Contents Wiring diagrams Section: Accessories Control Systems All sections

Electrical System Equipment & Instructions - Basic Knowledge - 211 Chassis: Component Locations Mercedes-Benz E-class W211/S211

Accessories Control Systems 21 illustrations ~857 words

Auxiliary battery relay, location/task - GF54.10-P-4201T

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

Location

Identifying Fuse Assignment Of Front Prefuse Box - Rear. Scheme 11

Scheme 10: Identifying Additional Battery Relay Location
Auxiliary battery relay, locationThe auxiliary battery relay (K57/2) is mounted on the partition wall to the passenger compartment near the auxiliary battery (G1/7).
Auxiliary battery relay, taskThe auxiliary battery relay (K57/2) separates the battery (G1) from the auxiliary battery (G1/7). The auxiliary battery relay (K57/2) connects both batteries in parallel when required and to charge the auxiliary battery (G1/7).

Two-battery vehicle power supply, survey of system components, location/ task/design/function - GF54.10-P-9999TZ

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

Auxiliary battery relay, location/taskGF54.10-P-4201T
Battery control unit location/taskGF54.21-P-4121T
Two-battery vehicle power supply, contents, function descriptionGF54.10-P-0999TZ

Fuel pump relay, location/task/design/function - GF54.15-P-4105AM

MODEL 211, 219 with ENGINE 113.990

MODEL 215, 220 with ENGINE 113.991

MODEL 230 with ENGINE 113.992 /995

MODEL 463 with ENGINE 113.993

Identifying Instrument Cluster Operating Information - Shown As Of 1.6.05. Scheme 12

Scheme 35: Identifying Fuel Pump Relay
Fuel pump relay, locationModel 211, 219GF54.15-P-4105-01TA
Model 215, 220GF54.15-P-4105-01AM
Model 230GF54.15-P-4105-01RA
Model 463GF54.15-P-4105-01GM
Fuel pump relay, taskThe fuel pump relay actuates the fuel pump (M3) or the fuel pump control unit (N118).
Fuel pump relay, designThe fuel pump relay is a 4-pin plug-in relay.
Fuel pump relay, functionGF54.15-P-4105-02AM

Fuel pump relay, location - GF54.15-P-4105-01TA

Model 211, 219

MODEL 211.0, 219

Shown on model 211.0

The fuel pump relay is located in the luggage compartment, at the rear on the right wheelhouse.

Identifying Steering Wheel Selection Button. Scheme 13

Scheme 37: Identifying Fuel Pump Relay - Model 211.0

Type 211.2

Identifying Fuel Pump Relay - Type 211.2. Scheme 14

Scheme 14: Identifying Fuel Pump Relay - Type 211.2

The fuel pump relay is located in the luggage compartment, at the rear on the right wheelhouse.

Upper control panel control unit, location/task/design/function - GF54.21-P-4105T

Model 211.0 /6

Identifying Upper Control Panel Control Unit Location - Model 211.0 /6. Scheme 15

Scheme 15: Identifying Upper Control Panel Control Unit Location - Model 211.0 /6
Upper control panel control unit, locationThe upper control panel control unit (N72/1) is located below the audio unit in the central area of the dashboard.
Upper control panel control unit, taskGF54.21-P-4105-02T
Upper control panel control unit, designGF54.21-P-4105-03T
Upper control panel control unit, functionThe upper control panel control unit (N72/1) operates with its own dedicated microprocessor which scans switches, actuates appropriate semiconductor switches and exchanges data with the interior CAN.

