20 Most Recent 1993 Mercedes-Benz 190 Questions & Answers

Check to see if your car's brake lights are working. If they aren't, it's your brake light switch located on your brake pedal.

The car needs to "sense" that the brakes are being pressed in order to release the shift lever.

Brake light switches are a pretty common failure item.

Make sure to get a Mercedes switch, the other brands are even more problematic.

Hope this helps.

Please take a look at your Engine's RPMs when this is happening and let us know, as it will help with the diagnosis. If the Engine RPM is stable (not high during the periods of the racing engine sound), then it sounds like your Radiator Fan clutch may be going out. The noise you are hearing is the fan kicking in and blowing a lot of air, which in turn sounds like the engine is racing. If the RPMs are increasing with the racing engine sound, it could be the transmission/(clutch if manual trans) slipping. Hope this helps!

Could be, but I would check your engine wiring harness as MB was forced by the US to use a biodegradable insulation on the wiring and with heat starts to crack and fall apart. Also check voltage regulator on the alternator and your coil.

Hi you need to find out if there is fuel getting to the cylinders,take off ht leads so the car wont start then crank it over a few times and pump the exselleration peddle a few times,now pull each spark plug out in turn and check to see if they are wet with fuel,if not you will have to check from petral pump to cylinder where the problem might be,best of luck.

starter could need to be replaced just getting to week

Go to the following link and the first photo shows the belt routing. I hope this helps as I know changing the belts on these vehicles can be a major pain in the neck. Pelican Mercedes Benz Tech Article Mercedes Benz Drive Belt Replacement...

Check your fuel pump relay ,situated behind the battery next to the ABS and engine ECU it a small black box (not the one that says Klima)

Left rear corner of engine compartment.

Both mechanics mentioned the problem in the same general area, the timing chain rotates the cam shaft that opens and closes the values. I don't know much about your car but assuming it is a 1993 with a lot of miles my guess is that it has a metal timing chain, if so then it could be time to replace it. Metal timing chains (just about all types of timing chains for that matter) stretch and wear over time. I've seen metal chains stretched an inch with less than a 100,000 miles. However, if you are going to do that much work, it you think that might be the problem, then probably it would be worth doing a complete head job. I'm afraid without a lot of expensive diagnostic work auto repair can sometimes be a guessing game. Or find some real expert who has seen all the problems for your type of car.

is it auto or manuel have you tried topping up the gear box oil it sounds to me as if there is not enough in it when you go down hill the oil is going to the sender unit in the box thats if its an auto which in turn lets the gears change

Need to see if you have spark at the spark plugs. Then check fuel pressure at the engine. Do you hear the fuel pump run a few seconds when turn the key on (without cranking)? If you don't hear ir running, could be pump, relay, fuse.

Pull roof lining off.

Did you or previous owner remove any heat shields near the fuel line? Vapor lock can occur if the fuel is being heated.

there should be an electric water pump exclusively for the heater. on these 201 body cars it should be under the hood, on the passenger side,near the fender well. when the heater is engadged, this pymp should turn on pushing the hot water into the heater core. if these are not working, it will obstruct the water flow.

what fuel is it.