What causes a Mercedes SL Class R129 to over heat?
A stuck close thermostat will create over heating and if it is stuck open the engine will run too cool. If your overheating and one coolant pipe is hot and the other is cold you may have a bad coolant pump. A clogged radiator can cause overheating and a broken hose can leave you stranded.
What causes a car engine to run too hot?
Your cooling fan may be the problem. A stuck close thermostat will create over heating and if it is stuck open the engine will run too cool. If your overheating and one coolant pipe is hot and the other is cold you may have a bad coolant pump. A clogged radiator can cause overheating and a broken hose can leave you stranded.
Why does my Mercedes SL Class make a clicking noise?
Uneven tire wear and unusual handling in turns can be caused by worn suspension links. Check your rear rearward upper link. A light clicking noise from your rear suspension over bumps can be the result of worn sway bar links. Is your rear ride height lower than normal or do you want to install lowering springs?
Can a bad starter motor cause a Mercedes Benz?
You could have a bad starter motor. Mercedes Benz recommends flushing your brake fluid every 2 years, here is how! If your car is pulling to one side you may have a bad brake caliper. Here is how to replace your leaking brake lines. If you brake pedal is sinking you may have a bad master cylinder.
A stuck close thermostat will create over heating and if it is stuck open the engine will run too cool. If your overheating and one coolant pipe is hot and the other is cold you may have a bad coolant pump. A clogged radiator can cause overheating and a broken hose can leave you stranded.
Uneven tire wear and unusual handling in turns can be caused by worn suspension links. Check your rear rearward upper link. A light clicking noise from your rear suspension over bumps can be the result of worn sway bar links. Is your rear ride height lower than normal or do you want to install lowering springs?
Why is the push start on my Mercedes not working?
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. Push Start or unlocking the car by pressing driver’s door handle stopped working.
Why is there water in the trunk of my Mercedes?
Removing the plugs from the module showed that the contacts had started to corrode and water was present at the connection. This was all caused because the trunk drain plug was clogged. The plug is designed to allow any water to drain. The rubber plug can easily get clogged by dirt and trash.
What to do if your Mercedes SL350 boot wont open?
put the key in boot lock and turn quarter turn clockwise and tha pull the lever with the key in place it should open. hi, thanks for reply, and yeah have tried that and nothing happening If locking has failed due to a minor air leak you may be able to briefly restore operation by removing the fuse for the pneumatic systems pump and reinstalling it.
What causes a Mercedes Benz SL500 to stall?
Tap the to learn more about the most common Mercedes-Benz SL500 problems. The engine may stall when the engine is warmed up. The AC compressor may seize resulting in loss of cold air from the AC vents. There have been some issues reported with the electric sliding doors. Ignition switch failure may cause the car to stall or fail to start.
What to do if your Mercedes soft close is not working?
First step in repairing this is to scan the car and find out what vacuum branch is causing the leak. The PSE controller will narrow it down to one or two or three lines. Once the leak is isolated electronically, you can verify it with a manual vaccum pump. All lines should hold vacuum.
Where is the locking pump on a Mercedes SL350?
The locking pump is a rectangular black box with yellow and black pipes comming out of it. The pump for the roof is located either above or below (depending on the year of manufacture) the locking pump in the same part of the boot, but looks very different.
Is the Mercedes SL500 running too hot in hot weather?
Thanks guys. The auxiliary fans in the M119 engine come on at 107C and 115C (I believe). There is also a pressure switch that activates the fans based on A/C refrigerant pressure. So – in hot weather your car running around 100C with the A/C on is not abnormal.
Is it possible for a Mercedes Benz to overheat?
On especially hot days, even the most cared-for vehicles are susceptible to overheating. Mercedes-Benz is known for their luxury vehicles and tough engineering that can withstand serious tests. Unfortunately, even a Mercedes can overheat in the middle of a country road, leaving you stranded.
What’s the best engine temperature for a Mercedes Benz?
Running it at, say 85F or so, allows much better performance as compared to 105F. Mercedes specs your engine to meet all performance specs at 80C. So, personally, I like to see the car’s engine run at close to 85C as I can get.
Is the 1996 Mercedes Benz SL500 running too hot?
1996 SL500. Had some overheating issues and had my thermostat replaced at the dealers yesterday. Seems like it is running hotter than it did before this problem, but then again yesterday was 90+ degrees and I was in stop and go traffic.
On especially hot days, even the most cared-for vehicles are susceptible to overheating. Mercedes-Benz is known for their luxury vehicles and tough engineering that can withstand serious tests. Unfortunately, even a Mercedes can overheat in the middle of a country road, leaving you stranded.
Running it at, say 85F or so, allows much better performance as compared to 105F. Mercedes specs your engine to meet all performance specs at 80C. So, personally, I like to see the car’s engine run at close to 85C as I can get.
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 …
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
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.
When to replace battery in Mercedes SL Class R129?
Replace your battery if it is 5 to 7 years old. A slipping drive belt will squeal and a broken one will leave you stranded. Check your drive belt. A broken drive belt tensioner is just as bad a a broken accessory drive belt. Is your car running a little hot in traffic?
What happens to the hydraulics in a Mercedes R129?
The original seals in the hydraulic cylinders, aka rams or actuators, will eventually fail in every R129, unless it gets wrecked prematurely, even if you never drive the car or have never used the top before. Rebuilding these cylinders is NOT a matter of changing o-rings. Every R129 cylinder has one o-ring, and those rarely ever fail.
Can a Mercedes Benz convertible top hydraulic cylinder rebuild?
