Why is my Mercedes Benz W124 engine still running?
For most models, the problem started in 1993, however, it was earlier in the case of the M119 engine. Also, cars with the KE-Jetronic are unaffected. The components that could potentially malfunction because of a damaged wiring harness are fuel injection, starter, alternator, throttle actuator and the ECU.
What was the feature of the Mercedes Benz W124?
The most notable such feature was the addition of an oxygen sensor in the exhaust system which, in conjunction with a semi-electronic fuel injection system, could make the engine run more efficiently. This improved fuel consumption while simultaneously meeting stricter emission regulations.
Where is the fuel tank on a Mercedes 300sdl?
Kent covers removing a heavily contaminated fuel tank on a 126 chassis 300SDL and replacing it . The principles and procedures apply to almost all Mercedes with the fuel tank located behind the rear seat or in the case of the 107 chassis – the rear top well.
What happens to the fuel injection system in a Mercedes 190?
The fuel injection system has a mechanical fuel distributor, which is lubricated by petrol. When you switch to LPG, the distributor will be running dry and start wearing out. With a simple second generation conversion, there is a risk of gas explosion in the intake manifold, which has a large volume.
Are there any issues with the Mercedes W124?
Coupes tend to be most susceptible to leaky rear screens, which will in turn also let in water to the rear. Generally, it is fair to say that the W124 is bulletproof in this respect, and very high mileages can be racked up provided maintenance is kept on top of.
What kind of bushing does Mercedes W124 use?
No matter how well built a car is, suspension components wear, especially the rubber bushings that add a layer of refinement and the W124 uses a lot of them. Listen out for clonks or squeaks from the suspension that will point you to worn suspension bushes.
Is the Mercedes W124 the same size as the 190E?
Some might say it looks like a bigger 190E, which it does, but it still manages to have proportions that are just right. Underneath, it also shared the smaller car’s innovative multi-link rear suspension design.
Which is the bottom of the range Mercedes W124?
The bottom of the range was a 200, a carburetted 2-litre version of the four-cylinder M102, moving up to the fuel-injected 200E and the larger 230E.
What are the symptoms of a Mercedes W124 harness failing?
The typical symptoms of a failing harness are electrical errors, problems with starting the engine, poor running and rough idle. Before buying a 1992-1996 Mercedes-Benz W124, check if the harness has already been replaced. Otherwise, you will have to replace it yourself.
Are there any problems with the W124 E class?
Found in facelift models (220, 280, 320) the wiring loom biodegrades and yes, it will be expensive to fix. Head Gasket Failure. Symptoms such as oil leaks, foamy coolant and using a lot of water. Over Protection Relay Failing (OVP). Car will intermittently start and cut out as well as many other odd failures. Rust.
When did the Mercedes Benz wiring harness problem start?
Therefore, the cables close to the engine are ones mostly affected. The wiring harness problem affects Mercedes-Benz cars from 1992 until 1996. Both petrol and diesel-powered W124 cars are affected. For most models, the problem started in 1993, however, it was earlier in the case of the M119 engine. Also, cars with the KE-Jetronic are unaffected.
Why does my W124 230E cut off at start up?
Tapped the OVP and secured the new relay upon the advise of my electrician. It worked. One December morning, apart from the hard starts, I suddenly encountered, a very rough idle at start up. So rough that the engine will cut off whenever I turn on the airconditioning or release the gas pedal.
What makes Mercedes W124 E class hard to start?
Moisture in Distributor Cap. If left standing for weeks on end, moisture can build up inside, which makes the car hard to start and splutter. When replacing the distributor (and rotor arm), you should always stick to either Bosch or Mercedes parts. Rear Window Delamination. Coupes suffer from delamination and a milky colour appear around the edges.
Where is the rubber boot on a W124 230E?
There is a rubber boot on the bottom of the AFM that is between the AFM and the actuall throttle body. This tends to crack and is a $20 part, mine is actually starting to crack. If it cracks it lets air by the AFM and into the throttle body below.
What kind of engine does a Mercedes 124 E class have?
The engines in the 124 E Class varied from the M102.963 1996cc to a M119 5786cc but the majority of the W124’s on UK never saw engines bigger than a 3199cc M104 unless imported from Japan or had a custom conversion. The 124 E Class comes different variants such as the Saloon, Coupe, Estate, Convertible and Limos.
For most models, the problem started in 1993, however, it was earlier in the case of the M119 engine. Also, cars with the KE-Jetronic are unaffected. The components that could potentially malfunction because of a damaged wiring harness are fuel injection, starter, alternator, throttle actuator and the ECU.
The typical symptoms of a failing harness are electrical errors, problems with starting the engine, poor running and rough idle. Before buying a 1992-1996 Mercedes-Benz W124, check if the harness has already been replaced. Otherwise, you will have to replace it yourself.
When did the Mercedes Benz W124 4Matic come out?
Mercedes-Benz’s four-wheel drive system, the 4Matic was first introduced on the W124 in 1987. The estate cars (chassis designation S124) came in 5 or 7-seat models, the 7-seater having a rear-facing bench seat that folded flush luggage compartment cover and an optional (in the US until 1994) retractable cargo net.
Therefore, the cables close to the engine are ones mostly affected. The wiring harness problem affects Mercedes-Benz cars from 1992 until 1996. Both petrol and diesel-powered W124 cars are affected. For most models, the problem started in 1993, however, it was earlier in the case of the M119 engine. Also, cars with the KE-Jetronic are unaffected.
When did the Mercedes Benz 124 series come out?
From 1993, the 124 series was officially dubbed the Mercedes-Benz E-Class, and it was the first Mercedes-Benz type to be officially referred to as such.
What causes a Mercedes Benz to not start?
In most cases you will get a fault code related to one of the following: 1 ECM / PCM computer failure 2 Camshaft position sensor 3 Shifter Selector module 4 Fault codes related to driver authorization or immobilizer 5 Electrical problems
Why is the battery on my Mercedes Benz not working?
Hint: Starter Problem or Low Battery This may seem obvious, but an old battery is the root of many headaches and can cause all sorts of malfunctions on Mercedes-Benz cars. How old is the battery on your Mercedes-Benz?
What are the problems with a Mercedes Benz?
Top 5 Mercedes-Benz no start problems 1 Engine Click, No Start 2 Engine Dies Right After It Starts 3 Car turns over, but it won’t start 4 The car makes a clicking noise but won’t start. Hint: Starter Problem or Low Battery 5 Key will not turn the ignition More