Metra 70-1860 Receiver Wiring Harness

The original four wire plug sent and the replacement plug both had open circuit due to a wire not making contact with a prong inside the plastic plug head. The manufacturing quilty is very poor. I repaired the second plug sent so I could finally get the radio installed.

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Metra 70-1860 Receiver Wiring Harness

The Harness was supposed to work on my car, it didn't. The quality of the parts seemed to be good.

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Metra 70-1860 Receiver Wiring Harness

As pictured and described, works perfect!

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Metra 70-1860 Receiver Wiring Harness

A very simple solution and wiring harness.

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One more piece should be included b

Should of pulled the Becker out to see what connections I had. On 88-89 Mercedes there are 2 amps behind the rear seat back not in the trunk. I even contacted Crutchfield's tech support to ask about the speaker connections. Was told just connect the adapters to the round plug on the cars' harness and to the radios' high side. Well an amped set up does not use the round connectors and does not use high level inputs. I questioned the tech on this, the reply was older cars did not use low level inputs they use high. Fast forward, no round connectors present! What is need is a three pin connector to RCA left and right jacks. I had to make this up myself by using an rca to speaker wire adapter and soldering pins to it to fit the cars 3 pin harness. Yes I could of cut the harness off and went wire to wire but the reason for buying a kit is to make the install quick. Be able to fo it on a bench not hunched over in the car, then just plug in the plugs and slide the head unit in. So only able to use 1/2 the kit, the power harness was just fine,having paid extra for i day shipping saved me very little time in the end. I give it 2.5 stars but since 1/2 stars are not an option 2. Yes you can retain the stock amps. No you do not need to run new speaker wire. You only need one adapter that is not included! Note: I wanted to preserve the stock connectors to be Able to reinstall the original Becker unit.

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Metra 70-1860 Receiver Wiring Harness

Fantastic. Was very easy to assemble and kept my stock wiring intact.

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Metra 70-1860 Receiver Wiring Harness

This set is exactly what I needed to change out a defunct factory stereo in my Mercedes without having to hack up the wiring, making a much neater install

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Metra 70-1860 Receiver Wiring Harness

Mercedes has the most complicated radio wiring I've seen in my 40yrs of turning wrenches. Your harness solved all the problems in 30 minutes(that included time to solder )Thanks

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Metra 70-1860 Receiver Wiring Harness

Couldn't have asked for a more easy installation.

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Metra 70-1860 Receiver Wiring Harness

The wiring harness was perfect. I really didn't want to butcher my classics wiring. I just connected this to my new decks wiring and connected this to where my original deck lugged into the car so no cutting of any of my cars wiring. No need to pay someone to install the deck and dash speakers.

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Metra 70-1860 Receiver Wiring Harness

Worked perfectly

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Everything fits perfectly

Excellent!, Everything fits perfectly, the documentation is first rate, top notch!

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Worth your money. It cuts frustration and time!

This adapter made it so simple the task, labeled, and the right connections for the older car, awesome!!!

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Life Saver

This little harness worked perfectly for my 88 560SL! I really want to be able to revert back to a factory radio, but I needed some sound while driving around. This allowed me to get a cheap unit through Crutchfield and now I can finally have some music while driving. As an added bonus, when I bought the radio, they included this harness at a deep discount! Also, using Apple Pay at checkout was one of the best experiences I've ever had while online shopping. Great work to the team at Crutchfield!

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Metra 70-1860 Receiver Wiring Harness

Fit perfectly in our 1986 Mercedes 300E. Still able to use the factory fader switch in the center console, by just using one pair of the speaker connectors in this hatness kit. For those who want to use the fader built into their headunit, you just have to connect the other pair of adapters.

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Very, very incomplete

1990 350SDL (V126) The power/ground plug matched the wiring in my car but none of the speaker connectors were of any use whatsoever. I have researched this extensively and depended on the favorable reviews here to determine that this would probably work on my car. I should have paid more attention to the various Mercedes forum posts that told me this would be a bigger undertaking than Crutchfield led me to believe. I am going to end up paying someone rewire the whole speaker system in the car. Not happy. You would think that someone would have figured this out after 29 years.

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Crutchfield response on 5/7/2019

We're sorry that you feel we let you down, Steven. In checking the notes on your order, it appears we displayed this note when you purchased your Kenwood receiver for your Mercedes: 'When installing a new stereo, you'll need to run new speaker wire to each speaker.' We like to make sure customers see this crucial information for any installations that will require some additional work.

Metra 70-1860 Receiver Wiring Harness

With the wiring harness and easy instructions there was no way I could go wrong. Thanks!