Top Hydraulics’ rebuild service is a true upgrade, since the rebuilt cylinders will last much longer than the originals under the same conditions, and a design flaw gets eliminated from the otherwise excellent hydraulic system. The hydraulic lines are not detachable from the cylinders.
Are there hydraulic top cylinder seals for Mercedes SL R129?
Rebuilt Hydraulic Top Cylinders and Convertible Top Cylinder Seals for Mercedes SL’s – R129 + Hard to find MB parts Upgraded Mercedes engine wiring harness Home convertible hydraulic top cylinder seals Copyright © 2014 cpi inc.
What was the price of a 1996 Mercedes SL 320?
Used 1996 Mercedes-Benz SL-Class SL 320 Roadster 2D Prices | Kelley Blue Book See pricing for the Used 1996 Mercedes-Benz SL-Class SL 320 Roadster 2D. Get KBB Fair Purchase Price, MSRP, and dealer invoice price for the 1996 Mercedes-Benz SL-Class SL 320 Roadster 2D.
When did the Mercedes Benz SL600 come out?
These kits are designed for Mercedes R129 years: 1993 – 2002 Mercedes-Benz SL280 1990 – 1993 Mercedes-Benz 300SL 1990 – 1993 Mercedes-Benz 300SL 1994 – 2002 Mercedes-Benz SL320 1990 – 1993 Mercedes-Benz 500SL 1994 – 2002 Mercedes-Benz SL500 1993 – 1993 Mercedes-Benz 600SL 1994 – 2002 Mercedes-Benz SL600
Can You rebuild top hydraulics on a Mercedes R129?
Rebuild/Upgrade Service for convertible top hydraulic components on Mercedes R129 models 280SL, 300SL, 500SL, 600SL, SL320, SL500, SL60, SL600, SL73. Top Hydraulics’ cylinder rebuild service is widely known as the best possible option, even if you are an excellent Do-It-Yourselfer.
Is there a problem with my Mercedes cla250?
Call your dealer immediately and limp the car there… I have been driving my CLA250 without any problems since the last 11 months, and have a little over 12.5k miles on it. But today a strange thing happened. I started the car, engaged the Sport mode and drove for 1-2 miles when the car stopped accelerating smoothly.
When did Mercedes Benz stop making SL Class cars?
The SL-Class roadsters are not galvanized. Mercedes-Benz started galvanizing their cars only in 2003/2004, while the production of the R129 model stopped in 2001. Still, the R129 SL-Class cars seem to hold up quite well when compared to other Mercedes-Benz cars from that era, for example, the W202 C-Class or the W210 E-Class.
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.
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 should I do if my Mercedes Benz won’t start?
Start the car and you should be able to get around 60 psi. When the engine is running and when you turn off the engine the pressure should stay steady. Always perform this test on a cold engine. Next, make sure that the fuel injector connections are secure and not loose. Check the fuel pump and the fuel pump relay.
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. Push Start or unlocking the car by pressing driver’s door handle stopped working.
What causes a Mercedes Benz to not move out of Park?
If the shifter on your Mercedes-Benz will not move out of park, the first thing your should check is the battery. Once you confirm the battery is fully charged the two most common problems are a defective brake light switch or a shifter module is damaged.
Why is my Mercedes car not turning off?
This particular Mercedes is equipped with park assist sensors. The system would start to beep as if you were approaching an object yet there was nothing near the car. Last but not least, the issue with this Mercedes was the engine not turning off when the key was removed from the ignition.
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
What’s the problem with the Mercedes Benz SL?
Unusually, though corrosion is not a big problem on these SLs, later cars are more prone; there are dark mutterings that, after merging with Chrysler, Mercedes was cutting costs… All are laden with electric and electronic trickery, increasingly so on later and higher-spec models.
What’s the fuel pressure on a Mercedes Benz?
A great and affordable gauge that we have used in the past is this Actron Fuel Pressure Gauge which works on Mercedes-Benz cars. Turn the engine off and connect this gauge to the Schrader valve test port shown in the picture below. Start the car and you should be able to get around 60 psi.
Why is my Mercedes SL500 blowing hot air?
When the air conditioner in your 1998 Mercedes-Benz SL500 starts blowing hot air, you likely have a freon leak. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system.
How to add Freon to a 1998 Mercedes-Benz SL500?
How to add freon to your 1998 Mercedes-Benz SL500: hook up the can of refrigerant (likely r-134a) to the low pressure port. When your compressor kicks on, add freon to the correct pressure. In addition to cooling, freon lubricates the compressor when it runs.
What kind of a / C system does Mercedes SL500 have?
The A/C system in your SL500 consists of a compressor that is belt-driven, an evaporator and freon. If there is a problem with your compressor or evaporator, adding freon will not restore cooling.
When does the coolant light come on in a Mercedes?
The coolant light will not indicate an overheating engine, it will only indicate a low coolant level. My ’95 C280’s light came on aswell, and it looks like it will come on when the coolant level reaches just under the “HALF” way mark on the overflow tank.
When does the low coolant level light come on?
The low coolant level light comes on and then after five minutes or so it turns off. Engine temperature has not crossed over 100 degrees Celsius and the water/coolant level in the coolant reservoir is full.
The coolant light will not indicate an overheating engine, it will only indicate a low coolant level. My ’95 C280’s light came on aswell, and it looks like it will come on when the coolant level reaches just under the “HALF” way mark on the overflow tank.
When does the low coolant level warning light go out?
When you start the engine, the low coolant level light should come on for a second or two and then go out. If it doesn’t go out, either the coolant level is too low or there is a problem with the sensor system.