What are the problems with a 1991 Mercedes 500SL?

What are the problems with a 1991 Mercedes 500SL?

Top 1991 Mercedes-Benz 500SL Problems 1 Bad Switch/Blower Motor Resistor Assembly May Cause Inoperative Heater Blower Motor 13 people have reported this 5 2 Hard/soft Tops May Develop Problems Due to Age 11 people have reported this 5 3 Transmission Oil Seals May Leak on High Mileage Vehicles 8 people have reported this 2

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 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 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 …

When does the ASR light go out on a Mercedes 500SL?

The ASR Light will come on if the battery output level is below 11 volts when starting . What i did was to start the car and let it idle for 5 mins , switch off and start her again ASR Light went out and didnt come back on. Also if you dont run the car for at least 15 mins every 2 days , the battery will go flat.

Why is my VAC pump not working on my Mercedes 500SL?

Disconnect the vac pump and have a look inside , you may well find that water ingress has corroded the contacts on the circuit board , thus causing a short circuit.This will affect both the alarm system and the operation of the soft top as the all are linked. You will haver to replace the vac pump if this is case ( cost about $450.00).

How long does a Mercedes 500SL battery last?

ASR Light went out and didnt come back on. Also if you dont run the car for at least 15 mins every 2 days , the battery will go flat. Expect to get about 2/3 years of battery life before renewal is required. Hope this helps. Shaz. Did you find the recommended reading relevant to this discussion?

Why is my convertible top not working on my Mercedes SL500?

Start the vehicle’s engine, and let the car run while you open or close the hardtop. The hardtop does not operate if the car’s battery voltage is too low. Wait 10 minutes before trying to operate the hardtop again.

Is the Mercedes Benz SL Class corrosion resistant?

With no galvanizing process, and coupled with steel that wasn’t very corrosion resistant, the 1990s Mercedes-Benz cars are very susceptible to corrosion. When buying a Mercedes-Benz from that era, inspecting it for rust should be one of your top priorities.

What kind of engine does the Mercedes SL500 have?

During production, Mercedes changed from the 24-valve, twin-cam M104 straight-six and 32-valve quad-cam M119 V8 to the 18-valve single-cam-per-bank V6 and 24-valve quad-cam M113 in ’98. Some power outputs were marginally down, making the 1995-’98 five-speed auto SL500s the most sought-after of the standard cars.

How many Mercedes-Benz 500sls do I have?

My i1991 Mercedes-Benz 500SL is my sixth Mercedes-Benz SL. I have owned five of the 1973 – 1989 SL styles; three 450’s, one 280 Gray market and one 560. They were all great cars and I always enjoyed their rides. I trade cars once a year (my weekend car-that is). This is the first of the newer style SLs that I have owned.

Start the vehicle’s engine, and let the car run while you open or close the hardtop. The hardtop does not operate if the car’s battery voltage is too low. Wait 10 minutes before trying to operate the hardtop again.

With no galvanizing process, and coupled with steel that wasn’t very corrosion resistant, the 1990s Mercedes-Benz cars are very susceptible to corrosion. When buying a Mercedes-Benz from that era, inspecting it for rust should be one of your top priorities.

Is there check engine light for intermittent stalling?

Many times, there will be no check engine light and no fault codes to give you a clue as to what might be causing the engine to stall. So the trick to diagnosing an intermittent stalling problem is to catch the vehicle when it’s acting up — and that rarely happens when you have the vehicle in your shop.

Why does my car stall at highway speeds?

The engine may start and idle fine, but run out of power or even stall at highway speeds. If the engine starts right back up after stalling, the likely cause is low fuel volume delivery because of a weak pump. If the engine is running normally one minute, but suddenly quits, loss of ignition may be the problem.

Can a stalling engine be intermittent driveability?

Intermittent driveability problems of any kind are always a challenge to diagnose. When a customer brings you a vehicle and complains of a stalling problem, you may not have much to go on other than their description of what’s happening and when it happens.