Automatic transmission Mercedes C-Class (W203)
Automatic transmission design
Hydraulic 6-speed gearbox "Sequentronic" 1 - Clutch release lever; 2 - Gear recognition switch; 3 - Primary shaft of the gearbox; 4 - Hydraulic pump; 5 - Reservoir; 6 -...
Hydraulic 6-speed gearbox "Sequentronic" 1 - Clutch release lever; 2 - Gear recognition switch; 3 - Primary shaft of the gearbox; 4 - Hydraulic pump; 5 - Reservoir; 6 -...
Automatic Transmission Specifications
Individual characteristics are also given in the text of the Chapter and, if their implementation is mandatory, are highlighted in bold. General parameters Type 5-speed...
Individual characteristics are also given in the text of the Chapter and, if their implementation is mandatory, are highlighted in bold. General parameters Type 5-speed...
Hydraulic control elements of the Sequentronic automated gearbox
Attachments for automated gearboxes "Sequentronic" 1 - Ventilation cover; 2 - Ventilation valve; 3 - Battery; 4 - Clutch release lever; 5 - Sealing plug; 6 - Front...
Attachments for automated gearboxes "Sequentronic" 1 - Ventilation cover; 2 - Ventilation valve; 3 - Battery; 4 - Clutch release lever; 5 - Sealing plug; 6 - Front...
Electronic controls and signals of the Sequentronic automated gearbox control unit
Analog input signals of the Sequentronic control unit a - Working power supply; s - Control power supply; B56 - Automatic transmission pressure sensor; B56/1 - Gear...
Analog input signals of the Sequentronic control unit a - Working power supply; s - Control power supply; B56 - Automatic transmission pressure sensor; B56/1 - Gear...
Automatic transmission design 722.6
Automatic transmission section 1 - Input shaft; 2 - ECU; 3 - Intermediate shaft; 4 - Parking lock gear; 5 - Output shaft; 6 - Oil pump; 7 - Torque converter; 8 - Reactor...
Automatic transmission section 1 - Input shaft; 2 - ECU; 3 - Intermediate shaft; 4 - Parking lock gear; 5 - Output shaft; 6 - Oil pump; 7 - Torque converter; 8 - Reactor...
Troubleshooting — General Information
If you detect a fault with your automatic transmission, first check the fluid level (refer to Section Checking the Automatic Transmission Oil Level ). If the level is...
If you detect a fault with your automatic transmission, first check the fluid level (refer to Section Checking the Automatic Transmission Oil Level ). If the level is...
Electronic control unit tasks and control signals
Automatic transmission control unit K38 - Starter interlock relay module; N₂/2 - SRS control unit; N15/1 - 5-speed automatic transmission control unit (TCM); N15/3 -...
Automatic transmission control unit K38 - Starter interlock relay module; N₂/2 - SRS control unit; N15/1 - 5-speed automatic transmission control unit (TCM); N15/3 -...
Removal and installation of AT with a torque converter
Removal 1. Disconnect the negative cable from the battery. 2. Remove the oil filler pipe (61) from the engine. 3. Remove the drain plug (4) from the transmission pan and...
Removal 1. Disconnect the negative cable from the battery. 2. Remove the oil filler pipe (61) from the engine. 3. Remove the drain plug (4) from the transmission pan and...
Electrohydraulic control unit AT
Electrohydraulic control unit AT 2 - Gearbox; 3 - Pallet; 3a - Connector; 3b, 19a - Bolts; 4 - Drain plug; 5 - Oil filter; 19 - Electrohydraulic control unit; 21 - Guide...
Electrohydraulic control unit AT 2 - Gearbox; 3 - Pallet; 3a - Connector; 3b, 19a - Bolts; 4 - Drain plug; 5 - Oil filter; 19 - Electrohydraulic control unit; 21 - Guide...
Disassembly and assembly of the electrohydraulic control unit
Disassembly and assembly of the electrohydraulic control unit 16 - Gear shift plate; 17 - Fixators; 17a, 17b - Bolts; Y3/6 - Electrohydraulic control unit; Y3/6/y1 -...
Disassembly and assembly of the electrohydraulic control unit 16 - Gear shift plate; 17 - Fixators; 17a, 17b - Bolts; Y3/6 - Electrohydraulic control unit; Y3/6/y1 -...
Disassembling and assembling the gear shift plate
Gear shift plate A — Working pressure adjustment valve. Lubrication pressure adjustment valve. 2-3 gear overlap adjustment valve B — 1-2/4-5 gear shift unit. Gear shift...
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Gear shift plate A — Working pressure adjustment valve. Lubrication pressure adjustment valve. 2-3 gear overlap adjustment valve B — 1-2/4-5 gear shift unit. Gear shift...
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Transmission housing and torque converter
Transmission housing and torque converter 1 - Torque converter housing; 1a, 2a, 3b, 19a - Bolts; 2 - Transmission housing; 3 - Pallet; 3a - Spacer; 5 - Oil filter; 12a -...
Transmission housing and torque converter 1 - Torque converter housing; 1a, 2a, 3b, 19a - Bolts; 2 - Transmission housing; 3 - Pallet; 3a - Spacer; 5 - Oil filter; 12a -...
Multi-disc brakes B2, B3 and locking gear in «Parking»
Multi-disc brakes B2, B3 and locking gear in "Parking" 2 - Transmission housing; 11 - Bolts; 14 - Multi-disc brake B2; 15-Locking gear for "Parking"; 133 - Multi-disc...
Multi-disc brakes B2, B3 and locking gear in "Parking" 2 - Transmission housing; 11 - Bolts; 14 - Multi-disc brake B2; 15-Locking gear for "Parking"; 133 - Multi-disc...
