Automatic transmission Mercedes S-Class (W220)

General description of automatic transmission
Note: Individual characteristics are also given in the text of the Chapter and, if their implementation is mandatory, are highlighted in bold. Type 5-speed, with...

Electronic control unit tasks and control signals
Input and output signals of the AT 722.6 control unit and the CAN data bus N15/3 - ETC control unit; X11/4 - DLC connector; Y3/6b1 - ATF temperature sensor; Y3/6n2 -...

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...

Removal and installation of AT with a torque converter
Automatic transmission 4 - Drain plug of the pan; 9 - Drain plug of the torque converter; 26 - Wiring connector; 33 - Gear shift lever; 46 - Grounding busbar; 49 - Oil...

Electrohydraulic control unit AT (AT installed)
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
16 - Gear shift plate; 17 - Fixators; 17a, 17b - Bolts; Y3/6 - Electrohydraulic control unit; Y3/6/y1 - Pressure adjustment solenoid valve; Y3/6/y2 - Shift pressure...

Disassembling and assembling the 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 pressure...

Transmission housing and torque converter
1 - Torque converter housing; 1a, 2a, Zb, 19a-Bolts; 2 - Transmission housing; 3 - Pallet; Pros - Spacer; 5 - Oil filter; 12a - Teflon rings; 18, 67a - Gaskets; 19 -...

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 brake; VZ, 133a - Retaining ring; 133b - Spring gasket...

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; 45e - Rear sun gear with internal clutch support KZ; 45f - Thrust needle bearing;...

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 - Bolts M8x35 (7 pieces); 8 - Intermediate plate Removal 1. Remove...

Disassembly and assembly of the oil pump
Disassembly 1. Remove pump gears 22 and 23 from the pump housing. 2. Check radial oil seal 24 and replace it if necessary. 3. Replace sealing ring 25. 4. Lubricate the...

Disassembly and assembly of the B1 multi-disc brake
6b - Outer brake support B1; 6c - Piston; 6d - Piston return disc spring; 6f - Disc spring of the disc block; 6g - Gear Block; 6e, 6h - Retaining rings; 073 - Puller; A...

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;...

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;...

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...

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...

Disassembly and assembly of the drive shaft with clutch K2 and front block of planetary gears
84 - Inner support of clutch K1 with integrated 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...

Parking Lock Mechanism — Removal and Installation
33 - 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
9 - 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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TEXTHTMLBB Code

W140 (1991-1998)