Mercedes S-Class W-140

1991-1999 of release

Repair and operation of the car



Mercedes S-Class
+ Mercedes-Benz cars of the class S (W-140)
+ Operation manual
+ Routine maintenance
+ Engine
+ Cooling systems, heating
+ Power supply system and release
+ Engine electric equipment
+ Gear shifting box
+ Automatic transmission
+ Coupling
+ Brake system
- Suspension bracket and steering
   Security measures
   Angles of installation of wheels of the car, clearance
   + Forward suspension bracket
   + Back suspension bracket
   + Steering
+ Body
+ Onboard electric equipment






Suspension bracket and steering

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

Standard models
3040
Models with the extended base
3140

Track of wheels, mm

Lobbies
1603
Back
1576

Minimum diameter of a turn, m

Standard models
Except 4MATIC
11.7
4MATIC
11.8
Models with the extended base
Except 4MATIC
12.1
4MATIC
12.2

Forward suspension bracket

Design Independent, 4-lever, with hydraulic shock-absorbers, the adaptive damping system 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 multilever, with hydraulic shock-absorbers, the adaptive damping system. Stabilizer of cross stability. Aluminum and steel elements are applied

Steering

Design

Drive Rack transfer with sensitive
to speed hydraulic booster.
Steering column Safety, telescopic, with function of shift when landing and adjustment of an inclination
Steering mechanism With the circulating balls
Quantity of turns of a steering wheel
at rotation from an emphasis against the stop 2.8
Volume of GUR liquid, l
1

Angles of installation of wheels (model 1993-1998 of)

Convergence (at measurement it is necessary to move apart wheels in front with effort of 90-110 Nanometers, use the tool Beissbarth No. P872, Matra No. 002 548 199 074, Bosch No. 2 688 190 000

Forward wheels

Convergence

At the rectilinear provision of wheels, mm//hail
4.14±1.18//0 °35 '±10'
At turn of a wheel, internal to turn, on 20 °
0 °55'

Disorder (at a zero convergence)

Model 140 till 19.92
- 0 °20' (± 10´)
Model 140 from 01.93
- 0 °20' (± 10´)
Difference between the parties
0 °20'
Longitudinal inclination of an axis of turn of wheels
9 °42 '±30'
At a zero convergence
Model 140 till 19.92
10 °10 '±30'
Model 140 from 01.93
10 °20 '±30'
Model 140 with the increased clearance
9 °55 '±30'
At the turned wheels
Model 140 till 19.92
9 °30 '±30'
Model 140 from 01.93
9 °40 '±30'
Model 140 with the increased clearance
9 °20 '±30'
Difference between the parties
0 °30'
Maximum angle of rotation
internal wheel
43 °
Maximum angle of rotation of an external wheel
33 °5'

Back wheels

Convergence, mm//hail
4.14 (+1.18', - 0.50')//0 °35' (+ 10', - 5')

Measurement of disorder of back wheels
Back wheels
0 °35' (+10', - 5')

Disorder of back wheels depending on clearance

The clearance of a suspension bracket corresponds to a lever tilt angle to a horizontal

X1-X2= +40 mm (-0 °15 '±30')
X1-X2= +30 mm (-0 °27 '±30')
X1-X2= +20 mm (-0 °40 '±30')
X1-X2= +10 mm (-0 °50 '±30')
X1-X2=0 mm (-1 ° ±30')
Mm X1-X2=-10 (-1 °15 '±30')
Mm X1-X2=-20 (-1 °30 '±30')
Mm X1-X2=-30 (-1 °48 '±30')
Mm X1-X2=-40 (-2 ° ±30')
Mm X1-X2=-50 (-2 °25 '±30')
Mm X1-X2=-60 (-2 °45 '±30')

Efforts of tightening of threaded connections, Nanometer

Forward suspension bracket

Bolt of fastening of a support of the engine
to a forward suspension bracket
25
Nut of fastening of an arm of fastening
the stabilizer to a forward suspension bracket
20
Bolt of fastening of a nut for adjustment of a gap
8
Nut of fastening of connecting draft
the stabilizer to a rotary fist
40-
Nut of fastening of the top lever
to a rotary fist
125
Bolt of fastening of a back protective guard
to a rotary fist
22
Nut of fastening of the shock-absorber from above
40
Nut of fastening of connecting draft
to the stabilizer
70 - 80
Nut of fastening of the shock-absorber
to the lower lever
100
Nut of a cam bolt of adjustment
angles of installation of forward wheels
180
Nuts of tips of steering drafts
S280, S320, S300 TDI
50
S420, S500, S600
55

Back suspension bracket

Nut of fastening of connecting draft
to the stabilizer
40
Nut of fastening of a rack of adjustment
wheel disorder to M12 wheel support
70
Nut of fastening of tension thirst for a wheel support
70
Nut of fastening of a flange to a power shaft
320
Nut of fastening of the lower lever to a stretcher
70
Nut of fastening of the shock-absorber to the lower lever
55
Drain stopper on the regulator
clearance of a suspension bracket of M10
14
The forcing pipeline to the damping valve
M16x1.5
30
M18x1.5
44
Bolt of fastening of the left damping valve
to M8 arm
24
Nut of fastening of the right damping valve
to M8 arm
14
Bolts of fastening of the regulator of clearance
back suspension bracket
10
Bolts of fastening of connecting draft
10
Cam bolt of adjustment of corners
installations of back wheels
70

Steering

Bolt of fastenings of a steering shaft to a shaft of the steering mechanism
110
Returnable pipeline
40
The forcing pipeline
40
Bolt of fastening of the steering mechanism
to a forward beam
50 + 60 - 90 °
Bolt of fastening of a pulley of the pump
30
The forcing pipeline to the pump M16x15
50
The forcing pipeline to the "Tandem" pump
25
Bolt of fastening of the pump to a support on the block of cylinders
25
Fastening of the lower steering shaft to top
110

Bolts of fastening of wheels

S280, S320, S420, S500, S600
150
S300 TDI
110