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No kick down, starts in 2nd 1980 300sd. Did not check
did not check lights, battery is fully charged, I was looking for a wiring schematic and component locator as the kick down solenoid is not getting proper power. … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
I have too keep put n antifreeze and rader, Yes, 1980 sl
I have too keep put n antifreeze and rader JA: Have your car been overheating? Have you noticed any leaks? Customer: Yes JA: What is the model/year of your Mercedes? Customer: 1980 sl 450 JA: Are you … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
450 SL: 1974 450 SL Eng.117***-**-****62 / body. 107***-**-****49 I
1974 450 SL Eng.117***-**-****62 / body. 107***-**-****49 I have a new fuel pump relay on order(###) ###-#### and information for a step by step replacement.… read more
Juan Crespo
Juan Crespo
Sr. Technician
Bachelor's Degree
1,262 satisfied customers
450 sl: 1975 Mercedes Benz 450 SL. I cannot get it to idle.
1975 Mercedes Benz 450 SL. I cannot get it to idle. Running way to fast. I have new injectors, new plugs, wires, distributor etc. Sounds like it may be a vacuum leak. Checked all the hoses, replaced m… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Hi Ive just bought a mercedes 450 slc 1980 as a non runner
Hi Ive just bought a mercedes 450 slc 1980 as a non runner I've replaced the fuel pump and filter but have no power to the pump Located the relays in the footwell but not sure which relay supplies pow… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Mercedes-Benz 560SL: 1986 560 sl w 117 body ....srs light says
1986 560 sl w 117 body ....srs light says on..in the glove box is a small ...opened it was a black box,,looks like the former owner disconnected it...when I conectit...it clicks...still got a light...… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Mercedes-Benz mercedes 450 slc: I have a 1976 mercedes 450
I have a 1976 mercedes 450 slc. I believe my problem is the fuel pump relay. Ive read some of your other posts and I pulled the blue plug and no noise from the fuel pump. car tries to start but won't.… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Mercedes-Benz 107: is there is fues between the idle speed
is there is fues between the idle speed control unit an the idle speed control valve on a sl(NNN) NNN-NNNNwire diagram doesn't show a relay or fuse like stated from a lot of guys online… read more
autobahnauto
autobahnauto
diagnostician/shop owner
26 satisfied customers
1980 450 SL, loud whirring noise when turning steering
1980 450 SL, loud whirring noise when turning steering wheel, both right and left. Ok to drive?… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Mercedes-Benz 1980 SL450: How much is my 1980 450 SL worth?
How much is my 1980 450 SL worth? Beige/tan - hard top and convertible top- 3rd owner - excellent condition - always garaged - 162K miles.… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
1979 mercedes: fuel pump..I took out the fuel pressure relays..jumped
1979 mercedes 450 sl no power to the fuel pump . I took out the fuel pressure relays and jumped the wires 87 and 30. Therer are 2 fuel relays in a row same number same boxes underneath the glove box b… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
1980 Mercedes: Housing..its called a Throttle Body..part number
I have a late model 1980 Mercedes 450 SL. I am looking for a Throttle Valve Housing or sometimes it's called a Throttle Body. The part number is(NNN) NNN-NNNN All the parts stores and Dealers don't ca… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
1980 mercedes: sl..air in to the intake it bearley moves
i have a 1980 mercedes 450 sl that starts but wen i step on the gas it the throotel control body is not moving down to let air in to the intake it bearley moves… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Fuel filter..fuel pump..I had the engine running checking for leaks
I have a 1980 MB 450 SL I installed a accumilator a fuel filter and a new check valve on the fuel pump. I had the engine running checking for leaks when the engine stalled. I tried to restart it would… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Mercedes: Im done with British sports cars (Triumph, MGs)..SL..V8
I'm done with British sports cars (Triumph, MG's) and would like to migrate to Mercedes SL's. R107. Pro's and Con's of 450 SL, 380 SL and 500SL. I would like a V8. Price is not a concern. My question … read more
mbfixer
mbfixer
Shop manager
High School or GED
453 satisfied customers
1977 450SL: jump..jumper..fuel delivery..a fuel pump relay that is
My 1977 450SL will not start. If I jump the positive terminal from the fuel pump to the battery, it will start and stay started until I remove the jumper. Is the starter solenoid part of the fuel deli… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Mercedes: driveway..the car that have the VIN number on it
We purchased a house that has a non-running 1980?? Mercedes in the driveway. The VIN number has been removed from the dash. It is probably a stolen car, but I was told by a friend of mine that there a… read more
mbfixer
mbfixer
Shop manager
High School or GED
453 satisfied customers
1979 Mercedes: it would leak from and what is the consistency of Freon
I have a 1979 Mercedes 450 SL. I believe it is leaking Freon--but not sure. Where would the most likely place it would leak from and what is the consistency of Freon so that I if I saw it I know what … read more
mike
mike
Real Estate invest/Pennsylvania Mechanic
Vocational, Technical or Trade Scho
26 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

29,460 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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