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Metra 70-1860 Receiver Wiring Harness

The local big box electronics store didn't have the part, so they directed me on your website. Purchased from your site. Had the new radio installed locally using this hardware into my son's "86 MB 560sel", WORKED PERFECTLY! Thank you Crutchfield

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Metra 70-1860 Receiver Wiring Harness

I used the adapter plug and speaker adapters to avoid having to cut up the original wiring of my 1988 Mercedes 560SL. I still have the original stereo. The adapter let me solder the new stereo wiring in the comfort of my shop, and the installation was a breeze. Really liked the product!

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Metra 70-1860 Receiver Wiring Harness

Crutchfield always has the right stuff to make the install easier and clean.

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Metra 70-1860 Receiver Wiring Harness

Exactly what I needed for a smooth installation! Directions were clear and easy to use.

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Metra 70-1860 Receiver Wiring Harness

This product made the wiring simple. I think it would have been a nightmare if I had not purchased it.

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Great harness kit ever!

Exact match. Made installing the unit easy as can be.

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Use this harness!

Helped the install greatly; less cutting and splicing

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Great wire harness

Perfect fit for my 1987 Mercedes 300sdl. Crutchfield has the parts no other vendor carries. Thank you Crutchfield team for your help and service and great literature for my installation.

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Metra 70-1860 Receiver Wiring Harness

The wiring harness worked perfectly. The instructions were complete.

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Metra 70-1860 Receiver Wiring Harness

Great adapter kit, good quality connectors, instructions were thorough and made the job easy

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Great Harness for W126/C126

This harness worked without issue in my 85 Mercedes 500 SEC (W126/C126). The speaker level inputs worked as well with the aftermarket Alpine Radio I installed; and the center console "fader" still operated at Mercedes Designed. Another harness from our friends at Crutchfield.

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Metra 70-1860 Receiver Wiring Harness

Easy to install, great instructions even the we're are labeled as to where to hook up. Made all connections in my house and then hooked up in my car 82 300 SD

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Metra 70-1860 Receiver Wiring Harness

It was very helpful to have instructions. To make it easier to use and hook it up to my car . I would order more stuff from Crutchfield every time.

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Great product

Great fitting product. Very tight connections and clearly marked.

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Perfect Fit

Really can't ask for more from this.

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Don't need it

It wasn't compatible at all, I ended up having to rewire the car and at that point I didn't need the harness.

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Easy install

Great and easy install just connected the wires to the new radios harness then connected to cars wires just bu pluging and slide in

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560 sec

It dosnt fit a 560 sec need to hard wire it in

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Metra 70-1860 Receiver Wiring Harness

It worked as intended.

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Wiring harness

It's been a while since I bought something from Crutchfield but they came through again as before with stellar service. I don't know how they do it but the wiring harness was absolutely a perfect fit and made the installation into my 88 560sl a breeze.

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Well designed.

It worked as intended. Easy connections. No problem.

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wiring harness

This product was of good quality and designed to fit. Instruction were spot on.

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Works Great!

Works great for my '83 Mercedes 300SD. Almost forgot to ground it at first in the back of the stereo, but once I did that, the thing works like a charm.

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Exactly what I needed

Installed on an '88 Mercedes 560SL. At first I was confused about the wires and not sure they'd fit. But I soon realized they were exactly right. They were exactly what I needed and worked great.

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it work

the work good and fit just right

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Works great

Harness was a perfect match. Nice product so you don't have to cut up the factory harness. Great package deal from Crutchfield. Thank you

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Cleverly designed to fit the Mercedes!

I used this harness to wire in a Pioneer KEH P-2030. The designers were clever. I did not need to cut one wire, merely connect the 2030 wires to this adapter harness! ( I did however, need to fab up a 5" piece of stranded wire w/ 1/4" spade/male lugs on both ends, as the radio wire was a tad short, but that was on the Pioneer connector harness. ) Just wire this ganglion up to the P-2030 connector wires, and snap everything in place! No wire cutting inside the Mercedes (mine an 1989 300E) console. Top notch! BTW: I didn't use crimps, or electrical tape. I did a 3/4" twisted splice, and had heat shrink on the wire, that I then slid over the soldered joint. Made the harness slick and thin. Then finished off with Ty-Wraps.

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Metra 70-1860 Receiver Wiring Harness

Not sure why crutch field says this isn't recommended for my 190E. But it's perfect. And works great! No splicing!!! ??

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Harness does what it is supposed to do.... everything fits

This harness works perfectly and lets you install a new stereo head without cutting a single wire from you factory wiring harnesses. Be sure to solder all connections and use heat-shrink tubing sleeves to prevent shorts behind the dash. Install was in a 1987 Mercedes 300D (W124 chasis).

