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Automatic Transmission -- Basic Knowledge: Component Locations Mercedes-Benz E-class W212/S212/C207/A207

Automatic Trans 28 illustrations ~853 words

Automatic transmission (AT), location of components, floor shift - GF27.10-P-0001-04NT

Transmission 722.9 in model 211, 219, except code (428) Steering wheel shift buttons

Model 463.303/340/341

Scheme 158

Scheme 158: Automatic transmission (AT), location of components, floor shift - GF27.10-P-0001-04NT

Automatic transmission (AT), location of components, floor shift - GF27.10-P-0001-04NTL

Transmission 722.9 in model 211, 219 with code (428a) steering wheel shift buttons

Scheme 159

Scheme 159: Automatic transmission (AT), location of components, floor shift - GF27.10-P-0001-04NTL

Automatic transmission (AT), location of mechanical parts - GF27.10-P-0001-07N

Transmission 722.9 in model 171.4, 203, 209, 211, 215, 219, 220, 230, 463.303/340/341

Scheme 160

Scheme 160: Automatic transmission (AT), location of mechanical parts - GF27.10-P-0001-07N

Automatic transmission (AT), location of electric/electronic components - GF27.10-P-0001-08N

Transmission 722.9 in model 171.4, 203, 209, 211, 215, 219, 220, 230, 463.303/340/341

Scheme 161

Scheme 161: Automatic transmission (AT), location of electric/electronic components - GF27.10-P-0001-08N

Automatic transmission (AT), location of hydraulic components - GF27.10-P-0001-09N

Transmission 722.9 in model 171.4, 203, 209, 211, 215, 219, 220, 230, 463.303/340/341

Valve housing

Scheme 162

Scheme 162: Automatic transmission (AT), location of hydraulic components - GF27.10-P-0001-09N

Valve body

Scheme 163

Scheme 163

Parking lock, location/task/design/function - GF27.10-P-5100N

TRANSMISSION 722.9 in MODEL 171.4, 203, 230 up to Model Year 8

TRANSMISSION 722.9 in MODEL 209, 211, 215, 219, 220

TRANSMISSION 722.9 in MODEL 463.303/340/341

Scheme 164

Scheme 164: Parking lock, location/task/design/function - GF27.10-P-5100N
Park pawl, locationThe park pawl gear (4) and park pawl mechanism (4a) are located in the rear area of the transmission housing.
Park pawl, taskSecures the vehicle mechanically to prevent it from rolling in addition to the parking brake.
Park pawl, designGF27.10-P-5100-03N
Park pawl, functionGF27.10-P-5100-02N

Location/task/design/function of oil pump - GF27.10-P-5103N

TRANSMISSION 722.9 in MODEL 171.4, 203, 230 up to Model Year 8

TRANSMISSION 722.9 in MODEL 209, 211, 215, 219, 220

TRANSMISSION 722.9 in MODEL 463.303/340/341

Scheme 165

Scheme 165: Location/task/design/function of oil pump - GF27.10-P-5103N
Oil pump, locationThe oil pump (crescent-type pump) (6) is installed in the torque converter housing behind the torque converter and is driven by the drive flange of the torque converter.
Oil pump, taskTo produce the oil pressure required for the hydraulic sequences
Oil pump, designAn external gear (6a) which is mounted eccentrically in the pump housing in located on the internal gear (6b) which is connected to the drive flange (6b). The crescent (6c) drives the external gear (6a).
Oil pump, functionWhen the engine is running oil is delivered through the suction gallery (6e) along the top and bottom side of the crescent (6c) to the pressure chamber (6d) of the housing. The meshing of the teeth prevents oil from flowing from the pressure side to the suction side.

Float, location/function - GF27.10-P-5107N

TRANSMISSION 722.9 in MODEL 171.4, 203, 230 up to Model Year 8

TRANSMISSION 722.9 in MODEL 209, 211, 215, 219, 220

TRANSMISSION 722.9 in MODEL 463.303/340/341

Scheme 166

Scheme 166: Float, location/function - GF27.10-P-5107N
Float, locationFloat 1 (31) and float 2 (32) are accommodated in the electric control unit (VGS) (Y3/8).
Float, functionAs the oil level rises, float 1 (31) and float 2 (32) seal the openings between the oil chamber and the gear set chamber.

