20 Most Recent 1989 Mercedes-Benz Mercedes Benz 500 Class Questions & Answers


at rear of engine ,flywheel 5mm allen key or 10mm socket

1989... | Answered on Dec 30, 2013


Yes, you can install standard shocks, like
http://www.amazon.com/Bilstein-Shock-1985-MERCEDES-B46-1184/dp/B0007M3VW0

1989... | Answered on Jun 06, 2011


Suggest replacing motor mounts. Huge failure probablility at your age of MB.

1989... | Answered on Sep 27, 2010


http://www.youtube.com/watch?v=FpcrnlrZ41k

Check the video in the above link and see if it is helpful for you...

1989... | Answered on Sep 20, 2010


Not familiar with your Merc. This is general info. My porsche has a mecanical belt tensioner down low under the engine off the ground. Toyota has a spring charged piston pushing a belt tensioner wheel. Most other cars I've worked on had a pivoting alternator. If your car has a flat serpentive belt then it probaly has a spring loaded tensioner. If it has Vee belts then something sets the tension mechanically at install. Good luck!

1989... | Answered on Mar 17, 2010


Suspected vacuum leak on intake, Or MAF sensor acting up up if throttle body injection.

1989... | Answered on Jun 16, 2009


hello I',m an M.B. tech. These becker radios can be difficult if the wrong code is entered( i believe 3 times ina row) and go into security lock. if you enter code and it does not work remove radio and get serial number of and call dealer. The way you enter 4 digit code is by entering the number with the station program keys on the top of the face plate . then after code is entered you press the * symbol and it should start working. There is a becker web site that can also assist you with radio problems it is www.beckerautosound.com . good luck

1989... | Answered on May 26, 2009


For 1984 Mercedes Benz 500SEC 5.0L FI 8cyl I find this...


9645518.jpg

Fig. 14: Emission hose routing and components 1984 V8 models


Hope helps.

Mercedes-Benz... | Answered on Oct 12, 2017


On some cars, BMWs in particular the water is circulated in the heating system. Also some cars will continue to run the cooling fan. It turns off after a few minutes.

Mercedes-Benz... | Answered on Nov 21, 2015


Neutral safety switch, if it starts in neutral.

Mercedes-Benz... | Answered on Aug 23, 2015


The easiest fix is to hook up a scanner on the suspension test plug. This will give you a test to each sensor. Some models may even record a history of performance.

Underneath the car, someone can use soapy water and spray the air lines and suspension bags to test for leaks. There are venting solenoids on each wheel to level the car and a Master solenoid called a "dump" valve to release all of the air

The system is tied into the doorjam and trunklid switches which must be closed to allow the system to work. Escaping air should be easy enough to find.

Mercedes-Benz... | Answered on Jun 19, 2015


go to your library and get an auto repair manual . go home and read it real good .brakes and wheel bearings are 2 things I would leave to a real good mechanic

Mercedes-Benz... | Answered on Feb 18, 2015


There should be a fuse chart in the trunk of the vehicle where the tools are. Lift up the carpet in the trunk to expose the tools. It should be all folded up and stuffed in with the tool to remove the lug bolts. The chart will show the fuse and fuse box locations.

Mercedes-Benz... | Answered on Jan 03, 2015


Sounds like you have too much fuel going to the injectors. Your car has a CIS fuel injection system that relies on mechanical inputs do decide how much fuel to send to each injector. One of two things has likely happened. Either the plunger in the bottom of the fuel distributor is stuck up, or the diaphragm in the fuel distributor is broken. The first is easy enough to check if you can get the fuel distributor(the aluminum block on top of the engine with all of the fuel lines coming out of it) out. The plunger comes out of the bottom center. You should be able to push it in and watch is slowly spring back out. If not it needs to be removed and cleaned, but that's not just a straightforward job. Look online for videos on fuel distributor repair to decide if you want to tackle this. Diaphragm failure is harder to diagnose. If you get there it might be best to look for a rebuilt fuel distributor. A third possibility is that the fuel return line from the fuel distributor back to the tank is clogged, you should be able to easily push air through the line into the tank after you remove the fuel filler cap. Good Luck.

Mercedes-Benz... | Answered on Oct 31, 2014

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diagram 500 sec engine

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