Why is my heat not working on my Mercedes 107?
There are a number of reasons that the heat system, air conditioning and climate control fail or just don’t work well on the Mercedes 107 series models, while there are multiple issues that occur to create these problems, there are some affordable solutions to their repair and here are some main reasons and their solutions.
How often do Mercedes Benz 450SL AC units fail?
Except for the servo units in the automatic climate-control systems of the 1977-1980 450SLs, which seem to fail every three years, the air conditioners don’t break particularly often. “They just don’t cool well”.
How to install Mercedes Benz 107 SLC heat AC?
This kit comes with a new manual control valve, hose section, splice fitting, four German hose clamps, a 5 foot control cable and complete instructions on how to properly install this kit yourself. #2 Blower Motor Issues.
What kind of climate control does a Mercedes Benz have?
#1 Climate Control Servo Unit. During the Seventies, German cars were not noted for their effective air conditioners, and these SLs are no exception. Except for the servo units in the automatic climate-control systems of the 1977-1980 450SLs, which seem to fail every three years, the air conditioners don’t break particularly often.
Except for the servo units in the automatic climate-control systems of the 1977-1980 450SLs, which seem to fail every three years, the air conditioners don’t break particularly often. “They just don’t cool well”.
There are a number of reasons that the heat system, air conditioning and climate control fail or just don’t work well on the Mercedes 107 series models, while there are multiple issues that occur to create these problems, there are some affordable solutions to their repair and here are some main reasons and their solutions.
This kit comes with a new manual control valve, hose section, splice fitting, four German hose clamps, a 5 foot control cable and complete instructions on how to properly install this kit yourself. #2 Blower Motor Issues.
#1 Climate Control Servo Unit. During the Seventies, German cars were not noted for their effective air conditioners, and these SLs are no exception. Except for the servo units in the automatic climate-control systems of the 1977-1980 450SLs, which seem to fail every three years, the air conditioners don’t break particularly often.
Why is my radiator fan not working in my garage?
You also no longer hear the reassuring sound of the radiator fan kicking in when you pull into your garage. If this is the case, it might be time to check if the fan is working properly, and is cooling things down under the hood.
What does it mean when your turn signal is not working on Mercedes?
In newer Mercedes models, you will get a warning on instrument cluster stating “Turn Signal Left / Right / Front / Rear / Side Malfunction”. Depending on the Mercedes model and problem a warning may or may not show on the dashboard.
How old is the blower motor on a Mercedes Benz?
If your blower motor has been intermittent or some days it just will not come on until you drive for a while, or not at all, your motor contact brushes are most likely at the end of their life. At an age of 15 years old or more heater motor brushes are very prone to failing at any time from wear and age.
Why does my AC not turn on when in cooling mode?
The AC doesn’t turn to Heating mode, rather it stops cooling (the comrpressor stops) because the AC can’t reject the heat. It’s not the thermostat or control board because these are integral to the unit (looks like a wall mounted ductless ac).
What to do if your Mercedes heater blower is not working?
My blower motor was fixed in with 3 posidrive screws. Had to use a stubby screwdriver on one of them too due to a serious lack of room. Check first before just pulling it out Rooty.
Where is the regulator on a Mercedes fan blower?
The Mercedes Benz fan blower motor regulator is a series of resisters in a printed circuit board about 2-inches square located right next to the blower motor.
My blower motor was fixed in with 3 posidrive screws. Had to use a stubby screwdriver on one of them too due to a serious lack of room. Check first before just pulling it out Rooty.
The Mercedes Benz fan blower motor regulator is a series of resisters in a printed circuit board about 2-inches square located right next to the blower motor.
Where is the resister on a Mercedes Benz fan?
Just to the left of the blower motor, an electrical connector connected to a flat 1-inch-by-2-inch plate can be seen. This is the blower motor resister, which controls the fan speeds. Disconnect the multi-wire connector from the blower motor resister next to the blower motor. Start the car and turn the air conditioning on.
What to do if your heater motor won’t work?
Options for repairing it yourself and saving big $$$. If your heater motor won’t come on, first check your fuse or relay. If you are not sure if the switches are the problem, we recommend you get the covers off and power the motor directly with a 12 volt power source.
If your blower motor has been intermittent or some days it just will not come on until you drive for a while, or not at all, your motor contact brushes are most likely at the end of their life. At an age of 15 years old or more heater motor brushes are very prone to failing at any time from wear and age.
How to install a heat system on a Mercedes Benz?
It will not be as nice as the original automatic system, but at least you will have heat when you need it. This kit comes with a new manual control valve, hose section, splice fitting, four German hose clamps, a 5 foot control cable and complete instructions on how to properly install this kit yourself.