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Custom fit wiring for my 82 380SL

This made the install much faster

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Perfect Fit - Easy Install

Easy install! No need to cut any wires on the original 1984 Mercedes 380SL.

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Easy to use. Can't beat "free"!

Very easy to read & set up. All the colors matched up w/the stereo wiring harness. I did all my soldering & shrink sleeving outside the car. The excpetion was for the two to one ground wire. Wires are thin but strong.

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Fit perfect in 198 Mercedes 300E

Fit perfectly in my sons 1989 Mercedes 300E using an aftermarket Kenwood stereo.. Was able to still use the car's factory fader. Perfect directions. Thanks again Crutchfield for an excellent product!

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perfect fit

Everything matched up perfectly. Quick delivery and tech support really answers the phone live to answer questions.

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Mercedes Wiring Adapter Harness

My installation was on a 1984 380 SL [1983 & 1985 will be the same] High quality harness. Splice this harness onto the connector that comes with your aftermarket radio. On the Sony radio I installed, the main harness color codes matched perfectly. FYI, the instructions that come with this harness make no mention of connecting the power antenna control wire, as that function is not controlled by this harness. The blue/white wire on my radio connected to it. Best to obtain the install manual for your radio and obtain a copy of the wiring schematic for your Mercedes stock radio. This can be obtained from AllData.com or Mitchell OnDemand. Also available from most auto repair shops which have this software [in case you have a mechanic friend]

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Good harness

The harness came with instructions, well made, was super easy to solder up with my Pioneer Wiring harness then made my install pretty plug and play with one small exception. The 1986-87 300D Turbo has a physical fader in the instrument panel and the instructions are for wiring it with the fader still in play. It would be nice to also have some instructions on how to bypass the fader so all the speakers function discreetly.

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Ford 150

Thanks to great help on the phone I was able to install new receiver with the wiring that was sent. It took about an hour from start to finish.

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Mercedes Harness Adaptors Work

I bought from Crutchfield because of their vehicle-specific instructions and harnesses. The harnesses worked great and I did not have a problem with them; I did not have to cut any of the OEM harness.

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It works

It does what it is supposed to.

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Mercedes Wire Harness

The harness worked, great. The directions were exactly right, made it easy to install. For sure a 5 star rating. This was my first purchase from crutchfield, but I would definately get other harnesses or really anything from crutchfield after the success I had with this one!

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Great product!

These adaptors are awesome. They made the install so easy.

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Metra 70-1860 Receiver Wiring Harness

Made installation of radio very easy.

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Metra 70-1860 Receiver Wiring Harness

Everything needed was provided

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Metra 70-1860 Receiver Wiring Harness

Good if you have a stock wiring setup. Otherwise, you will have to cut and splice. Helped me out on the speaker wires.

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Mercedes Harness

This made the installation alot easier. It works great and my power antenna works now!!!!!

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Works great

I used this to install an Alpine ida-x305 into a 1985 Mercedes 300D with the factory radio/cassette without amp. Worked fine. On this model car it's a little weird that there's a front/back fader in the center console, so you're really only wiring two of the speakers out of your stereo. Unless you want to run new speaker wires, which I didn't feel like. But, the harness does exactly what it's supposed to.

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Metra 70-1860 Receiver Wiring Harness

Must have. You cannot live without this product. I always like to keep my factory connections factory and this item allows me to do that.

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Works for power leads Speakers need mod.

1992 Mercedes 300td 2.5 (300d and E classes similar) The power leads make things easier. The speakers need to bypass the old amplifiers except for the subwoofers in the door. I took an RCA off the front preouts ran them to the amp and cut soldered the rca to the amps to get subs to work. The 4 main speakers need to be directly wired. Also this car uses a powered antenna so that blue wire (accsessory power) needs to be run to the trunk.

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Great Product

First, the harness is excellent. The wire colors matched up perfectly with my Kenwood headunit plug, so connecting the harness to my headunit was a breeze. Its great that I dont have to modify my factory car wiring to use a new headunit. Great Product. Highly Recommended.

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Great harness for a 1987 420SEL

Made installing a Pioneer head unit in this car easy and quick.

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Well made perfect fit harness

This is a well made product that fit perfectly. Crutchfield came through on this one. They shipped extremely fast well packed (really it was over packed). The instructions were spot on so the job was extremely easy.

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Mercedes Benz 300D radio wiring harness adaptor

The radio wiring harness adaptor is correct. I do not need the small female jacks. I had to wire skpeaker wire from the sony radio to the old amplifier speaker output. That means I bypassed the old amplifier. They work perfectly. My car is 92 Mercedes Benz 300D same as 300E. Thank you.

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