Mercedes-Benz 190-Class - Recent Questions, Troubleshooting & Support - Page 8

it may be a faulty relay

MOST LIKLY SMALL CLIP CAME OFF ONE OF THE RODS IN THE DOOR OR THE LATCH HAS WORN OUT ,ANY WAY THE DOOR HAS TO BE TAKEN APATY TO ACCESS THE CAUSE

could be worn clutch bad slave cylinder or cable

can not start good

rbbnsent: Let me see if I can help you.Fird, your vacuum lines are color coded if you look closely. As they age, some of them get difficult to differentiate from. One place where you can positively ID them, is where the line has not been exposed to the elements. That is where they have been inside a vacuum hose.
Ready?
Starting off, the vacuum line which shuts off the engine is a brown/blue line it goes to a diaphragm that has the fitting facing parallel to the pump body (runs parallel to the ground) Hook the line into the diaphragm.
Next, you have a vacuum hose which has a check valve on it.
Connect this one to the fitting which runs straight up.
There should be a white line near by. Hook the line up to the fitting just behind the one you just hooked up.
There should be a Black line going into the back of the pump.
Alright, coming off the vacuum pump, you have a fitting which should 4 lines excluding the vacuum source.
Now the vacuum source should have a check valve in line with it.
The following colors should be going into this "T"
White, white/blue, green, white/black.
Going back to the injection pump: Coming off the line which had the check valve, one direction is white/violet/brown and the other direction which heads off in the same direction as the front of the motor, is black.
The Black line coming out of the back of the pump hits a "T" which goes to a check valve and it hits another "T"
Coming off the side of that "T" is a white/green
I'm pretty sure, I have far exceeded the number of vacuum hoses which you found disconnected.
I hope I have answered you question thoroughly.
I happen to drive a Mercedes Diesel (81 300TD wagon) I love it!
Let me know how you make out. Mercedes Diesel are a specialty of mine!

Relay should be behind fuses under a screwed down cover. My question to you is why would you think the relay is bad? Check voltage at the pump as someone turns the car to on. At this age it's most likely a dead or dying pump. Other things to consider are OVP relay (behind the battery) , coil dead, general tune up ie plugs, wires, cap and rotor.

there are 2 fuel pump relays on the mercedes so it is unlikly that they have both gone on it....check your over voltage relaytell me what happens
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front or back back there are 4 bolts in the corners in the tyre well the front is a bit more of a fart on there are bolts behind the indicators you will have to remove the indicator lences to access these and a few under the front of the car

most of them are 60 liters

could have damaged the ecu with the back lash of the battery termanals the fouling of the plugs there is a rubber seal at the bottom of the spark plug resess its part of the rocker box cover these could be leaking causing the plugs to be coverd in oil

its probable the viscos fan not working properly does it over heat only when its standing still but is ok when its moving if this is the case its the rad cooling fan

those are 99% CV joints.also check tie-rods and anything that attaches to the hub, but I'm 99% sure its the CV shafts. Find out which side is worse. that the bad shaft.