Kickdown simulator, location/task - GF27.10-P-5108N

TRANSMISSION 722.9 in MODEL 171.4, 203, 230 up to Model Year 8

TRANSMISSION 722.9 in MODEL 209, 211, 215, 219, 220

TRANSMISSION 722.9 in MODEL 463.303/340/341

Illustrated on model 230

Scheme 167

Scheme 167: Kickdown simulator, location/task - GF27.10-P-5108N
Kick-down simulator, locationThe kick-down simulator (100) is located in the footwell, installed in the electronic accelerator.
Kick-down simulator, taskThe kick-down simulator (100) enables the driver to detect the use of the kick-down function with his foot.

VGS control unit, location/task - GF27.19-P-4013N

TRANSMISSION 722.9 in MODEL 171.4, 203, 230 up to Model Year 8

TRANSMISSION 722.9 in MODEL 209, 211, 215, 219, 220

TRANSMISSION 722.9 in MODEL 463.303/340/341

Scheme 168

Scheme 168: VGS control unit, location/task - GF27.19-P-4013N
VGS control unit, locationThe fully integrated transmission control (VGS) control unit (Y3/8n4) is integrated into the electric controller unit (VGS) (Y3/8).
VGS [fully integrated transmission control], taskModel 171.4 (except model 171.473/44) except code (428) Steering wheel shift buttonsGF27.19-P-4013-02NK
Model 171.4 with code (428) Steering wheel shift buttons Model 171.473GF27.19-P-4013-02NKL
Model 203 except code (428) Steering wheel shift buttonsGF27.19-P-4013-02NP
Model 203 with code (428) Steering wheel shift buttonsGF27.19-P-4013-02NPL
Model 209 except code (428) Steering wheel shift buttonsGF27.19-P-4013-02NQ
Model 209 with code (428) Steering wheel shift buttonsGF27.19-P-4013-02NQL
Model 211, except code (428) Steering wheel shift buttons 463.303/340/341GF27.19-P-4013-02NT
Model 211 with code (428) Steering wheel shift buttonsGF27.19-P-4013-02NTL
Model 219 except code (428) Steering wheel shift buttonsGF27.19-P-4013-02TX
Model 219 with code (428) Steering wheel shift buttonsGF27.19-P-4013-02TXL
Model 215, 220GF27.19-P-4013-02N
Model 230 except code (428) Steering wheel shift buttonsGF27.19-P-4013-02NR
Model 230 with code (428) Steering wheel shift buttonsGF27.19-P-4013-02NRL

Transmission oil temperature sensor, location/task/design - GF27.19-P-4014N

TRANSMISSION 722.9 in MODEL 171.4, 203, 230 up to Model Year 8

TRANSMISSION 722.9 in MODEL 209, 211, 215, 219, 220

TRANSMISSION 722.9 in MODEL 463.303/340/341

Scheme 169

Scheme 169: Transmission oil temperature sensor, location/task/design - GF27.19-P-4014N
Transmission oil temperature sensor, locationThe transmission oil temperature sensor (VGS) (Y3/8s2) is integrated in the fully integrated transmission control (VGS) control unit (Y3/8n4).
Transmission oil temperature sensor, taskThe transmission oil temperature sensor (VGS) (Y3/8s2) detects the transmission oil temperature and passes this on as an input parameter to the fully integrated transmission control (VGS) control unit (Y3/8n4).
Transmission oil temperature sensor, designTemperature-dependent resistor

Electric control unit, location/task/design/function - GF27.19-P-5104N

TRANSMISSION 722.9 in MODEL 171.4, 203, 230 up to Model Year 8

TRANSMISSION 722.9 in MODEL 209, 211, 215, 219, 220

TRANSMISSION 722.9 in MODEL 463.303/340/341

Locations

Scheme 170

Scheme 170: Electric control unit, location/task/design/function - GF27.19-P-5104N
Electric control unit, locationThe electric control unit (VGS) (Y3/8), valve body (21b), intermediate panel (21c) and valve body (21d) are connected to each other by bolts and are mounted under the transmission housing.
Electric control unit, designRecording various input signals and converting control unit information into hydraulic functions
Electric control unit, designGF27.19-P-5104-01N
Electric control unit, functionGF27.19-P-5104-02N

