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Dual auxiliary fans don't shut off unless ignition key is
dual auxiliary fans don't shut off unless ignition key is turned off, '93 Mercedes 190E 2.6 … read more
Marty
Marty
Mercedes Technician
Associate Degree
55,660 satisfied customers
Have s 78 450 sl small pump that all heater hoses go into is
Have s 78 450 sl small pump that all heater hoses go into is leaking wgat is this part called?… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
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450 sl: I have a Mercedes 107 450 SL. It was running too fast.
I have a Mercedes 107 450 SL. It was running too fast. A mechanic suggested that the WUR needed to be replaced. I did so it made no difference. I replaced the Auxilliary Air Valve. It was defective. B… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,660 satisfied customers
Mercedes-Benz 450SL: no power to the electric fuel pump on
no power to the electric fuel pump on my 1980 mb 450 sl, replaced the fuel relay switch, can't find any fuses blown, need help.… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,660 satisfied customers
Mercedes-Benz 450 SL: Jai une Mercedes 450 SL 1980. Le moteur
J'ai une Mercedes 450 SL 1980. Le moteur surchauffe. J'ai changé l'antigel, le thermostat et la fan shroud mais il surchauffe toujours à basse vitesse. Que dois-je faire.… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,660 satisfied customers
Is there an easy way to replace the Air Compressor on a 77
Is there an easy way to replace the Air Compressor on a 77 450 SL? How many hours labor is normal?… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,660 satisfied customers
Disturbing fan-sound!I dont like the sound from the fan on my 450 SL -
Disturbing fan-sound! I dont like the sound from the fan on my 450 SL - 1973. Is it possible to modify the fan-system?… read more
BOBBYSS
BOBBYSS
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Associate Degree
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Mercedes-Benz 300CE: The large fan outside the radiator comes
The large fan outside the radiator comes on [very loud ]for most of the time when driving. Sometimes at tick over it goes off for a second and then on again repeatedly. Someone told me the fan is for … read more
Marty
Marty
Mercedes Technician
Associate Degree
55,660 satisfied customers
With climate controls console..blower changes speed..compressor
We have a 1978 450 SL, S#107XXX-XX-XXXX06. With climate controls console, when you push the buttons the blower changes speed and the air comes out either on the defrost or on the floor, never in the c… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
things I need to do to tune up my 450 sl ?..example change air filter
what are the things I need to do to tune up my 450 sl ? for example change air filter, etc.… read more
hauto
hauto
Operate own repair shop
Bachelor's Degree
2,719 satisfied customers
4.5 v8 also cap and rotor also cleaned air valve car..idling
Have a 73 450 sl changed plub and wires 4.5 v8 also cap and rotor also cleaned air valve car still lacks power sounds a little loud idling… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,660 satisfied customers
I change from viscosity driven fan to electrical fan..low speed..tight
Can i change from viscosity driven fan to electrical fan ? My viscosity fan is unstabil and the fan also makes alot of noise on low speed. I bought a new viscosity unit last year, but still not good (… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,660 satisfied customers
1976 mercedes: sl..runs great..2200 rpm, as car warms..1000 rpm..screw
1976 mercedes 450 sl, Came ro me in boxes, all back togather now runs great, except cold start up 2200 rpm, as car warms 130, 1600 rpm and at180, 1000 rpm. after car is at full temp perfect. idle scre… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,660 satisfied customers
1974 MERCEDES: AUXILIARY..FRONT OF THE RADIATOR..MECHANICS
I HAVE A 1974 MERCEDES 450'SL. THE CAR DOES NOT HAVE AN " AUXILIARY FAN IN FRONT OF THE RADIATOR. I DISCUSSED THIS WITH 2 MERCEDES MECHANICS OVER THE SUMMER. ONE SAID THAT IT SHOULD HAVE AN "AUX FAN""… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,660 satisfied customers
450 mercedes: sl..the idle linkage all the way back
I have just bought a 1977 sl 450 mercedes and the idle is at 1400rpm and it will not drop down to 700rpm like it should. The old owner had ajusted the idle linkage all the way back. So now what? Larry… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,660 satisfied customers
1999 Mercedes E430: temperature gauge..idling..temp gauge..back down
I have a 1999 Mercedes E430 that lately, when stopped at a traffic light, the temperature gauge goes up in relation to how long the car is idling. The longer the light, the higher the temp gauge goes.… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,660 satisfied customers
500 SL runs..ambient..be done to lower engine running temperature?
500 SL runs hot when ambient temperatures are moderate to high. What can be done to lower engine running temperature?… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,660 satisfied customers
450SL: Convertable..27,000 miles on it, and had only 1 owner Jim Otto
I bought a 450SL Convertable about 4 months ago. It only has 27,000 miles on it, and had only 1 owner Jim Otto (former NFL player). It is in pristeen condition. What would you say it is worth.… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,660 satisfied customers
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Meet the Experts:

MB Paul

MB Paul

Mercedes Technician

3,567 satisfied customers

Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes

Marty

Marty

Mercedes Technician

55,660 satisfied customers

Bosch Certified Master Tech. Over 35 years experience.

Lou P. master tech

Lou P. master tech

Mercedes Technician

4,460 satisfied customers

20 years Master Certified excellent fix rate and have access to factory wiring, and instructions.

Michael Warfield

Michael Warfield

Factory Mercedes-Benz Technician

3,132 satisfied customers

Mercedes-Benz Master Certified technician

Matt

Matt

Engineer

643 satisfied customers

Mechanical Engineer with 23 years experience in the auto industry, 8 yrs in formula 1 engine testing

promerc

promerc

mercedes diagnostic technician

553 satisfied customers

Qualified mercedes diagnostic technician & service team manager , ATA registered Master tech

Hipo64

Hipo64

Mercedes Technician

444 satisfied customers

Work and diagnose electronics on daily basis.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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