Vehicle Maintenance Mercedes S-Class (W220)

General information about current maintenance
Introduction This Chapter is designed to help the amateur mechanic maintain his vehicle in a state of maximum performance, economy, safety and reliability. Later in the...

Maintenance Specifications
Types and volumes of lubricants and fluids used Keep operating materials out of reach of children. If they enter a child's body, consult a doctor immediately. Use only...

Active Maintenance Warning System (ASSYST)
The current maintenance period is displayed on the dashboard. The maintenance indicator provides information about the optimal time for maintenance work. Approximately...

Schedule of current maintenance
Engine bay. S600 models 1 - Windscreen and headlight washer reservoir; 2 - Expansion tank; 3 - Dipstick for measuring engine oil level; 4 - Brake fluid reservoir View...

General information about the setup
The term "setup" is used in this manual to refer to a set of procedures rather than to a single procedure. If the routine maintenance schedule is strictly followed from...

Checking fluid levels, leak control
Note. The procedures for checking the liquid level are described below, which are performed every 400 km or monthly. Other fluid level checks can be described later in...

Checking the condition of tires and their pressure. Designation of tires and wheel rims. Rotation and replacement of wheels
1. Depending on the model and equipment, tires and wheels of different sizes may be installed. The wheels have a pressing depth of 38 mm. The pressing depth is the...

Changing engine oil and oil filter
Warning! Prolonged skin contact with used engine oil is quite dangerous. Use a protective cream and wear gloves during this procedure. Change oil-soaked clothing...

Checking the brake system
Warning! Dust from lining wear that collects on brake components may contain asbestos, which is hazardous to health. Do not blow out this dust with compressed air or...

Checking the fuel system
Warning! Gasoline is highly flammable, so special precautions must be taken when working with any fuel system components. Do not smoke or approach the work area with an...

Checking the condition and replacing engine compartment hoses, localizing leaks
Warning! Air conditioning hoses must be replaced at a dealership service station or a specialist workshop equipped to safely relieve system pressure. Never disconnect...

Checking the condition of the ribbed belts of the serpentine drive of auxiliary units
Scheme of serpentine belt routing for auxiliary units 1 - Tension roller; 2 - Crankshaft; 3 - Air conditioner compressor; 4 - Water pump; 5 - Generator; 6 - Roller; 7 -...

Checking the cooling system operation and frost resistance. Liquid replacement
Please also refer to the materials of the Section Checking the condition and replacing engine compartment hoses, localizing leaks . 1. Many serious engine malfunctions...

Checking the condition of the exhaust system
1. The check should be done with a cold engine, so it is best to do it before the first trip of the day or no sooner than three hours after turning off the engine. Check...

Checking the Automatic Transmission Oil Level
Automatic transmission fluid dipstick markings A - At oil temperature 25°C B - At a temperature of 80°C Checking the fluid level 1. The fluid level in the automatic...

Visual inspection of automatic transmission for leaks
Gearbox oil leaks may occur in the following places: The plane of the junction of the cylinder block and the AT (rear crankshaft oil seal). At the junction of the drive...

Checking the condition of suspension and steering components
Note: Steering and suspension components should be inspected regularly. Worn or damaged steering and suspension components can cause excessive and dangerous tire wear,...

Checking the condition of the protective covers of the drive shafts
1. Protective covers of drive shafts are very important elements, as they protect constant velocity joints (CV joints) from dirt, water and other foreign objects that...

Checking the power steering fluid level
1. Check the power steering fluid level periodically to avoid vehicle handling problems such as damage to the steering pump. Follow these steps:. Warning! Do not hold...

Checking the air conditioning system
Warning! The air conditioning system is under high pressure. Do not attempt to loosen any connections or remove system parts without first discharging the system. The...

Lubrication of door stops and lock cylinder
1. Lubricate door stops and hinges with Optimol-Optitemp TT 1 grease. 2. Lubricate the door lock cylinders. Insert and remove the key from the lock several times.

Visual inspection of the seat belt and airbag unit
1. Pull out the seat belt completely and check the webbing for damaged threads. 2. Damage may be caused by, for example, a pinched belt or exposure to a burning...

Checking the functionality of headlights and horn
1. Turn on the ignition and check the functionality of all external lighting devices. 2. With the help of an assistant or by backing the car up to a wall, check the...

Checking the condition, adjusting and replacing windshield wipers
Measuring the angle of inclination of the lever plane to the glass surface 1 - Key 2 — Windscreen wiper arm 3 - Locking screw Over time, road film builds up on...

Checking battery condition, care and charging
Tools and materials needed for battery maintenance 1 - Face shield/safety glasses - when brushing away traces of corrosion, crystallized acid particles can easily get...

Replacing the cabin air filter element/carbon air filter
Replacement is carried out in accordance with the above Maintenance Schedule. The filters are located in the locations shown in the illustrations.

Replacing brake fluid
Special tool required: Open-end wrench for unscrewing the air bleed nipple. Transparent plastic hose with an internal diameter of 6 mm and a container for collecting...

Checking and replacing spark plugs. Checking the condition of high-voltage wires
Location of ignition coils, injectors and knock sensors. Engine 113 (S420 and S500) 1 - Ignition coil #4; 2 - Ignition coil #3; 3 - Ignition coil #2; 4 - Ignition coil...

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TEXTHTMLBB Code

W140 (1991-1998)