Control solenoid valve, location/task/design/function - GF27.19-P-5111N

TRANSMISSION 722.9 in MODEL 171.4, 203, 230 up to Model Year 8

TRANSMISSION 722.9 in MODEL 209, 211, 215, 219, 220

TRANSMISSION 722.9 in MODEL 463.303/340/341

Scheme 171

Scheme 171: Control solenoid valve, location/task/design/function - GF27.19-P-5111N
Control solenoid valve, locationThe control solenoid valves are mounted on the electric control unit (VGS) (Y3/8).
Control solenoid valve, taskWorking pressure control solenoid valveGF27.19-P-5111-01A
Clutch control solenoid valve K1GF27.19-P-5111-01B
Clutch control solenoid valve K2GF27.19-P-5111-01C
Clutch control solenoid valve K3GF27.19-P-5111-01D
Brake control solenoid valve B1GF27.19-P-5111-01E
Brake control solenoid valve B2GF27.19-P-5111-01F
Brake control solenoid valve B3GF27.19-P-5111-01G
Torque converter lockup clutch control solenoid valveGF27.19-P-5111-01H
Control solenoid valve, designWith the control solenoid valves used the proportional solenoids convert the electric signals of the fully integrated transmission control (VGS) control unit (Y3/8n4). The float needles can also be moved into intermediate positions as a result.
Control solenoid valve, functionThe control solenoid valves assign a proportional pressure to a current regulated by the fully integrated transmission control (VGS) control unit (Y3/8n4).

Speed sensor, location/task/function - GF27.19-P-5127N

TRANSMISSION 722.9 in MODEL 171.4, 203, 230 up to Model Year 8

TRANSMISSION 722.9 in MODEL 209, 211, 215, 219, 220

TRANSMISSION 722.9 in MODEL 463.303/340/341

Scheme 172

Scheme 172: Speed sensor, location/task/function - GF27.19-P-5127N
Speed sensor, locationThe turbine speed sensor (VGS) (Y3/8n1), the internal speed sensor (VGS) (Y3/8n2) and output speed sensor (VGS) (Y3/8n3) are permanently connected to the electric control unit (VGS) (Y3/8) and cannot be replaced individually.
Speed sensor, taskTurbine speed sensorGF27.19-P-5127-02N
Internal RPM sensorGF27.19-P-5127-02P
Output speed sensorGF27.19-P-5127-02O
Speed sensor, functionTurbine speed sensorGF27.19-P-5127-04N
Internal RPM sensorGF27.19-P-5127-04P
Output speed sensorGF27.19-P-5127-04O

Steering wheel gear shifter, location/task/function - GF27.19-P-5137NKB

TRANSMISSION 722.9 in MODEL 171.4, 203, 230 as of 1.6.06 with CODE (428) Steering wheel shift buttons up to Model Year 8

TRANSMISSION 722.9 in MODEL 209, 211, 219 as of 1.6.06 with CODE (428) Steering wheel shift buttons

Shown on model 211

Scheme 173

Scheme 173: Steering wheel gear shifter, location/task/function - GF27.19-P-5137NKB
Steering wheel gear shifter, locationThe steering wheel gear shifter MINUS (S110/1) is located on the left, the steering wheel gear shifter PLUS (S111/1) is located on the right on the rear of the multifunction steering wheel (MFL).
Steering wheel gear shifter, taskShifting range preselection Shifting into a gear from which the vehicle can be favorably accelerated or decelerated. Direct shifting of all forward gears
Steering wheel gear shifter, functionGF27.19-P-5137-04NKB

Steering wheel gear shifter, location/task/function - GF27.19-P-5137NT

TRANSMISSION 722.9 in MODEL 211, 219 up to 31.5.06 with CODE (428) Steering wheel shift buttons

Shown on model 211

Scheme 174

Scheme 174: Steering wheel gear shifter, location/task/function - GF27.19-P-5137NT
Steering wheel gear shifter, locationThe left steering wheel gear shifter (S110/2) is located on the left, the right steering wheel gear shifter (S111/2) is located on the right on the rear of the multifunction steering wheel (MFL).
Steering wheel gear shifter, taskShifting range preselection Shifting into a gear from which the vehicle can be favorably accelerated or decelerated. Direct shifting of all forward gears
Steering wheel gear shifter, functionGF27.19-P-5137-04NT

