Question about 1989 Mercedes-Benz 300-Class

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Fuel relay and fuse location 1989 mercedes benz 300ce

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 75 Answers

SOURCE: On my 1989 Mercedes Benz 300E there are 2 fuel

yes,that original set-up of mb,reason behind that,one pump working 100 percent to attain fuel press.while two pump working only 50 percent each,long use of two pump

Posted on Feb 18, 2009

  • 75 Answers

SOURCE: ABS Relay

hi,there are two possible location,inside the fusebox rear end or big control unit(multi-functional module)

Posted on Feb 20, 2009

taran_2005
  • 10515 Answers

SOURCE: need to locate fuel filter on 1989 mercedes benz

Hi,

The fuel filter is located on the right rear underside of the car, just ahead of the rear axel area. You need to remove the cover to find it. It is the large canister next to the electric fuel pump.

Thanks.

Posted on Jun 18, 2009

jasperoni
  • 203 Answers

SOURCE: 99 MERCEDES BENZ C230 AUXILIARY COOLING FAN RELAY

I thought they where either on the side of the core support(follow the wire harness and it should go to the relay). If not remove the fuse box lid and then take out the screws retaining the lid housing and you will find a series of relays. There will be one for high speed (engine uses this when temp. is to high) the other is a low speed relay(this is the climate control aux. fan relay) They may have fuses on top of them I know the older models did. I hope I have been helpful.

Posted on Sep 09, 2009

  • 3741 Answers

SOURCE: where are the fuse boxes located ofr my 2002

A 2002 S500 actually has 3 differant fuse boxes.
2 of them are located under the engine hood, they are both against the firewall in the back corners of the engine compartment. The fuse box on the drivers side of the firewall has most of the common fuses in it.
The last one is located under the rear seat. There is a access panel below the passengers side rear seat, just unclip the plastic panel from the top.
Fuse chart can be found in the rear with the spare tire tools.
This will help. Thanks please keep updated.please please do rate the solution positively .thank you for using fixya

Posted on Mar 18, 2010

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1 Answer

1989 Mercedes-Benz 300sel no power to the fuel pump to keep car running New fuel pump and inline filter,what can IT be?


Get car schematic and check components in line from the battery to the fuel pump such as fuses, relays, etc.

Nov 08, 2015 | Mercedes-Benz Cars & Trucks

1 Answer

Fuel problems


First start with the basics check fuses relating to fuel and or injectors make sure there is voltage next look into your crank sensor usually if it fails the computer doesn't know you are trying to start the vehicle because the signal the sensor is supposed to give out to the computer is not there due to a faulty sensor once the computer senses the signal from the crank sensor then the computer will send a command to the injectors to start pulsating gas let me know how this turns out for you.
.

May 26, 2014 | 1990 Mercedes-Benz E-Class

1 Answer

Where is the fuse box on a 1989 190D Mercedes located?


The fusebox is located under the bonnet at the rear of the right/hand wing, the lid unclips and has the fuse listing on the underside. Please make sure the lid is replaced correctly, as water will soon cause relay and fuse problems.

Jul 12, 2011 | 1989 Mercedes-Benz 190

1 Answer

Car would not start 300SE 1989, Were is the gas pump located and how it looks.? Should I try the relay or fuse first, how? Thanks God bless you


Yes try the fuel pump relay first, jumping it will tell you whether or not the pump is working. Though you should hear it turn on ( the fuel pump that is) turn you turn the key to the 'on' position.

Jun 24, 2011 | 1989 Mercedes-Benz 300-Class

1 Answer

My interior fan on my 1989 300CE just stopped working today. Is it as simple as a fuse for that?


sometimes it can be a fuse but not always. there are three components that usually cause the blower to stop working. 1-fuse 2-blower motor regulator 3- blower motor. The blower motor and the blower motor regulator both sit in the same housing under the windshield beneath the cowl cover. The blower motor fuse should be a single strip fuse by itself near the left shock tower.

Oct 08, 2010 | 1989 Mercedes-Benz 300-Class

1 Answer

Schematic for 1989 mercedes 300ce. want to replace AC relay switch


Relay isnt usually the issue. The Klima relay should be on the passenger side behind the battery. Also another relay is under the screwed down cover behind the fuses. Normally the comprssor will not engage due to low pressure or bad pressure switch on the drier. Could also be the speed gage integrated to the compressor. Leak of the freon is normal but f it comes out as fast as it goes or just fast then the evap in the dash is most likely bad.

Jun 24, 2010 | 1989 Mercedes-Benz 300-Class

1 Answer

Where is the fuel filter on a 1990 mercedes 300ce


Fuel filter is by the fuel pumps under rear passenger side of car. There is a plastic cover there. Also Look into your coil being bad, also wires, plugs cap and rotor. Ignition issues also can be caused by the OVP relay, the box with a fuse in it by the battery.

May 29, 2010 | 1987 Mercedes-Benz 300-Class

1 Answer

Mercedes 300ce Engine cuts out at any speed, even when ideling.


It sounds like a fuel delivery issue. Mercedes recommends replacing the fuel filter every 60k. If it has been longer than thast since the filter change start there. Fuel pump relays are another common problem on this era. They are located behind the battery. Remove the plastic cover and you will se 2 black relays( yours may have a mass relay if it is a 90 model year, it will have a plastic knob on top that you turn to the left to unsecure it) IT will say kickdown on it the climate control is the other relay and it will say klima. Look for signs of corrosion on the solder pins. If your fuel pump(located at the right rear) is very noisy when it operates I wouild recommend replacing it. During this era of Benz about the only way to diagnose this would be to run a bunch of fuel pressure tests and to drive vehicle with a meter on the relay and on the pump to see if the relay cuts out or the pump cuts out. I always recommend to do both pump and relay because they can cause one another to fail. good luck.

Sep 19, 2009 | 1987 Mercedes-Benz 300-Class

1 Answer

Car dies after about 20 minutes of driving,sputters slightly .


The fuel pump relay needs to be replaced. it is behind the battery and the fire wall.

Sep 11, 2009 | 1989 Mercedes-Benz 300-Class

3 Answers

Runs for 20 minutes, gets hot and shuts down. Still has spark


I had the same problem, took to a benz dealer, it was the fuel pump relay, cost for repair $200.

Jun 25, 2009 | 1989 Mercedes-Benz 300-Class

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