Mercedes S-Class W-140

In 1991-1999 editions

Repair and enterprise of the car



Mercedes S-Class
+ Mercedes Benz cars of the class S (W-140)
+ Operation manual
- Routine maintenance
   Specifications
   Active system of the prevention to entrance term systematically THAT (ASSYST)
   Planned schedule of routine maintenance
   General information on vote
   Check of levels of liquids, control of a vytecheniye
   Check of a condition of tires and pressure in them, the name of tires and Disks of wheels, rotation of wheels
   Compensation of engine oil and fat filter
   Check of the brake system
   Check of system of fuel, compensation of the filter for fuel
   Check of a state and compensation of hoses of motor office, localization of a vytecheniye
   Check of a condition of ridge serpantinnogo belts of an incentive of auxiliary devices
   Check of functioning of the cooling system and frost resistance of the cooled liquid, compensation of liquid
   Check of a condition of system of the edition of the working gases
   Check of the ATF level, compensation of the AT filter
   visuale check of density of automatic transmission
   Check of a condition of the Aufhängung components and management
   Check of a condition of protective caps of power shafts
   Check of the air conditioning system
   Lubricants of limiters of doors and cylinders of locks
   visuale control of a seat belt and block of an inflatable safety cushion
   Check of operability of searchlights and klaksona
   Check of a state, regulation and compensation of brushes of screen wipers
   Check of a condition of the battery, its leaving and loading
   Compensation of salonnogo of the filter
   Compensation of brake fluid
   Check and compensation of spark plugs, check of a condition of high-voltage lines (petrol models)
+ motor
+ cooling systems, heating
+ systems of power supply and edition
+ electric equipment of the motor
+ gear shifting boxes
+ Awtomatitscheckaja transmission
+ connection
+ brake system
+ Aufhängung and management
+ body
+ electric onboard equipment



General information on vote

The concept "vote" will be in this manual quicker for the name of a complex of procedures, than the separated procedure uses.

If from the date of purchase of the car strictly pay attention, frequent checks of level of the liquids and a state subordinated to the increased sale of components to the planned schedule of routine maintenance will be carried out as it is offered in this manual, the motor will be long to remain in good working situation, and need will be attributed in carrying out some additional work to a minimum.

It is more frequent, apparently, so however that the motor not effectively owing to disrespect as regular service works. It seems even more often when purchasing of the used car which owners did not worry from frequent both regular checks, and service. In this case, except execution of ordinary procedures after routine maintenance, it is necessary to make vote of the motor.

The first step in any voting procedure or diagnostics for the purpose of improvement of operation of the motor is a check of a step of compression in the cylinder. Compression check (address the head to the motor) will help to define a condition of internal components of the motor and has to serve for the list when carrying out vote and repair. If, for example, check of a step of compression on serious internal sale of the motor designates, usual vote will not help to improve its work and there will be Vertändlung of time and money. As the procedure of check of a step of compression is extremely important, the expert has to see off them which owns specially intended for this purpose the equipment.

For the management of the motor in good working situation mostly demand execution of the following procedures.

Minimum installations

  • Check of all liquids which are connected with operation of the motor.
  • Check of a condition of all hoses of motor office (office check of system of fuel, compensation of the filter for fuel).
  • Check and regulation of tension of priwodnych of belts (office watch check of a state and compensation of hoses of motor office, localization of a vytecheniye the head the motor just).
  • Cleaning, audit and check of shop of the battery (office check of a condition of the battery, its leaving and loading).
  • Compensation of spark plugs or nakaliwanija - on the diesel engine (watch chapter the electric equipment of the motor).
  • Audit of WW lines of candles (watch chapter the electric equipment of the motor).
  • Check of the filter for purification of air (office compensation of salonnogo of the filter).
  • Check of the cooling system.
  • General installations

    In addition to the installations listed in the previous list:
  • Check of system of ignition or preliminary tension - on the diesel engine (address the electric equipment of the motor) to the head.
  • Check of system of shop (address the head to the electric equipment of the motor).
  • Check of system of fuel (address the head of system of power supply and the edition).
  • Compensation of WW lines of spark plugs (watch chapter the electric equipment of the motor).