Upper control panel control unit, location / task / design / function - GF54.21-P-4105TS

MODEL 211.2

Shown up to 31.5.06

Indicator Lamp Test And Engine Running Detection - Communication Diagram. Scheme 16

Scheme 44: Identifying Upper Control Panel Control Unit - Model 211.2
Upper control panel control unit LocationThe upper control panel control unit (N72/1) is installed in the center section of the dashboard.
Upper control panel control unit, taskGF54.21-P-4105-02TS
Upper control panel control unit, designUp to 31.5.06 without code (494) USA version without code (498) Japan version up to 30.6.06 with code (494) USA version with code (498) Japan versionGF54.21-P-4105-03TS
As of 1.6.06 without code (494) USA version without code (498) Japan version as of 1.7.06 with code (494) USA version with code (498) Japan versionGF54.21-P-4105-03TM
Upper control panel control unit, functionThe upper control panel control unit (N72/1) operates with its own microprocessor which reads in switches, processes signals and exchanges data with the Controller Area Network bus class B (interior) (CAN-B).

Driver-side SAM control unit with fuse and relay module, location/task/design - GF54.21-P-4109T

MODELS 211.0 /2 /6

Identifying Driver-Side SAM Control Unit With Fuse And Relay Module Location - Models 211.0 /2 /6. Scheme 17

Scheme 17: Identifying Driver-Side SAM Control Unit With Fuse And Relay Module Location - Models 211.0 /2 /6
Driver-side SAM control unit with fuse and relay module, locationThe driver-side SAM control unit with fuse and relay module (N10/1) is located in the engine compartment near the left hood hinge (looking towards front of vehicle).
Driver-side SAM control unit with fuse and relay module, taskGF54.21-P-4109-01T
Driver-side SAM control unit with fuse and relay module, designThe driver-side SAM control unit with fuse and relay module (N10/1) is contained in a sturdy plastic housing. Various fuses and relays are attached to the control unit on a supporting bracket.

Passenger-side SAM control module with fuse and relay module, location/task/design - GF54.21-P-4111T

MODELS 211.0 /2 /6

Battery Charge/Alternator Monitoring - Communication Diagram. Scheme 18

Scheme 47: Identifying SAM Control Module Fuse And Relay Module Location - Passenger-Side
Passenger-side SAM control module with fuse and relay module, locationThe passenger-side SAM control module (N10/11) is located in the right front footwell.
Passenger-side SAM control module with fuse and relay module, taskGF54.21-P-4111-01T
Passenger-side SAM control module with fuse and relay module, designThe front passenger SAM control unit (N10/11) is accommodated in a plastic housing and on a stable carrier plate.

Lower control panel control module, location / task / design - GF54.21-P-4116T

MODELS 211.0 /2 /6

location

Identifying Lower Control Panel Control Module Location. Scheme 19

Scheme 19: Identifying Lower Control Panel Control Module Location
Lower control panel control module, locationThe lower control panel control module (N72) is divided into groups of switches or buttons which are arranged on the center console around the gearshift lever or selector lever.
Lower control panel control module, taskGF54.21-P-4116-01T
Bottom control panel control unit designGF54.21-P-4116-02T

Battery control unit location/task - GF54.21-P-4121T

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

Identifying Battery Control Unit Location - Arrangement Illustrated. Scheme 20

Scheme 20: Identifying Battery Control Unit Location - Arrangement Illustrated

Arrangement illustrated on model 211.0

Battery control unit locationThe battery control unit (N82) is located in the spare tire well of the luggage compartment.
Battery control unit, taskGF54.21-P-4121-02T

Rain/light sensor location/task/function - GF54.21-P-4123Q

MODEL 209.3 /4, 211.0 /2, 215, 220 as of 1.9.02

Shown on model 209.3

Identifying Rain/Light Sensor - Shown On Model 209.3. Scheme 21

Scheme 21: Identifying Rain/Light Sensor - Shown On Model 209.3
Rain/light sensor locationThe rain/light sensor (B38/2) is stuck onto the inside of the windshield below the overhead control panel control module.
Rain/light sensor taskThe rain sensor (B38/2) measures the quantity of moisture on the windshield and controls the intermittent time of the wiper system. At the same time it also records the intensity of the daylight and through this controls the automatic functions of exterior lights and interior lights.
Rain sensor/light sensor, functionGF54.21-P-4123-04Q

