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
   Specifications
   Active system of the prevention of term of approach planned THAT (ASSYST)
   Schedule of routine maintenance
   General information on control
   Check of levels of liquids, control of leaks
   Check of a condition of tires and pressure in them, designation of tires and disks of wheels, rotation of wheels
   Replacement of impellent oil and oil filter
   Check of brake system
   Check of fuel system, replacement of the fuel filter
   Check of a condition and replacement of hoses of an impellent compartment, localization of leaks
   Check of a condition of ridge belts of a streaming drive of auxiliary units
   Check of functioning of system of cooling and frost resistance of cooling liquid, liquid replacement
   Check of a condition of system of production of the fulfilled gases
   Check of level of ATF, AT filter replacement
   Visual check of tightness of automatic transmission
   Check of a condition of components of a suspension bracket and steering
   Check of a condition of protective covers of power shafts
   Check of central air of air
   Greasing of limiters of doors and cylinders of locks
   Visual control of a seat belt and safety cushion block
   Check of operability of headlights and horn
   Condition check, adjustment and replacement of brushes of screen wipers
   Check of a condition of the battery, care of it and charging
   Replacement of the salonny filter
   Replacement of brake liquid
   Check and replacement of spark plugs, check of a condition of high-voltage wires (petrol models)
+ Engine
+ 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



56822268



Schedule of routine maintenance

Offered recommendations assume independent performance of procedures of service of the car it the owner unlike the works which are carried out at car repair shop of representation office of the Mercedes-Benz company. Though this schedule is made on the basis of manufacturer recommendations, intervals between the majority of procedures, at the discretion of the owner of the car, it is possible to reduce, for example, check and replacement of greasings and liquids should be made with the intervals providing the maximum service life of the engine or a drive. Besides, if the owner of the car is interested in supporting it in a condition of the maximum readiness for operation on a case of the possible resale, many procedures can be carried out more often. We only welcome a similar initiative.

Initial service and check of the new car should be made at car repair shop of representation office of firm for the purpose of performance of conditions of the guarantee certificate. Such check is made free of charge.

Replacement of impellent oil and accompanying works (each 9000 km of run or once a year)

Make replacement of impellent oil and the oil filter, modify oil level, check levels of working liquids in tanks of an impellent compartment.

List A: Procedure is carried out in case run from the moment of performance of the last service according to the list B makes less than 22 000 km.

List B: Procedure is carried out in case run from the moment of performance of the last service according to the list B makes more than 22 000 km.

Primary service is made according to the list B.

(В) Brake system

Check serviceability of functioning of the parking brake and reliability of keeping by it the car on a bias.

Car salon

(And and In) Check serviceability of functioning of the following devices:
  • (А) Remove wheels and check residual thickness of frictional overlays of brake shoes.
  • (В) Estimate a condition of brake disks.
  • (А) Make replacement/rotation of wheels (all four wheels should be one standard size).
  • (B) Check a condition of tires.
  • (А) Modify pressure of a rating of tires and measure residual depth of a protector.
  • Car bottom

  • Check the elements located under the bottom on leaks.
  • Check a condition and correctness of laying of hydraulic and fuel lines.
  • Check a condition of spherical support and saylent-blocks.
  • Estimate degree of wear of components of a steering drive (люфты).
  • Impellent compartment

    The order of opening of a cowl for the purpose of ensuring access in an impellent compartment is described in the Section Access to podkapotny space of Head the Operation manual

  • (В) Check the elements located in an impellent compartment on existence of signs of leaks.
  • (В) Check a condition and correctness of laying of hydraulic and fuel lines.
  • (And and In) Make replacement of impellent oil and the oil filter.
  • Check levels of all working liquids:


  • (В) Cooling systems;
  • (А) Brake system;
  • (А) Stekloomyvateley;
  • (В) Systems of hydrostrengthening of a wheel;
  • (В) Adjustments of rigidity of shock-absorbers;
  • (В) Check a condition of driving belts;
  • (В) Grease elements of a drive of a butterfly valve, check serviceability of functioning of a drive;
  • (В) Replace the dustproof filter (without a coal element);
  • (And and In) Check work of a latch of the lock of a cowl.
  • (В) Body

    Check lamps of headlights (except xenon) on compliance of the demanded capacity.

    Check correctness of adjustment of optical axes of headlights, in case of need make the corresponding adjustment.

    Replace working elements of brushes of screen wipers (including cleaners of headlights).

    Luggage compartment

  • (В) Check electrolit level in the battery.
  • (А) Check pressure of a rating of the tire of a spare wheel.
  • Additional works

    Each 2 years

    Replace brake liquid. Check a condition of a paint and varnish covering, components of the chassis bearing and basic body elements.

    Each 3 years

    Replace cooling liquid. Clean and grease directing a trench and ползуны covers of the top hatch.

    Each 48 000 km (4 years)

    Check a condition of elastic couplings of the driveshaft.

    Each 96 000 km (4 years)

    Replace the fuel filter, an element of the air filter of the engine. Replace spark plugs.

    Each 72 000 km (2 years)

    Replace the filter of purification of air of salon, the preliminary coal filter.

    Each 120 000 km (4 years)

    Replace the coal filter.

    Be careful at works in an impellent compartment, operation of the fan of system of cooling can occur within about 30 more seconds after engine switching off!

    In electronic system of ignition, very high voltage is generated! Be attentive, observe all necessary precautionary measures at service of any components of system, turning on not only the main (the ignition module, the coil and wire VV), but also and accompanying, such as candle sockets, a tachometer and the other connected diagnostic equipment. Special attentiveness should be observed at the working engine, during its start, at the included ignition (a key in situation 2) and at a provorachivaniye of a cranked shaft manually. Persons with the implanted pacemaker to be allowed to service of components of system of ignition should not!

    The description of procedure of opening of a cowl is provided in the Section Access to podkapotny space of Head the Operation manual