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Seats, Restraint Systems - Basic Knowledge - 211 Chassis: Component Locations Mercedes-Benz E-class W211/S211

Seats 14 illustrations ~508 words

Dynamic seat control unit location/task - GF91.25-P-2105T

MODELS 211.0 /2 /6 with CODE (433) Left dynamic seat, incl. multicontour seat with CODE (434) Right dynamic seat, incl. multicontour seat

Identifying Passenger Front Seat Adjustment Control Unit. Scheme 24

Scheme 10: Identifying Dynamic Seat Control Unit
Dynamic seat control unit, locationThe left front dynamic seat control unit (N32/19) and the right front dynamic seat control unit (N32/22) are installed in the backrest of the particular front seat.
Dynamic seat control unit, taskGF91.25-P-2105-01T

Dynamic seat switch location/task - GF91.25-P-2110T

MODELS 211.0 /2 /6 with CODE (433) Left dynamic seat, incl. multicontour seat with CODE (434) Right dynamic seat, incl. multicontour seat

Shown on left front seat

Identifying Electric Seat Ventilation Components. Scheme 25

Scheme 11: Identifying Left Front Multicontour Backrest Switch Group And Left Front DYNAMIC Switch
Dynamic seat switch, locationThe left front DYNAMIC switch (S109/1) is located below the front left multicontour backrest switch group (S109) in the front portion of the front seat.
Dynamic seat switch, taskThe left front DYNAMIC switch (S109/1) is used to transmit the adjustment requests to the left front dynamic seat control unit (N32/19).

Pneumatic pump for dynamic seat control, location/task - GF91.25-P-2115T

MODEL 211.0 /2 /6 with CODE (433) Left dynamic seat, incl. multicontour seat with CODE (434) Right dynamic seat, incl. multicontour seat

Shown on model 211.0

In the event of a thermal overload of the pump of > 130 degrees Celsius, it will switch off automatically to prevent further damage

Heated Seats Function Diagram (1 Of 2). Scheme 26

Scheme 12: Identifying Pneumatic Pump For Dynamic Seat Control
Pneumatic pump for dynamic seat control, locationThe pneumatic pump for dynamic seat control (M40/1) is located at the left rear in the luggage compartment.
Pneumatic pump for dynamic seat control, taskThe pneumatic pump for dynamic seat control (M40/1) generates the compressed air required to inflate the air cushions.

Heated seats (SIH) location of components - GF91.30-P-0003-02T

Shown on model 211.0

Identifying Heated Seats Components Location. Scheme 27

Scheme 27: Identifying Heated Seats Components Location

Heated seats/seat ventilation switch location/task - GF91.30-P-3004T

MODELS 211.0 /2 /6 with CODE (873) Electrically heated left and right front seats with CODE (401a) Front luxury seat, incl. heated seat and seat ventilation

Identifying Driver/Front Passenger Belt Force Limiter. Scheme 28

Scheme 28: Identifying Upper Control Panel Control Unit, Front HS Switch And Front Seat Ventilation Switch
Seat heating/seat ventilation switches, locationThe left front heated seats switch (N72/1s10), right front heated seats switch (N72/1s11), left front seat ventilation switch (N72/1s13) and right front seat ventilation switch (N72/1s14) are located on the upper control panel control unit (N72/1) in the center console.
Seat heating/seat ventilation switches, taskGF91.30-P-3004-02T

Heated seats/seat ventilation control unit, location/task - GF91.30-P-3005T

MODEL 211.0 /2 /6 up to 31.5.05 with CODE (401) Front deluxe seats, incl. seat heating and seat ventilation with CODE (872) Electrically heated left and right rear seats with CODE (873) Heated left and right front seats

MODEL 211.0 /2 /6 as of 1.6.05 with CODE (401) Front deluxe seats, incl. seat heating and seat ventilation with CODE (872) Electrically heated left and right rear seats

MODEL 211.0 /2 /6 as of 1.6.04 with CODE (443) Steering wheel heater

Shown on Model 211.0

Identifying Driver/Front Passenger Seat Belt Buckle Restraint System Switch. Scheme 29

Scheme 29: Identifying HS And Seat Ventilation Control Unit
Heated seats/seat ventilation control unit, locationThe HS [SIH] and seat ventilation control unit (N25/7) is located on the cross member under the driver seat.
Heated seats/seat ventilation control unit, taskGF91.30-P-3005-01T

Rear heated seat switch, location/task - GF91.30-P-3006T

MODELS 211.0 /2 /6 with CODE (872) Electrically heated left and right rear seats

Shown on model 211.0

Identifying Rear Power Windows/HS Switch Group. Scheme 30

Scheme 30: Identifying Rear Power Windows/HS Switch Group
Seat heating/seat ventilation switches, locationThe power window/left rear heated seats switch group (S51/3) and power window/right rear heated seats switch group (S51/4) are located in the side panelings of the rear doors.
Seat heating/seat ventilation switches, taskUsing the power window/left rear heated seats switch group (S51/3) or power window/right rear heated seats switch group (S51/4), the seat heating for the rear seats can be switched on and off in stages. The respective heat stage is displayed via the three function LEDs.

