Mercedes S-Class W-220

since 1998 of release

Repair and car operation

W220 Mercedes
+ Mercedes-Benz Cars of a class S (W220)
+ Operation manual
+ Routine maintenance
+ Engine
+ cooling and heating Systems
+ Power supply system and release
+ engine Electric equipment
- Automatic transmission
   Problems of the block of electronic control and operating signals
   Search of malfunctions - the general information
   Removal and AT installation with the hydrotransformer
   The AT electrohydraulic control unit (AT is established)
   Dismantling and assembly of the electrohydraulic control unit
   Dismantling and assembly of a plate of gear shifting
   Case of transmission and hydrotransformer
   Multidisk brakes В2, VZ and a blocking gear wheel at "Parking"
   Dismantling and assembly of a back hollow shaft with the back coupling of a free wheeling
   Removal and installation of multidisk brake В1 and oil pump
   Dismantling and assembly of the oil pump
   Dismantling and assembly of multidisk brake В1
   Dismantling and assembly of multidisk brake В2
   Dismantling and assembly of a target shaft with the central and back block of planetary gear wheels
   Removal and installation of multidisk couplings К1, К2 and К3
   Dismantling and assembly of coupling К1
   Dismantling and assembly of a leading shaft with coupling К2 and the forward block of planetary gear wheels
   Dismantling and assembly of coupling К3
   The blocking mechanism at "parking"
   Removal and installation of the lever of the selector of gear shifting
+ Power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ electric equipment Cхемы

Case of transmission and hydrotransformer

1 — the hydrotransformer Case
1а, 2а, Зb, 19а — Bolts
2 — the transmission Case
3 — the Pallet
For — the Strut
5 — the Oil filter
12а — Teflon rings
18, 67а — Laying
19 — the AT Electrohydraulic control unit

20 — the Radial epiploon
21 — the Directing plug
21а — Sealing rings
47 — the Nut
48 — the Target flange
67 — the Ball bearing
68 — the Lock ring



1. Weaken directing plug 21 and remove it from transmission.
2. Remove the pallet 3.
3. Remove the oil filter 5.
4. Unscrew bolts 19а and remove the AT 19 electrohydraulic control unit.
5. Remove a flange 48.
6. Vypressuyte a radial epiploon 20, remove laying 67а, a lock ring 68 and выпрессуйте the ball bearing 67 of the transmission case.
7. Remove laying 18.
8. Unscrew a bolt 1а and 2а from the case the hydrotransformer and transmissions.
9. Remove the case of transmission 2 from the case the hydrotransformer 1.



1. Grease with hermetic and insert into a groove everything together teflon rings 12а
2. Establish a transmission 2 on the hydrotransformer 1. Combine disks of brakes В2 and VZ.
3. Wrap bolts 1а and 2а.
4. Measure a gap between a doggie of the parking brake and the ball bearing. It should be within 0.3-0 5 mm.
5. Establish laying 18, press the ball bearing in a back part of the case of transmission.
6. Establish laying 67а.
7. Establish a radial epiploon 20 in the transmission case.
8. Establish a flange 48.
9. Establish and tighten bolts of fastening of the AT 19 electrohydraulic control unit.
10. Further assembly is carried out as it should be, the return to dismantling.