Mercedes S-Class W-140

1991-1999 of release

Repair and car operation

Mercedes S-Class
+ Mercedes-Benz Cars of a class S (W-140)
+ Operation manual
+ Routine maintenance
- Engine
   Compression check in engine cylinders
   Engine check by means of the vacuum gage
   Belt of a streaming drive of auxiliary units
   + 6-cylinder petrol engines (M104.944 and M104.990/994)
   + 8-cylinder petrol engines (M119.970/981 and M119.971/981)
   - 12-cylinder petrol engines (M120.980/982)
      Air purifier - installation details
      Covers of heads of the block of cylinders
      Removal and installation of the inlet pipeline
      Removal and installation of a final collector
      The valve of a retsirkulyatsiya of the fulfilled gases - installation details
      Pump of supply of air
      Removal and installation of the top forward covers
      Heads of the block of cylinders
      Removal and installation of a cover of a chain of a drive of GRM
      Replacement of a chain of a drive of GRM
      GRM drive - the general information, service of components
      Natyazhitel of a chain of a drive of GRM
      Camshaft regulator
      Removal and installation of camshafts
      Check of phases of a gazoraspredeleniye
      Check and adjustment of provision of camshafts
      Replacement of directing plugs of valves
      Measurement of diameters of cylinders
      Removal and installation of pistons
      Check of rods
      Removal and installation of a cranked shaft
      Removal and installation of the pallet of a case of the engine
      The sensor switch of level of oil - installation details
      The oil pump - a design and installation details
   + 6-cylinder diesel engines (OM603.971)
   + 6-cylinder diesel engines (OM606.961)
+ Systems of cooling, heating
+ Power supply system and release
+ engine Electric equipment
+ gear shifting Box
+ Avtomaticheckaya transmission
+ Coupling
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment


Removal and installation of the pallet of a case of the engine

Details of installation of the pallet of a case of the engine



1. Remove a belt of a drive of the generator.
2. Remove the air filter with a measuring instrument of an air stream
3. Disconnect a negative wire from the battery.
4. Remove the bottom protective guard of the engine.
5. Merge impellent oil.
6. Disconnect the conducting socket from the sensor of pressure of oil on a masloraspredelitel (18).
7. Unscrew AT (17) pipelines from the pallet (20).
8. Unscrew pipelines of a podmeshivaniye of air in an exhaust (15) in the lower part of the pallet (18) and the left and right arms of the engine.
9. Turn on a masloraspredelitel (18).
10. Disconnect the socket (2) from the sensor of level of oil (S43) in the pallet (20).
11. Unscrew bolts (14) fastenings of the pallet.
12. Remove the forward stabilizer of cross-section stability.
13. Remove forward springs (21).
14. Unscrew the shock-absorber (27) from below.
15. Turn on both bottom forward support of the engine (09) from forward arms (28).
16. Establish the engine lift (060).
17. Tighten elevating eyes of the engine in front and behind.
18. Unscrew directing pipe of the index of level of oil (3) from a cover of a head of the block of cylinders.
19. Unscrew a guard (26) hinges of a steering shaft (25) and fix it sideways.
20. Disconnect the hinge of a steering shaft (25).
21. Lift the engine by means of a jack (070).
22. Remove back covers of bolts (22).
23. Unscrew bolts (22) lobbies of a support (28).
24. Lower a forward part of the engine (28) until the possible will remove the pallet.
25. Remove the generator (13).
26. Unscrew AT (16) and (17) pipelines, remove an oil radiator (11), the conditioner compressor from the pallet.
27. Unscrew directing pipe щупа measurements of level of oil (3) from the pallet.
28. Unscrew bolts of fastening of the pallet.
29. Lower the pallet (20) and remove it, having moved forward.
30. Replace laying (21).


Installation is made as it should be, the return to removal.

Order of a tightening and weakening of bolts of fastening of the pallet of the engine.

1 — Bolts М6х22
2 — Bolt М6х50
3 — Bolts М6х85
4 — Bolts М8х40
5 — Boats М10х40