Electronic selector lever module control unit, location/task - GF27.19-P-5140NT

TRANSMISSION 722.9 in MODELS 211, 219

Shown on model 211.0

Scheme 175

Scheme 175: Electronic selector lever module control unit, location/task - GF27.19-P-5140NT
Control unit for electronic selector lever module, locationThe control unit for the electronic selector lever module (N15/5) is located in the center console of the vehicle.
Control unit for electronic selector lever module, taskExcept code (428a) steering wheel shift buttonsGF27.19-P-5138-02NT
With code (428a) steering wheel shift buttonsGF27.19-P-5138-02NTL

Selection range sensor, location/task - GF27.19-P-5142N

TRANSMISSION 722.9 in MODEL 171.4, 203, 230 up to Model Year 8

TRANSMISSION 722.9 in MODEL 209, 211, 215, 219, 220

TRANSMISSION 722.9 in MODEL 463.303/340/341

Scheme 176

Scheme 176: Selection range sensor, location/task - GF27.19-P-5142N
Selection range sensor, locationThe selection range sensor (VGS) (Y3/8s1) is integrated in the electric control unit (VGS) (Y3/8).
Selection range sensor, taskThe task of the selection range sensor (VGS) (Y3/8s1) is to detect the selection ranges "P", "R", "N", "D" and the intermediate position.

Transmission housing vent, location/task - GF27.40-P-2007N

TRANSMISSION 722.9 in MODEL 171.4, 203, 230 up to Model Year 8

TRANSMISSION 722.9 in MODEL 209, 211, 215, 219, 220

TRANSMISSION 722.9 in MODEL 463.303/340/341

Scheme 177

Scheme 177: Transmission housing vent, location/task - GF27.40-P-2007N
Transmission housing breather, locationThe inside of the transmission and the breather (72) are connected by a channel which is cast into the torque converter housing.
Transmission housing breather, taskThe transmission housing breather ensures that a pressure equilibrium is maintained in the event of temperature-related volume changes in the transmission fluid and air in the transmission housing.

Planetary gear set, location/task/design/function - GF27.50-P-5100N

TRANSMISSION 722.9 in MODEL 171.4, 203, 230 up to Model Year 08/modification year 07 Ravigneaux gear set

TRANSMISSION 722.9 in MODEL 209, 211, 215, 219, 220 Ravigneaux gear set

TRANSMISSION 722.9 in MODEL 463.303/340/341

Scheme 178

Scheme 178: Planetary gear set, location/task/design/function - GF27.50-P-5100N
Planetary gear set, locationThe Ravigneaux gear set (9) is located in the mechanical part of the transmission.
Planetary gear set, taskPower transmission and production of different gear ratios.
Planetary gear set, designThe Ravigneaux gear set (9) used consists of 2 ring gears, a planet carrier, a sun gear as well as short and long planetary gears.
Planetary gear set, functionGF27.50-P-5100-01N

Planetary gear set, location/task/design/function - GF27.50-P-5100NN

TRANSMISSION 722.9 in MODEL 171.4, 203, 230 up to Model Year 08/modification year 07 single planetary gear set

TRANSMISSION 722.9 in MODEL 209, 211, 215, 219, 220 single planetary gear set

TRANSMISSION 722.9 in MODEL 463.303/340/341

Scheme 179

Scheme 179: Planetary gear set, location/task/design/function - GF27.50-P-5100NN
Planetary gear set, locationThe front single planetary gear set (12a) and the rear single planetary gear set (12b) are located in the mechanical part of the transmission.
Planetary gear set, taskPower transmission and production of different gear ratios.
Planetary gear set, designA single planetary gear system consists of a ring gear, the planetary gears mounted in the planet carrier and a sun gear.
Planetary gear set, functionGF27.50-P-5100-01NN

Multi-disk clutch, location/task/design - GF27.51-P-5103N

TRANSMISSION 722.9 in MODEL 171.4, 203, 230 up to Model Year 08/modification year 07

