What was the problem with the ASR on my 1992 500SL?

I started having a problem with the ASR system on a 1992 500SL. I was driving on the highway when the ASR sensor light came on and the car defaulted to a “limp home mode”: The engine output power was reduced and I was able to make almost home; after stopping at a red light the battery light came on and the car completely stalled.

What does ABS Bas ASR light on Mercedes mean?

What do ABS BAS ASR lights mean? If any of these lights turns on and stay ON once you start to drive the car it means there is a problem with one of the following systems or related sensors. Step 1: Ensure that the main battery on your Mercedes-Benz is holding a proper charge. Mercedes-Benz cars are very sensitive to low voltage.

What causes the ASR light to come on on a Mercedes 500SL?

Everything pointed to the Electronic Accelerator Actuator (that checked out okay as well). After discussing the past few months with the car, we established that my problem was moisture in the R25 sensor (throttle positioning sensor) causing the ASR light to come on and the engine to go into the LH mode.

What happens when the ASR light comes on?

I was driving on the highway when the ASR sensor light came on and the car defaulted to a “limp home mode”: The engine output power was reduced and I was able to make almost home; after stopping at a red light the battery light came on and the car completely stalled. I restarted the car and the ASR light was off and the car drove normally home.

How much does it cost to fix an ASR problem?

Two motors relating to the ASR system were replaced by the service shop: ($ 1,500 Parts & Labor). The car was running fine for three months then the ASR problem returned. The repair shop then replaced the ASR sending unit: ($ 680.00 Parts & Labor).

Why is my ASR not working on my Mercedes 500SL?

All the wheel speed sensors checked out fine. If you are experiencing any ABS issues in addition to ASR, either the brake switch (separate from the brake lights)or one of the speed sensors could be intermittently failing. I have also seen a few threads with regard to low voltage causing similar problems which could be weak charging issue.

How to get and erase ABS trouble codes?

Our mission is to provide you with information that can help you solve your car problem quickly. How to Get and Erase ABS Trouble Codes! An error occurred while retrieving sharing information. Please try again later.

What kind of engine does a Mercedes 500 SL have?

4) in 1992 the model with 2-door convertible body and V-8 4973 cm3 / 303.9 cui engine size, 235 kW / 320 PS / 315 hp (ECE) of power, 470 Nm / 347 lb-ft of torque, 4-speed automatic powertrain offered since September 1992 for Europe .

What are the symptoms of limp home mode?

The most common symptoms of limp mode are check engine light, reduced engine power, RPM limit, or stuck gear. Here is a more detailed list of the most common symptoms of limp home mode. 1. Check Engine Light The check engine light is the first thing you will notice on your dashboard when the car is in limp mode.

How to get a car out of limp mode?

Once you restart the car after effective reconnecting, the limp mode would deactivate on its own. This is one of the most useful criteria when it comes to how to get a car out of limp mode. 4. Scrutinize Automatic Transmission Fluid The leak in the automatic transmission fluid is considered as one of the common reasons behind limp mode activation.

How much does it cost to fix limp mode?

How much does it cost to fix limp mode? The limp mode can be caused by many vehicle problems, which also means it can cause many repair costs. Usually, you can expect a repair cost of 50$ to 500$, but sometimes it can be way more expensive if you are unlucky. Can low engine oil cause limp mode?

What can I do about my 1995 SL500?

This video is for a ’95 SL500. Victor will repair or rewire the ETA complete with harness for a very reasonable price if you want. He also can repair / rebuild most other parts such as the engine wiring harness, closing assist pump and most other systems in the car.

What causes a sprinter to go into limp home mode?

This is common condition with a few common causes. If you have an Sprinter with the 4-cylinder engine (OM651) see this article about a common issue on this engine that causes Limp Home Mode. Low power – enough power to get to 50 mph in some cases, but not to keep that speed up a hill.

What to do when your Mercedes goes into limp mode?

