Why does my Mercedes C320 radiator keep running?
The radiator cooling fan on my 2000 petrol C320 has just started constantly running even when the engine is cold. No messages on dashboard and I rarely have the A/C on. My MB dealer said the fan was faulty so replaced it but problem remained so original one put back. Now they say the ECU must be faulty and have ordered a replacement.
Is the radiator fan in a Mercedes overheating?
Its as if the fan is running full blast like the car thinks its overheating however the engine cannot be overheating as it happens immediately upon startup. I’ve checked the water level and it’s fine no other problems an engine runs fine.
Why does my C320 CDI sport fan keep running?
New to the club guys but my C320 CDI sport has just developed a loud and constantly running engine fan. It stops when I turn off the engine but when I turn it on – it kicks in after 10 – 15 seconds. I have booked in but I worry as the MB garages are overly expensive…
What to do if your radiator cooling fan Wont Stop Running?
Remove the lid. Look on the inside of the lid and for the mapping of the fuses and relays with their location. Pull the cooling fan relay out of the box. Replace the cooling fan relay with a new one. A stuck closed relay is the only thing that can operate the cooling fan continuously with the key off.
The radiator cooling fan on my 2000 petrol C320 has just started constantly running even when the engine is cold. No messages on dashboard and I rarely have the A/C on. My MB dealer said the fan was faulty so replaced it but problem remained so original one put back. Now they say the ECU must be faulty and have ordered a replacement.
Its as if the fan is running full blast like the car thinks its overheating however the engine cannot be overheating as it happens immediately upon startup. I’ve checked the water level and it’s fine no other problems an engine runs fine.
New to the club guys but my C320 CDI sport has just developed a loud and constantly running engine fan. It stops when I turn off the engine but when I turn it on – it kicks in after 10 – 15 seconds. I have booked in but I worry as the MB garages are overly expensive…
Why does my MB radiator fan keep running?
My MB dealer said the fan was faulty so replaced it but problem remained so original one put back. Now they say the ECU must be faulty and have ordered a replacement. This seems an extreme, and expensive, measure. Could the cause be a faulty thermostat, temperature sensor or another smaller item?
What kind of fuse box does a Mercedes CLK II have?
Actual Mercedes-Benz CLK II (W209) (2002-2010) diagrams & schemes (fuse box diagrams & layouts, location diagrams, wiring diagrams etc.) may vary depend on the model version.
Why is my Mercedes Benz cooling fan not working?
Over time, the control module in your cooling fan can fail, causing your fan to either run itself too high or not at all. This could be potentially catastrophic, resulting in an overheated engine. If you catch your cooling fan acting up, be sure to replace it with a quality part as soon as possible to prevent further damage.
When did the Mercedes CLK 320 come out?
The CLK 320 Coupé was introduced in the 1997 model year, powered by a 218 PS (160 kW; 215 bhp) 3.2 L V6 engine. This vehicle is produced with both 5-speed manual and automatic transmission style. The CLK 320 Coupe can accelerate from 0-100 km/h in 7.4 seconds. Its top speed is listed as 240 km/h. The CLK 320 Cabriolet was introduced in 1999.
What kind of car is the Mercedes CLK?
The Mercedes-Benz CLK-Class are a mid-size rear-wheel drive, four-seater luxury coupés and convertibles, produced by German car manufacturer Mercedes-Benz in two generations, respectively based on the W202 and W203 platforms of the C-Class.
Why does my Mercedes Benz fan keep running?
Automotive information based around Mercedes-Benz information and repair assistance along with other makes and models. No matter what car you own or need help with, my tips and tricks and teachings can help you along the way. An error occurred while retrieving sharing information. Please try again later.
Why does my Mercedes-Benz A / C blower run uncontrolled?
But under fault conditions it could fail as ‘always on’ or ‘never on’. Mostly (according to this forum) a failed BR causes the a/c blower to run uncontrolled. Btw your WIS a/c circuit diagram is not identical to mine for W208. However the blower motor/regulator part is the same.
Why are the cooling fans not working on my car?
1. Engine running hot 2. Cooling fans do not function 3. Cooling fans stay on at all times Average rating from 129,472 customers who received a Vehicle Engine Cooling Inspection. Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool.
What should I do if my radiator fan is not working?
A blown fuse is no big deal, and changing one does not cost a lot of money. If your car’s radiator fan is non-functional, check your car’s user manual and locate the fuse for the radiator fan controller or the fan. The fan itself often uses a big fuse of around 50A, while there might also be a separate small fuse to the fan control module.
What should I do if my engine cooling fan is running at high speed?
Replace the sensor and confirm good location of the wiring connector. Locate wiring in order to avoid chafing of harnesses. Use the AssistPlus to check the reading in the climate control module. As the system is still currently empty, this should read 0 bar. Fill the system with the specified amount of refrigerant and oil.
What should I do if my car cooling fan is not working?
If the fuse has gone, the mechanic will need to replace it right away. On most modern cars, the cooling fan is controlled by the Engine Control Unit (ECU) which gets a signal from the coolant temperature sensor. If it’s not working, the fan won’t turn on when it needs to, which means the engine might overheat.
What does a yellow light mean on a car cooling fan?
A yellow light probably means that the coolant level is low. A red light means that your engine’s overheating. What happens if the cooling fan stops working? If your cooling fan stops working, your engine could overheat. This could cause damage to your engine parts. It’s a serious issue and needs to be looked at by a garage.
What does it mean when your radiator fan is not working?
This is what we call a blown fuse. A blown fuse is no big deal, and changing one does not cost a lot of money. If your car’s radiator fan is non-functional, check your car’s user manual and locate the fuse for the radiator fan controller or the fan.
Where is the fuse on a car cooling fan?
Your car’s manual should show where the fuse for the cooling system is. If the fuse has gone, the mechanic will need to replace it right away. On most modern cars, the cooling fan is controlled by the Engine Control Unit (ECU) which gets a signal from the coolant temperature sensor.