Steering column module location/task - GF54.21-P-4125T

MODEL 211.0 /2 /6

Shown on Model 211.0

Identifying Steering Column Module Location - Model 211.0. Scheme 22

Scheme 22: Identifying Steering Column Module Location - Model 211.0
Steering column module, locationThe steering column module (N80) is located on the steering column.
Steering column module, taskGF54.21-P-4104-02T

Rear SAM control unit with fuse and relay module, location/task - GF54.21-P-4130T

MODEL 211.0 /6

Shown on model 211.0

Identifying Rear SAM Control Unit With Fuse And Relay Module Location - Model 211.0. Scheme 23

Scheme 23: Identifying Rear SAM Control Unit With Fuse And Relay Module Location - Model 211.0
Rear SAM control unit with fuse and relay module, locationThe rear SAM control unit with fuse and relay module (N10/2) is installed in the trunk at the inner wheel house on the left side in the direction of travel.
Rear SAM control unit with fuse and relay module, taskGF54.21-P-4112-01T

Rear SAM control unit with fuse and relay module, location/task - GF54.21-P-4130TA

MODEL 211.2

Identifying Rear SAM Control Unit With Fuse And Relay Module Location - Model 211.2. Scheme 24

Scheme 24: Identifying Rear SAM Control Unit With Fuse And Relay Module Location - Model 211.2
Rear SAM control unit with fuse and relay module, locationThe rear SAM control unit with fuse and relay module (N10/2) is installed in the luggage compartment on the inner wheelhouse on the left viewed in the direction of travel.
Rear SAM control unit with fuse and relay module, taskGF54.21-P-4112-01TJ

MODEL 211.0 /2 /6

Identifying "CHECK ENGINE" MIL Component Description. Scheme 25

Scheme 56: Identifying Data Link Connector Location
Data link connector, locationThe data link connector (X11/4) is located in the driver-side footwell.
Data link connector, taskThe 16-pin data link connector (X11/4) connects the STAR DIAGNOSIS and the K-lines of the control units in the vehicle.
Data link connector, designGF54.22-P-2100-02T
Data link connector, functionThe data link connector (X11/4) bundles the K-lines of the control units in the vehicle into a fixed connector. The K-lines must be active for outputting faults so that the fault codes of the control units can be read out.

Instrument cluster (IC), location / task - GF54.30-P-3039T

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

Location

Identifying Instrument Cluster Location. Scheme 26

Scheme 26: Identifying Instrument Cluster Location
Instrument cluster (IC), locationThe instrument cluster (A1) is located in the instrument panel.
Instrument cluster (IC), taskGF54.30-P-3039-02T

"CHECK ENGINE" MIL, location/task/function - GF54.30-P-4101AM

MODEL 211, 219 with ENGINE 113.990 with CODE (494) USA version

MODEL 215, 220 with ENGINE 113.991 with CODE (494) USA version

MODEL 230 with ENGINES 113.992 /995 with CODE (494) USA version

MODEL 463 with ENGINE 113.993 with CODE (491) USA version

Shown on MODEL 211, 219

Identifying Check Engine Malfunction Indicator Lamp - Shown On Model 211, 219. Scheme 27

Scheme 27: Identifying Check Engine Malfunction Indicator Lamp - Shown On Model 211, 219
"CHECK ENGINE" malfunction indicator lamp, locationThe indicator lamp is located in the instrument cluster (A1).
"CHECK ENGINE" malfunction indicator lamp, taskThe indicator lamp signals faults relevant to exhaust emissions to the driver.
"CHECK ENGINE" malfunction indicator lamp, functionThe indicator lamp is actuated by the ME-SFI [ME] control unit (N3/10) at the ground end when the engine is started. If there is no fault, the motor electronics control unit interrupts the actuation and the indicator lamp goes out. To check the bulb function it lights up for approx. 1 second when the ignition is switched "ON".