You may also get a check engine light if your transmission goes into limp mode. When a Mercedes-Benz goes into limp mode, it only operates in second gear and reverse only. When you put it in gear, you may also feel a bang as transmission engages. The first thing you should try is to check the transmission fluid level.

Where is the ASR off button on a car?

ASR Off Button ASR is featured on certain car makes and models such as Fiat 500, Skoda, Mercedes, VW, Audi, Isuzu, Alpha Romeo. You may notice on your dashboard or center console an ‘ASR OFF’ button. Press this button to deactivate ASR.

Is there a problem with the ASR on a Mercedes?

I guess that if you own a Mercedes, you will at some time get that problem! The ASR problem seems to occur in two distinct ways: It can occur while driving and gives the driver quite a start! The car goes into the LH mode (will be described later) and the accelerator pedal does not respond as before. It’s quite a ‘trip’ to drive the car.

When does the ABS / ASR light come on?

Hi I have just joined this forum hoping to get some direction on my problem.I have a 1991 500sl with acceleration slip regulation (ASR). My problem is that the ABS/ASR light comes on when driving approx.30metres and stays on.This started ocuring after I had the vehicle serviced which included a brake check.

Is there a problem with the ASR system?

The ASR system has a tester that the dealer can read out to get the fault code. (In addition, I’m not aware there being two motors related to the ASR system… only a hydraulic control module.) I recently purchased a 97 SL320 that had an ASR fault and the problem was a relativley cheap brake switch.

What are the warning lights on a Mercedes Benz?

The following are warning lights and indicators found in vehicles built by Mercedes Benz. Click a link to learn more about each one. They are roughly ordered by importance, which tends to be by color (red, amber, yellow, orange, green, blue, gray), but there are over 40 of them so be patient!

When did the Mercedes SL Class SL 500 come out?

No accident or damage reported to CARFAX… 1st owner purchased on 02/05/03 and owne… Last serviced at 77,970 miles in Hackett… 1st owner drove an estimated 0 miles/yea… No accident or damage reported to CARFAX…

Is there a 1992 Mercedes Benz 500 SL?

Yes | No 1992 Mercedes-Benz 500 SL Specs & Features Based on lowest-priced style. Safety information is currently not available for this vehicle. Please check back in the future.

When did the Mercedes SL500 R129 go away?

They used a little less fuel than the first four speed automatic SL500s. By 1996 the new 5 speed transmission increased the fuel economy of the V8 SL500 to within 1 or 2 MPG of the SL320, thus the SL320s went away in 1998. Today you can get a beater early 1990’s 300SL for about $10,000.

When did the SL500 body style come out?

This R129 body style SL500 was made from 1990 through 2002. It was called the 500 SL from 1990 – 1993. They all have just about the same suspension regardless of year or package. The “sport” packages are just trim and tires, not suspension, engine or drivetrain.

What was the best thing about the Mercedes SL500?

They lost of one of the best things about the SL: the smooth unlimited power of the V8. They used a little less fuel than the first four speed automatic SL500s.

Why does my Mercedes Benz ABS light keep coming on?

If any of these lights turns on and stay ON once you start to drive the car it means there is a problem with one of the following systems or related sensors. Step 1: Ensure that the main battery on your Mercedes-Benz is holding a proper charge. Mercedes-Benz cars are very sensitive to low voltage.

When did Mercedes Benz start using 5 speed transmission?

The 5-speed transmission that was used between 1995 up to 2008 is one of the best transmission ever built. Now let’s see if we can help you troubleshoot your transmission. By continuing to read this article you agree to use this information at your own risk. Top 5 Mercedes-Benz Transmission Problems.

Why does my Mercedes Benz hesitate to accelerate?

-Air filter and throttle body are clean. -I haven’t changed the MAF in the 2 years that I’ve owned the car, and i tried running the car with the MAF unplugged; the problem was the same except now the idle was constantly low and rough. The problem is slowly getting worse. I’m contemplating ordering a new MAF or maybe a set of new coils..

Are there brake light switch problems in Mercedes?