TRANSMISSION 722.9 in MODELS 209, 211, 215, 219, 220

TRANSMISSION 722.9 in MODEL 463.303/340/341

Scheme 180

Scheme 180: Multi-disk clutch, location/task/design - GF27.51-P-5103N
Multi-disk clutch, location3 multi-disk clutches made up of multi-disk clutch K1 (8), multi-disk clutch K2 (11) and multi-disk clutch K3 (14) are arranged in planetary gear systems in the transmission housing.
Multi-disk clutch, taskTo produce a solid connection between 2 elements of a planetary gear set or one element each from 2 planetary gear sets for transmitting drive torque.
Multi-disk clutch, designGF27.51-P-5103-03N

Multi-disk brake, location/task/design - GF27.51-P-5104N

TRANSMISSION 722.9 in MODEL 171.4, 203, 230 up to Model Year 8

TRANSMISSION 722.9 in MODEL 209, 211, 215, 219, 220

TRANSMISSION 722.9 in MODEL 463.303/340/341

Scheme 181

Scheme 181: Multi-disk brake, location/task/design - GF27.51-P-5104N
Multi-disk brake, location4 multi-disk brakes made up of multi-disk brake B1 (7), multi-disk brake B3 (10), multi-disk brake BR (13) and multi-disk brake B2 (15) are arranged in the planetary gear systems in the transmission housing.
Multi-disk brake, taskTo support the ring gear, sun gear or planet carrier of a planetary gear set relative to the transmission housing, to transmit the drive torque.
Multi-disk brake, designGF27.51-P-5104-03N

Location/task/design/function of floor shift - GF27.60-P-5100NT

TRANSMISSION 722.9 in MODEL 211, 219

Scheme 182

Scheme 182: Location/task/design/function of floor shift - GF27.60-P-5100NT
Floor shift, locationThe floor shift is located in the center console of the vehicle.
Floor shift, taskThe floor shift is the central control for the driver to influence the shift program of the automatic transmission.
Floor shift, designGF27.60-P-5100-03NT
Floor shift, functionGF27.60-P-5100-04NT

Center shifter console, location/task/design/function - GF27.60-P-5100NTL

TRANSMISSION 722.9 in MODEL 211, 219 with CODE (428) Steering wheel shift buttons

Scheme 183

Scheme 183: Center shifter console, location/task/design/function - GF27.60-P-5100NTL
Center shifter console, locationThe floor shift is located in the center console of the vehicle.
Center shifter console, taskThe floor shift is the central control for the driver to influence the shift program of the automatic transmission.
Center shifter console, designGF27.60-P-5100-03NTL
Center shifter console, functionGF27.60-P-5100-04NT

Shift detent, location/task/design/function - GF27.60-P-5101NT

TRANSMISSION 722.9 in MODEL 171.4, 203 up to Model Year 8

TRANSMISSION 722.9 in MODEL 209, 211, 219

Scheme 184

Scheme 184: Shift detent, location/task/design/function - GF27.60-P-5101NT
Shift detent, locationThe shift detent is integrated in the electronic selector lever module control unit (N15/5).
Shift detent, taskLocating the selector lever positions "R", "N" and "D"
Shift detent, designThe shift detent consists of the locking lever (69) permanently connected with the selector lever (80), a leaf spring (85) clamped in the basic housing and a roller (84) inserted in the leaf spring (85).
Shift detent, functionGF27.60-P-5101-04NT

R/P lock, location/task/design/function - GF27.60-P-5103NT

TRANSMISSION 722.9 in MODEL 171.4, 203 up to Model Year 8

TRANSMISSION 722.9 in MODEL 209, 211, 219

Scheme 185

Scheme 185: R/P lock, location/task/design/function - GF27.60-P-5103NT
R/P lock, locationThe R/P lock is integrated in the electronic selector lever module control unit (N15/5).
R/P lock, taskDepending on the condition the R/P lock prevents shifting out of selector lever position "P" or changing into selector lever position "R" from "N".
R/P lock, designThe R/P lock consists of: Locking lever (69) R/P locking solenoid (89) Rocker (100) Leaf spring of rocker (101) Rocker arm (102) Leaf spring of rocker arm (103)
R/P lock, functionGF27.60-P-5103-04NT