Vehicle equipment and instruments Mercedes C-Class (W202)
General description of electrical equipment When checking electrical equipment in the technical documentation, the car owner is faced with the concepts "voltage, current and resistance". Voltage is measured in...
Measuring instruments To measure electrical parameters in the on-board circuit, so-called combined measuring instruments are commercially available, which combine a voltmeter for measuring...
Measurement technique Voltage measurement The presence of voltage can already be proven with a simple test light or voltage indicator. True, in this case it is only determined whether voltage...
Electrical checks When troubleshooting electrical equipment, a systematic approach is important. This is true both when checking failed incandescent lamps, and in the case of idle...
Sound signal — removal and installation Vehicle models equipped with 1.8L engines as well as 2.0L diesel engines have a low-pitched fanfare horn in the left wheel well. All other car models have an additional...
Fuse Replacement To avoid damage due to short circuits and overloads in the lines and consumers of the electrical system, individual electrical circuits are protected by fuses. Blade...
Dashboard — removal and installation In Mercedes C-class cars, the instruments are concentrated on the dashboard. It must be removed if the incandescent lamps in the instrument panel lighting system are to...
Light switch — removal and installation 50. Control knob; 51. Incandescent lamp; 52. Nut; 53. Protective cover; 54. Regulator of the angle of inclination of the optical axis of the headlights; 55. Plug...
Radio receiver — removal and installation 51. Dismantling keys; A2. Radio Removing Attention! Both serially installed and commercially available receivers have a code number. It protects the receiver from...
Antenna — removal and installation 77, 78. Bolts; 79. Top seal; 80. Bottom seal; 81. High frequency wire; 82. Electrical connector; M11. Automatic antenna Removing 1. Disconnect the ground wire from the...
Automatic Antenna Telescope — Removal and Installation 74. Nut; 75. Telescopic antenna; 76. Plastic rod Removing 1. Loosen the fixing nut (74). 2. Have an assistant turn on the radio. 3. Pull out the telescopic antenna (75)...
Speakers — removal and installation Removing 1. Turn off the radio. Speaker in the dashboard. 2. Use a plastic wedge to pry up the protective cover of the right or left speaker. 3. Take out the speaker,...
Rubber wiper blades — removal and installation The rubber wiper blades should be replaced if the glass cleaning quality is poor. In trade are offered as complete wiper blades (rubber brush with holder), and...
Diagnosis of malfunctions of wiper blades Diagnosis of malfunctions of wiper blades CAUSE SOLUTION The brushes are slipping Dirty rubber brush Clean the rubber brush with a stiff nylon brush and detergent...
Windshield washer jets Both dual beam washer jets are equipped with a PTC heating resistor. After switching on the ignition, the heating wire heats the jet and thus prevents it from freezing...
Wash nozzles for headlights As soon as the windshield wiper is activated when the headlights are switched on, the headlight wipers are also switched on with it. Have an assistant turn on the...
Protect your car yourself You can complain as much as you like about the authorities not taking proper measures to reduce the number of stolen cars, laws that are not severe enough to punish...
Anti-theft «immunodeficiency» The more passive the blocking, the better There is no immunity from theft. If a car can add up the price, it is potentially a commodity, and therefore an object of...