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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mercedes-Benz C-Class (W203, 2000 issue)

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Mercedes-Benz W203
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Mercedes-Benz
W203
Introduction
Instruction Manual
Routine maintenance
Specifications
Maturity indicator scheduled maintenance (ASSYST)
The routine maintenance schedule
General information on setting up
Check fluid level, leakage control
Checking the status of the tire and the pressure therein. A designation of tires and disks of wheels. Rotation and replacement of wheels
Replacing the motor oil and oil filter
The brake system checked. Adjusting the parking brake
Check the fuel system
Check and replacement of hoses of an impellent compartment, localization of leaks
Checking the ribbed serpentine belt accessory drive
Check the functioning of the cooling system and the coolant frost. Fluid Replacement
Checking the exhaust system
Checking the oil level automatic transmission
Visual inspection of gearbox oil leak
Checking the components of the suspension and steering
Check condition of protective covers of power shafts
Check the fluid level of steering hydrostrengthening
Check the fluid level adjustment clearance
Check the air conditioning system
Cleaning mechanism sunroof mobile panel
Visual inspection of safety belt and airbag unit
Verifying the headlights and horn
Check the status, adjustment and replacement of brushes of screen wipers
Checking the status of the battery, care it and gymnastics
Replacing the battery of the emergency call Tele-Aid
Replacing the cabin air filter / charcoal filter air purification
Checking, cleaning and lubrication of the coupling device
Replacing brake fluid
Check flexible coupling propeller shaft
Check and replacement of spark plugs. Checking the status of high-voltage wires
Replacing the air filter of the engine
Replacement of the fuel filter
Engine
Cooling and heating
The power supply system and release
Electric motor
Manual gearbox
Automatic Transmission
Coupling and power shafts
Brakes
Suspension and steering
Body
Onboard electric
 


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Checking the status of the battery, care it and gymnastics



Tools and materials needed to care for the battery

1 - face shield / goggles - when removing brush corrosion acid crystallized particles can easily get into your eyes
2 - Baking soda - water solution of baking soda can be used to neutralize the corrosion
3 - acid-free Vaseline - applied to the battery terminals a layer of petroleum jelly to help avoid corrosion
4 - Device for stripping terminals / lugs wires - a device with a wire brush to remove all traces of corrosion from the battery terminals and wire end ferrules
5 - impregnated felt washers - installation of washers on each terminal of the battery directly under the tips of the wires will help prevent corrosion
6 - Puller - sometimes tips of wires is very difficult to remove from the battery terminals, even after a complete attenuation of nuts / bolts. This tool will help to remove the tips vertically without damage
7 - Device for stripping terminals / lugs wires - another type of stripping tool, a slightly modified version of paragraph 4, performing the same function
8 - Rubber gloves - another means of protection when working with battery; Remember that the battery is acid!

It does not apply to maintenance-free battery VRLA

Battery VRLA different black body with the designation ?�VRLA?�. It requires no maintenance, the level of the electrolyte from the outside can not see. James does not have a battery, the cover is not removed.

Refer also to the materials of the Head of Electric Motor.

The battery is located in the engine compartment on the right.

Provided for the life of the battery is achieved only if it is always sufficiently charged.

When using the car mostly on shorter distances or long-term parking lot, it is more likely to inspect the state of charge of the battery.

Disconnecting the battery

PERFORMANCE ORDER

1. Do not loosen or remove the cables from the battery terminals with the engine running. Otherwise, it may be corrupted by electronic components (e.g., generator).
2. Turn off all electrical consumers. First, disconnect and remove the negative and then the positive terminal.
3. After disconnecting the battery terminals the electronic key in the ignition is not turned over, and the AT selector lever remains locked in position "P".


Connecting the battery

Electricity consumers should be turned off.

PERFORMANCE ORDER

1. First connect the plus and then the negative terminal.
2. After connecting the battery it is necessary to carry out the following work:

?� Setting the clock (Section multifunction steering wheel, universal display).
?� Introduction to the memory of the radio code (see. "Owner's Manual radio receiver").
?� Re-adjustment of side windows (Section Windows, sunroof).
?� Re-alignment shift and lifted the top hatch (Section Windows, sunroof).
?� Re-adjustment of ESP. To do this, the steering wheel with the engine running, turn from lock to lock.


