AR82.60-P-7502-01A Coding Radio (MODEL all with CODE (750) Radio Becker Europa 2000 with CODE (751) Radio Becker Grand Prix 2000 with RDS)
If the radio is disconnected from the power supply, it is not operational when re-connected. After switching on the ignition and the radio, the readout CODE appears in the display.
The code number for the radio is advised to you on the enclosed CODE CARD.
To enter the first digit of the code number, you have to continue pressing station button 1 until the correct digit appears in the display. Adopt the same procedure for the second, third and fourth digits.
Once you have entered the correct code number with the station buttons 1, 2, 3, 4 and confirmed the entry with the SEEK button (press down), the readout CODE disappears. The radio can now be operated.
If you enter a wrong code three times, you must wait 15 minutes before making a new entry. In addition, if 9 incorrect entries are made, the radio will then not operate for 24 hours. During this time the radio and the ignition (terminal 15) must remain switched on.
AR82.60-P-7502-01B Coding Radio (MODEL all with CODE (353) Audio 30 APS with CODE (510a) Radio MB Exquisit with traffic news decoder, with RDS (Becker) with CODE (512a) Radio MB Special with traffic news decoder, with RDS.)
If the radio is disconnected from the power supply, it cannot be operated by simply reconnecting. After switching on the ignition and the radio the word "CODE" appears in the display on the radio.
The code number for the radio is given on the enclosed CODE CARD.
Enter the code number with the station button, e.g. number 1, station button 1. After entering the first number the word "CODE" disappears and the number entered appears followed by 4 dashes. The next character to be entered flashes. After entering all five numbers, the first character starts flashing again. In this state the code number can be written over as frequently as desired. A correction can be made only by entering the complete code number again.
Confirm code number: Press TUNE, AUTO/SEEK or SC button. The radio automatically switches on and indicates the radio station or frequency stored with station button 1.
If an incorrect code number is entered and confirmed, the word "CODE" appears again on the display. If an incorrect code is entered three times the word "WAIT" appears on the display and the radio locks up for approx. 10 min. If the code is entered incorrectly three times again the radio locks up again for 10 min. Three more incorrect entries (a total of 9 incorrect attempts) increase the lock-up time to 60 min. Another three incorrect entries lock up the radio for another 60 min. The waiting time runs only when the radio is switched on.
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The numbers you have given relate to the cylinder heads used in Mercedes cars. There are a few different models that use this head in it. These are the ones listed for that particular cylinder: 1)MERCEDES C-CLASS -97 200 KOMPRESSOR ELEGANCE M111.944 5VX 4DR SED BENSIN 2)MERCEDES C-CLASS -00 5DCBI 200I 5VXL SER ABS 2,0I 5-MANUELL 5DR CBI BENS 3)MERCEDES CLK-CLASS -00 2DCOUPE 230KOMPR AUT SER ABS 230 KOMPRESSOR AUTOMAT 4)MERCEDES ML-CLASS -97 MB 230
In other words, you'll need to get more information than what you have currently.
all you need is the radio keys to remove the radio. If the radio has two little slots in the bottom corners is the way to tell if thats all you need. Any good Mercedes repair shop should have the radio keys and should be able to pull it out for you at no charge. It only takes seconds to do.
code p 0455 refers to evaporative emission (EVAP) system---large leak detected ====causes --hose connection/s---intake leak-----EVAP canister--EVAP canister purge valve
the first place to check for a large leak is the filler cap properly installed and tightened
Have head gasket checked for failure (oil in coolant or vise versa) , Thermostat may be bad, scale buildup in radiator, water pump failure, cap failure, fan failure or any number of leaks can cause this
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