 '±30'

Maximum clearance

+3.6 ° -0 °52 '±30'

+3.9 ° -0 °49 '±30'

+4.2 ° -0 °47 '±30'

+4.5 ° -0 °44 '±30'

+4.8 ° -0 °41 '±30'

+5.1 ° -0 °39 '±30'

+5.4 ° -0 °35 '±30'

+5.7 ° -0 °33 '±30'

+6.0 ° -0 °31 '±30'

+6.3 ° -0 °29 '±30'

Difference between the parties

0 °30'

Maximum angle of rotation

  • Wheel, internal to turn
44 °30'
  • Wheel, external to turn
34 °48'

Side play of a steering rack and gear wheel of the steering mechanism, mm

0.04 – 0.08

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.

SUSPENSION BRACKET OF FORWARD WHEELS

Nut of fastening of a rod of the shock-absorber from above

60

Nut of fastening of a rack of the shock-absorber to a rotary fist

200

Bolts of fastening of a rack of the shock-absorber to a rotary fist

110

Nut of an eccentric bolt

70

SUSPENSION BRACKET OF BACK WHEELS

Bars

70

Cross bar, nut of M10x1.5 (silver or blue)

30

Brake cable to the holder of a wheel

20

Nut of fastening of a nave to a power shaft

220

STEERING

Nuts of tips of steering drafts

50 Of Nanometer + 60 °

Lock-nuts of tips of steering drafts

60

Bolts of wheels

110