Disassembly and assembly of the rear hollow shaft with the rear freewheel clutch
Disassembly and assembly of the rear hollow shaft with the rear freewheel clutch 45a - Hollow shaft; 45b - Sealing ring; 45c - Retaining ring; 45d - Freewheel clutch;...
Disassembly and assembly of the rear hollow shaft with the rear freewheel clutch 45a - Hollow shaft; 45b - Sealing ring; 45c - Retaining ring; 45d - Freewheel clutch;...
Removal and installation the B1 multi-disc brake and oil pump
Removal and installation the B1 multi-disc brake and oil pump 1 - Torque converter housing; 6 - Multi-disc brake (B1); 6a - Bolts M6x32 (11 pieces); 7 - Oil pump; 7a -...
Removal and installation the B1 multi-disc brake and oil pump 1 - Torque converter housing; 6 - Multi-disc brake (B1); 6a - Bolts M6x32 (11 pieces); 7 - Oil pump; 7a -...
Disassembly and assembly of the oil pump
Disassembly 1. Remove the pump gears (22) and (23) from the pump housing. 2. Check the radial oil seal (24) and replace it if necessary. 3. Replace the sealing ring...
Disassembly 1. Remove the pump gears (22) and (23) from the pump housing. 2. Check the radial oil seal (24) and replace it if necessary. 3. Replace the sealing ring...
Disassembly and assembly of the B1 multi-disc brake
Disassembly and assembly of the multi-disc brake B1 6b - Outer brake support B1; 6c - Piston; 6d - Piston return disc spring; 6f - Disc spring of the disc block; 6g -...
Disassembly and assembly of the multi-disc brake B1 6b - Outer brake support B1; 6c - Piston; 6d - Piston return disc spring; 6f - Disc spring of the disc block; 6g -...
Disassembly and assembly of the B2 multi-disc brake
14a - Outer brake support B2 or piston B3; 14b-d - Brake sealing rings B3; 27 - Brake piston B2; 28 - Piston guide ring; 28a-b - Sealing rings on the piston guide ring;...
14a - Outer brake support B2 or piston B3; 14b-d - Brake sealing rings B3; 27 - Brake piston B2; 28 - Piston guide ring; 28a-b - Sealing rings on the piston guide ring;...
Disassembly and assembly of the output shaft with the central and rear planetary gear block
42 - Output shaft with central block of planetary gears; 42a - Needle bearing; 42b - Teflon rings; 42c, 43a - Thrust gasket; 42d - Thrust needle bearing; 42e - Gasket;...
42 - Output shaft with central block of planetary gears; 42a - Needle bearing; 42b - Teflon rings; 42c, 43a - Thrust gasket; 42d - Thrust needle bearing; 42e - Gasket;...
Removal and installation of multi-plate clutches K1, K2 and K3
12 - Output shaft with central and rear planetary gear block and clutch K3; 13 - Thrust needle bearing; 13a - Thrust gasket; 58 - Drive shaft with clutch K2 and front...
12 - Output shaft with central and rear planetary gear block and clutch K3; 13 - Thrust needle bearing; 13a - Thrust gasket; 58 - Drive shaft with clutch K2 and front...
Disassembly and assembly of the K1 clutch
83a - Outer clutch support K1; 83b - Sealing ring; 86 - Piston; 86a - Piston sealing ring; 86b - Disc spring; 87 - Spring plate; 87a - Spring plate sealing ring; 88, 90...
83a - Outer clutch support K1; 83b - Sealing ring; 86 - Piston; 86a - Piston sealing ring; 86b - Disc spring; 87 - Spring plate; 87a - Spring plate sealing ring; 88, 90...
Disassembly and assembly of the drive shaft with clutch K2 and front block of planetary gears
4 - Inner support of clutch K1 with built-in front block of planetary gears; 84a - Gear; 84b, 104, 106. - Retaining rings; 85 - Thrust needle bearing; 100 - Drive shaft...
4 - Inner support of clutch K1 with built-in front block of planetary gears; 84a - Gear; 84b, 104, 106. - Retaining rings; 85 - Thrust needle bearing; 100 - Drive shaft...
Disassembly and assembly of the K3 clutch
44a - External support; 44b - Sealing ring; 44c - Piston; 44d - Spring plate; 44e, 44h - Retaining rings; 44f - Disc spring; 44g - Disc block; 072 - Puller Checking the...
44a - External support; 44b - Sealing ring; 44c - Piston; 44d - Spring plate; 44e, 44h - Retaining rings; 44f - Disc spring; 44g - Disc block; 072 - Puller Checking the...
Parking locking mechanism
3 - Gear selector lever; 33a - Sealing ring; 34 - Conical traction; 35 - Doggie; 36, 60 - Bolts; 50 - Thrust; 51 - Guide bushing; 51a, 55a, 141a - Sealing rings; 51b -...
3 - Gear selector lever; 33a - Sealing ring; 34 - Conical traction; 35 - Doggie; 36, 60 - Bolts; 50 - Thrust; 51 - Guide bushing; 51a, 55a, 141a - Sealing rings; 51b -...
Removal and installation the gear selector lever
39 - Gasket; 40 - Bolts (4 pieces); 97 - Intermediate lever; S16/10 - Gear identification switch; S16/10s2 - Reversing light switch; Y66/1 - Electromagnetic actuator for...
39 - Gasket; 40 - Bolts (4 pieces); 97 - Intermediate lever; S16/10 - Gear identification switch; S16/10s2 - Reversing light switch; Y66/1 - Electromagnetic actuator for...
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- General information
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