Survey of system components, instrument cluster (IC), location / task / design / function - GF54.30-P-9997TZ

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

Instrument cluster (IC), location / taskGF54.30-P-3039T
Table of contents for function description of instrument cluster (IC)GF54.30-P-0997TZ

PTS control unit, location / task - GF54.65-P-4100T

MODEL 211.0 /2 with CODE (220a) Parktronic system (PTS)

Shown on model 211.0

N62 PTS control unit

Identifying PTS Control Unit, Location - Shown On Model 211.0. Scheme 28

Scheme 28: Identifying PTS Control Unit, Location - Shown On Model 211.0
PTS control unit, locationThe Parktronic control unit(N62) is mounted in the trunk behind the left paneling.
PTS control unit, taskActuation of the sensors Evaluation of echo journey times Bidirectional data transfer from and to the PTS warning displays System checks Data exchange with CAN class B

Sensors, location/task/function - GF54.65-P-4102T

MODEL 209.3 /4, 211.0 /2 with CODE (220a) Parktronic system (PTS)

Scheme 29

Scheme 105: Identifying Parktronic System (PTS) Sensors, Location

Shown on model 211.0

Sensors, locationThe front bumper PTS sensor unit (A42) and rear bumper PTS sensor unit (A43) are located in the respective bumper.
Sensors, taskThe sensors transmit ultrasonic waves and detect echoes from existing obstacles.
Sensors, functionThe ultrasonic sensors function based on the echo sounding principle and operate as transmitters and receivers.

Warning display, location / task / design / function - GF54.65-P-4104T

MODEL 209.3 /4, 211.0 /2 with CODE (220a) Parktronic System (PTS)

center instrument panel PTS warning indicator

Shown on model 211.0

Scheme 30

Scheme 106: Identifying PTS Warning Display Location
Warning display, locationThe center instrument panel PTS warning indicator (A44/4) is located in the center of the instrument panel.
Warning display, taskDisplays of the distance to an obstacle in the front monitoring range. When the minimum distance is not reached, output of an acoustic signal.
Warning display, designThe center instrument panel PTS warning indicator (A44/4) consists of the LCD bar display (model 209) or the LEDs (model 211), the frame, the sound source and microprocessor which evaluates and converts the data telegrams of the Parktronic control unit.
Warning display, functionModels 211.0/2GF54.65-P-4104-01T
Models 209.3/4GF54.65-P-4104-01Q

Warning display, location / task / design / function - GF54.65-P-4104TA

MODEL 209.3 /4, 211.0 /2 with CODE (220a) Parktronic System (PTS)

Rear PTS warning indicator

Shown on model 211.0

Scheme 31

Scheme 107: Identifying Rear PTS Warning Indicator Location
Warning display, locationThe PTS warning display, rear (A44/3) is located in the rear area of the headliner.
Warning display, taskTo display the distance to an obstacle in the rear monitoring range. When the minimum distance is not reached, output of an acoustic signal.
Warning display, designThe rear PTS warning indicator (A44/3) consists of the LCD bar display (model 209) or the LEDs (model 211), the sound source and microprocessor which evaluates and converts the data telegrams of the Parktronic control unit.
Warning display, functionModels 211.0/2GF54.65-P-4104-01T
Models 209.3/4GF54.65-P-4104-01Q

Survey of system components, Parktronic system (PTS), location / task / design / function - GF54.65-P-9999T

MODEL 211.0 /2 with CODE (220a) Parktronic system (PTS)

PTS control unit, location / taskGF54.65-P-4100T
Sensors, location/task/functionGF54.65-P-4102T
Warning display, location / task / design / functionPTS warning display, rearGF54.65-P-4104TA
PTS warning display, center of instrument panelGF54.65-P-4104T
Contents, function description, Parktronic system (PTS)GF54.65-P-0999T