1992 Mercedes-Benz Mercedes Benz S Class - Answered Questions & Fixed issues

Cgeck this for 1992 Mercedes Benz 500SEL (140 Chassis) 5.0 liter DOHC V-8 (119)




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Please let me know if you have any questions, and thanks for using FixYa.

This car has a pretty reliable inline 6 cyl. The car also has TWO fuel pumps .. if one pump is bad the car will not produce full power. this is to keep you from being stranded if you have a fuel pump failure. What you really need to do is check the fuel pressure and see if thats up to spec. Check your air filter too.. Do you have black smoke when you step on the gas? or just poor power. ?

If the radio is not happy with the code you are entering there is a possiblity it has locked you out - Leaving the ignition on with WAIT on the screen (1 minute for 1st incorrect enter, 2min for 2nd, 4min for 3rd, 8min for 4th etc) until such time that the radio displays CODE or until leaving the ignition on doesn't remove WAIT from the screen. (possible new radio required at that point)

We assuming that you are refer at 1992 Mercedes Benz, the Flasher is located: Under hood, driver side, rear side of strut tower, mounted in relay block on upper firewall.

Keep in touch.

Contact the dealer with the vin number and they will be able to give you the code that matches the vin number.......Hope this helps.

first replace the termosthat if that dont works it is probely the waterpump that is doing it work poorly. lock if the elektrick fan is working to. Godd luck Hans

if you have installed new components to your car, make sure you are putting together the right polarity of each wiring which is positive to positive and negative to negative from the new component to the wiring harness of your car,
if you are testing for a short circuit , the reading is zero voltage dc
but if open circuit it is infinite when you are using a voltage meter. see manual of your vehicle to see the circuit diagram. then follow the positive sign( +) and that of the negative sign (-). when testing.
always set your meter voltage higher than the voltage produced by your vehicle which is 12vdc standard source.
when you turn on your radio to the best station but still you are hearing some interference or annoying sounds or noise, then something wrong with your connections,
double check the connectors you have connected like the RCA jacks ,auxiliary jacks, try to take them off first then try listening if it is clear sound coming from your radio station.
how did you know you have short circuit in your car??? ehat is your clue??? let me know. and what are the experiences you have encountered to determine exactly what it is

POSSIBLE FUEL REGULATOR

This can be done but with much modafication. not a wise idea

its sound like the solenoide in tranny is defaulting-check oil in master cylinder that maybe low
hope that helps

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put 12vdc to the two pins at the heater solenoid and listen for a click sound. that will test the solenoid motor. Unscrew the four screw and pull apart to check the rubber diaphram. Clamp off the hoses to minimize coolant loss. Sometimes they get stuck and the manual power that you put to them will free them up and start working again. The insert is available separately.

what you want is a customizing shop, start by getting some custom car magazines and look for an shop in your city in the ads page

Cable binding, do not press gas when starting, speed sensor on the wheel could have failed or be dirty, ASR module could be bad, upper engine wiring harness could be failing. Go to benzworld dot org or peachparts dot com for more specific help and guides.

petrol filter needs replacement, hoses also.

No, you will need to remove the pitman arm to access the seal.

Suspect idle control motor, although mass air flow sensor problems have sometimes been related to idle surge. Have pcm codes pulled for further diagnosis.

check coils

can you go through the trunk and open trunck from inside. or open hood and try to jump power to the starter hot eire and ground to engine turn key on and use remote to open trunk.......