Front seat ventilation motors, location/task/design/function - GF91.30-P-3100T

MODELS 211.0 /2 /6 with CODE (401a) Front luxury seat, incl. heated seat and seat ventilation

Scheme 31

Scheme 31: Identifying Front Seat Cushion Ventilation And Front Seat Backrest Ventilation Motor Group
Front seat ventilation motors, locationThe left front (M18/9) and right front seat cushion ventilation motor group (M18/11) are located in the seat cushion (1). The left front seat backrest ventilation motor group (M18/10) and right seat backrest ventilation motor group (M18/12) are located in the seat backrest (2).
Front seat ventilation motors, taskActive ventilation of seat cushion and backrest.
Front seat ventilation motors, designThe left front seat cushion ventilation motor group (M18/9) and right seat cushion ventilation motor group (M18/11) each consist of three fan motors. The left front seat backrest ventilation motor group (M18/10) and right seat backrest ventilation motor group (M18/12) each consist of two fan motors, which generate an air flow.
Front seat ventilation motors, functionThe motors in each motor group are connected in parallel. Actuation ensues over the HS [SIH] and seat ventilation control unit (N25/7). The control voltage on the control unit output and thus the speed of each motor group is regulated by means of a blower regulator.

Seat ventilation blower regulator, location/task/design/function - GF91.30-P-3102T

MODELS 211.0 /2 /6 with CODE (401a) Front luxury seat, incl. heated seat and seat ventilation

Illustrated on the right front seat

Identifying Front Seat Ventilation Blower Regulator. Scheme 32

Scheme 32: Identifying Front Seat Ventilation Blower Regulator
Seat ventilation blower regulator, locationThe left front seat ventilation blower regulator (N29/5) and right front seat ventilation blower regulator (N29/6) are mounted into the backrest of the driver and front passenger seat.
Seat ventilation blower regulator, purposeThe left front seat ventilation blower regulator (N29/5) and right front seat ventilation blower regulator (N29/6) control the speed of the ventilation motors depending on the control voltage of the HS [SIH] and seat ventilation control unit (N25/7).
Seat ventilation blower regulator, designThe left front seat ventilation blower regulator (N29/5) and right front seat ventilation blower regulator (N29/6) consist of an electronic circuit in a plastic housing with eight terminals.
Seat ventilation blower regulator, functionThe integrated electronic circuit in the left front seat ventilation blower regulator (N29/5) and right seat ventilation blower regulator (N29/6) can be used to regulate the voltage supply of the seat ventilation motors, in accordance with the actuation voltage of the HS [SIH] and seat ventilation control unit (N25/7).

Front emergency tensioning retractor, location/task/design/function - GF91.40-P-4000T

MODEL 211.0 /2 up to 31.5.06 except CODE (494) USA version except CODE (498) Japan version

MODEL 211.0 /2 up to 30.6.06 with CODE (494) USA version with CODE (498) Japan version

Shown on model 211.0

Scheme 33

Scheme 33: Identifying Driver ETR Squib And Front Passenger GUS Squib
Front emergency belt tensioner, locationThe front emergency tensioning retractor with the driver emergency tensioning retractor squib (R12/1) and the front passenger emergency tensioning retractor squib (R12/2) are each located at the bottom of the B-pillar behind the plastic trim.
Front emergency belt tensioner - taskThe emergency tensioning retractor takes up the slack in the seat belt in the event of a collision (frontal or rear end collision) and prevents the seat belt's film reel effect. The close-fitting seat belt means that vehicle occupants are exposed to the deceleration forces acting on the body at an earlier stage.
Front emergency belt tensioner - designGF91.40-P-4000-02T
Front emergency tensioning retractor, functionGF91.40-P-4000-03T

Supplemental restraint system (SRS), location of components - GF91.60-P-0002-01T

Shown on model 211.0

Scheme 34

Scheme 37: Identifying Supplemental Restraint System Components Location

Supplemental Restraint System Components Networking. Scheme 35

Scheme 35: Supplemental Restraint System Components Networking

Supplemental Restraint System Block Diagram. Scheme 36

Scheme 36: Supplemental Restraint System Block Diagram

Supplemental restraint systems control unit, location/task/design - GF91.60-P-4018T

MODELS 211.0/ 2

Identifying Supplemental Restraint Systems Control Unit. Scheme 37

Scheme 37: Identifying Supplemental Restraint Systems Control Unit
Restraint systems control unit positionThe restraint systems control unit (N2/7) is located on the center tunnel in the direction of travel below the lower control panel control unit.
Restraint systems control unit - taskGF91.60-P-4018-01T
Restraint systems control unit designThe electronics of the restraint systems control unit (N2/7) are accommodated in an aluminum housing.