This is a common problem on Mercedes-Benz models E-Class, C-Class, S-Class, CLS-Class, ML-Class, CLK-Class and other. Too many to list here but the most frequently defective brake light switch problems are seen with E 320 C 240 CLK 500 ML 320 ML 350 S 430 to name a few.

What to do if your Mercedes SL Class R129 is running rough?

Check your charging system. If your engine is running rough and misfiring you may need to change your cap, rotors and wires. If your valve cover gaskets are leaking we will show you how to replace them. Engine running lean/rough. Maybe you have a vacuum leak. If you engine is only running on one bank of cylinders you may have a bad coil.

What was the problem with my Mercedes 500SL engine?

Made it home and a friend, who owns a used car lot, suggested that I driver the car to his mechanic’s house (the mechanic, though not experienced in MB engines), thought it was coming from the top of the engine. Oil pressure was fine, and the engine was running smoothly, albeit with the noise.

When did Mercedes Benz stop using engine wiring?

Inspite of all the myth and glory surrounding the brand, it may shock you to find out that between 1992 and 1996, virtually ALL Mercedes-Benz produced, from the cheapest to the opulent, were equipped with certain engine wiring components that disintegrate over time. The wiring insulation under the hood cracks and falls apart.

Are there any electrical problems with a Mercedes Benz?

Recently we have been working on a Mercedes-Benz with some major and unexplainable electrical issues. The problem started with the Keyless Go feature. The key would unlock the car via keyfob and start it by inserting the key in the ignition. But Keyless Go stopped working.

What kind of wiring does Mercedes 92 500SEL use?

On 92 500SEL I used heat resistant wiring, heat shrink tubing, friction tape, epoxy. The job was very labor extensive and took me around 8 hours. Some plugs could no be saved as plastic was very brittle. Metal contacts were reused and new wires soldered directly to them. Finished harness looked close to factory and worked without any flaws.

Why is my ASR not working in my car?

But the ASR system is tied to all of the electronic systems (EA and LH-SFI) in the car, so everything needs to be working otherwise the car is forced into the “limp-home” mode (LH). Recently, my car developed this problem and this thread is documented as it happened in a daily time format.

What was the ASR code on my 1995 Mercedes SL500?

The ASR system in my 1995 Mercedes SL500 has been activating for no apparent reason. My mechanic found Code 030 ASR CAN Mercedes The ASR system in my 1995 Mercedes SL500 has been…

What causes check engine light on Mercedes Benz?

Fortunately Mercedes-Benz of Houston Greenway is here to help you figure out what might be wrong, and what your next steps should be. Below we have highlighted the most common causes of a check engine light. Loose Gas Cap: Your gas cap is loose, broken, or simply missing.

Is the adaptive damping system on a Mercedes 500SL?

Adaptive Damping System (ADS) Hydraulic Suspension on a 1991 500SL… help… … Hi. I just received a 1991 500sl from Japan, it appears to have hydraulic suspension (extra reservoir under the hood, and an extra button next to the headlight switch). The car has no shock absorption whatsover – it appears to be riding on the springs.

What kind of suspension does a Mercedes 500SL have?

I just received a 1991 500sl from Japan, it appears to have hydraulic suspension (extra reservoir under the hood, and an extra button next to the headlight switch). The car has no shock absorption whatsover – it appears to be riding on the springs. I’m guessing the hydraulic suspension is not functioning correctly.

Why does the ASR light go off when I stop the car?

2) The ASR light comes on, tachometer indicates 1000 rpm but can drive the car even though it’s in the Limp-Home (L-H) mode. 3) If the ASR is on, drive for 5 minutes or so, stop, re-cycling the ignition and the ASR light will go off and STAY off until I stop the car and let the heat build up in the engine compartment.

Is there an ASR problem on my S500?

All readings ok: 120 ohms across the bus and continuity to all modules on the bus. After re installing the modules, which had all cooled down, the car was started, NO ASR lamp. Ran perfectly. Drove it for about 20 minutes, parked it in the sun (yesterday in SD, it was 95degs).

Navigation