Question about 1991 Mercedes-Benz Mercedes Benz 500 Class

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Why does my 1991 sl500 Mercedes Benz radio say code

My sl500 has a problem starting up it starts only to stallt My abs and asr light are on the dash My SRS light will also occasionally come on and my air lights will blink on and off on front dash board After being warmed up as rand abs lightare on but she drives good but when turned off and started back up she over Cranks every time the first time then starts the second please help me go inf the right direction I don't wanna keep taking random guesses thank you

Posted by Anonymous on

2 Answers

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  • Mercedes-Benz Master
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Have battery and alternator tested if good problem can be in the starting system check ignition switch and starter for load /amp draw as to radio battery or power went out on radio at some point it is in anti theft mode to have radio function need to notify dealer with vin or vehicle and proof of ownership for code

Posted on Jun 13, 2017

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  • Mercedes-Benz Master
  • 874 Answers

Generally is an battery problem low voltage , check the battery

Posted on Jun 13, 2017

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6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: ABS & ASR lights come

abs light comes on and off during normal driving conditions also surges forward when the ligt turns off

Posted on Dec 30, 2008

jasperoni
  • 203 Answers

SOURCE: On a 1995 S500 Mercedes , ASR light keeps coming on

yes they can but unlikely-more likely a bad over voltage relay(powers up idle speed computer) or wire harness-your vehicle is probably a hfm type fuel injection they changed from lh that year. find out if it is lh check the fuses in the base module located in the passenger side of the engine compartment under a cover held in by 4mm allen head bolts-alot of times these control units have intermittent contact with there connectors. asr stands for acceleration slip regulation-both isc and asr communicate via can system to monitor throttle position- ea isc cc-idle speed cruise control and electronic actuater(throttle)-hopefully i have helped

Posted on Jun 05, 2009

  • 1 Answer

SOURCE: Problem with Mercedes C 180 Elegance [auto] wiper

hi. the problem is from wiper temporysator.try to pul litle out that wiper buton.

Posted on Jun 10, 2009

  • 580 Answers

SOURCE: the ABS ,BAS& ASR lights keep coming up

ABS--BAS

Most likely cause is the 'stop lamp switch'
It is a electric switch located on the brake pedal inside the car, about half way up on the brake pedal.
Pretty cheap too, I think the switch is only like $25 bucks.
2 connectors on the switch and then it turns out.
hope that helps

Posted on Jul 11, 2009

mx5turbo92
  • 545 Answers

SOURCE: i need the mercedes benz 1999 clk 430 radio code

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)

  1. 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.
  2. The code number for the radio is advised to you on the enclosed CODE CARD.
  3. 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.
  4. 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.
  5. 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.)

  1. 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.
  2. The code number for the radio is given on the enclosed CODE CARD.
  3. 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.
  4. 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.
  5. 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.

Posted on Dec 17, 2009

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1 Answer

Asr light does not go on


Hi,asr is a (acselleration skid control unit) control unit which helps when the wheele go to spin,its part of the abs(anty lock brakes)but works in revers,the asr light is normal to flash when wheeles are slipping,good luck

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We have a 1993 Mercedes 400 SEL. The climate control unit has a problem where it will keep turning on and killing the battery.We have been disconnecting the battery cables every time we shut down for more...


The ASR and ABS are voltage sensitive, so each time you disconnect them from power, they will reset. To cancel the ASR light, start engine then turn steering wheel full lock to right, then lock to left...ASR should extinguish. ABS light should then go out once you drive above 8 mph for 100yards or so. Until you can have the climate control looked at by a professional, I would locate and remove the fuse for it when you park up. Much better than disconnecting battery.

May 18, 2011 | 1993 Mercedes-Benz Mercedes Benz 400 Class

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The car without moving the asr light will come on and powr is diminished 1991 sl 500


The first thing to do is have the battery and the charging system checked,if the asr system detects less than 11.5 volts or loss of power it shuts down and turns light on,

Jun 16, 2010 | 1991 Mercedes-Benz Mercedes Benz 500 Class

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I gave a jump to my 1993 400 sel now the abs and asr dash lights will not go out and the speed ometer does not work


Check fuses, you are not supposed to "jump" MB thats why they have forever roadside assistance. You charge battery while disconnected and reconnect to start.

Jan 29, 2010 | 1993 Mercedes-Benz Mercedes Benz 400 Class

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Sl 500 1991: problem starting when engine is warm


I would check your injectors, as if they are leaking slightly, the residual fuel pressure can force some fuel into the manifold even with the car off, and it it can cause temporary flooding.

Please leave positive feedback if I have helped you

thanks

Sep 15, 2009 | 1991 Mercedes-Benz Mercedes Benz Sl Class

1 Answer

1991 sl500 overfueling and not starting


1- Check if you see spark at spark plugs when start. If if is not then look for problem at ignition system.

2- Check the cold start valve, it is supposed to open only less than 8 sec during the start to assist the combustion. If it is faulty then it becomes always open causing too much gas in the cylinder chamber. Remember the golden ratio of Air: Gas is 14.6 to have a good combustion.
3-Check injectors. These injectors are normal close and only open when there is a signal from injection module control.

Sep 02, 2009 | 1991 Mercedes-Benz Mercedes Benz Sl Class

2 Answers

Mercedes sl500 1999. no throttle


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