Inspection and Maintenance

PERFORMANCE ORDER

When working with the battery should take certain precautions. The battery bank is always a highly flammable hydrogen, so in any case, do not allow approach the battery with a lighted cigarette or other forms of naked flame. Battery electrolyte is a solution of sulfuric acid, which if it enters the eyes or on the open areas of the body causing serious injury. In addition, the acid corrodes clothes and paints. When disconnecting the battery, always disconnect the earth cable first and connect it last!

1. Care of the battery is very important as it allows to avoid the stops along the way due to its discharge. To perform the maintenance procedures require the appropriate tool.
2. Before performing any maintenance always first switch off the engine and disconnect all electrical appliances, and then unplug the cable of weight from the battery.

If your car radio is equipped with theft protection, make sure that you have typed the correct code before disconnecting the battery.

3. Usually cars are equipped with batteries that do not require special care. You can remove the covers of cans and refill with distilled water. The latest models can be equipped with batteries, require no maintenance, are completely sealed.

4. Remove the cover and check the electrolyte level in each battery cans. It should be above the plates. Typically, each bank has a level indicator. If the electrolyte level is below normal, add only distilled water, and then close the lid cans.

Overflow cans can cause transfusion electrolyte during fast charge that will corrode and damage the nearest to the battery components.

5. If the positive terminal of the battery wire and clamp your car equipped with rubber protector, make sure that it is not torn or damaged. He must completely cover the terminal.
6. Periodically inspect the external condition of the battery in the presence of damage such as cracks in the housing.
7. Check whether the tightening clamps battery wires, providing a good electrical connection. Check each of the wires along the entire length for cracks and abrasions insulation and wiring.
8. If you notice signs of corrosion (usually a soft touch white) Disconnect the, strip their special brush and reconnect. The appearance of corrosion can be minimized by installing specially treated washers, which are commercially available in auto parts stores, or by applying the clamps to the terminals and wiring layer of acid-free vaseline or grease after suitable connection.
9. Make sure that the battery tray is in satisfactory condition and bolt mounting bracket securely tightened. If the battery was removed from the tray, make sure that during installation, do not lay it on parts or other foreign objects. When clamping fastening clamp bolt not tighten it too tight.
10. The corrosion from the pallet of the battery case and the surrounding surfaces can be removed with an aqueous solution of baking soda. Apply the mixture to a small brush, let it stand and then rinse with plenty of clean water.
11. The metal surface of the car, corroded, should be covered with zinc-based primer and then painted.
12. For more information about the battery and the engine is started from an external source can be found in Chapter 5 and in the Introduction.


Charging

PERFORMANCE ORDER

Manufacturers recommend to remove the battery from the car to charge it, because gas emitted during this procedure can damage the painted surfaces or the interior of the car, depending on the location of the battery. Quick charge with battery wiring can cause damage to the electrical system of the car.

1. Remove all covers from the battery cans (if any), and close the hole with a clean cloth to prevent spillage of the electrolyte. Disconnect the battery earth cable and connect the charger cable to its terminals (positive to positive, negative to negative), then plug the charger into the network. If it has a switch, make sure it is set to "12 V".

If your car radio is equipped with theft protection, make sure that you have typed the correct code before disconnecting the battery.

2. If you use a charger with a current of more than two amps, regularly check the battery during charging, to make sure it is not overheated. Using a slow charger, you can safely leave the battery charge overnight after a regular inspection for the first two hours. When charging batteries, maintenance-free, it can take certain precautions (eg, use of a very low current charger). In such a battery could be a warning label, but if it is not, consult in the Executive branch of the manufacturer or an electrician garage.
3. If the banks have a removable battery cover, every hour for the last few hours of the charging cycle, check the electrolyte density using a hydrometer. Cheap hydrometers are available in auto parts stores - in their application, follow the attached instructions. The battery can be charged to consider if, within two hours of performance density of its electrolyte does not change, and the electrolyte in the banks free bubbles. The density of the electrolyte in individual banks should be almost identical. If this is not so, then one or more cans of the battery out of order and should be replaced.
4. Some do not require care at the top of the battery have a built-in hydrometer having a window - the color indicator of the battery charge. Usually brightly colored window indicates that the battery is fully charged, and the dark color indicates the need for additional charge. More detailed information, refer to the battery manufacturer's instructions.
5. If the battery is sealed and does not have the built-in hydrometer, you can check the charge level using the battery terminals connected to a digital voltmeter. A fully charged battery will more and 12.6 volts.
6. For more information about the battery and start the engine from the auxiliary power can be found in Chapter Electric motor and in the Introduction.





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