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Expert Answers about Mercedes-Benz M-Class


  • Will Rearc Tow-Pro Elite Brake Controller Fit 2015 Mercedes-Benz ML63 With Factory Tow Package
  • The Redarc Tow-Pro Elite Brake Controller # RED44FR will fit your 2015 Mercedes-Benz ML63. As long as you have a 7-way you can use any brake controller. The reason it is listed this way is because there is currently no custom wiring harness for a plug and play installation. You will need to splice this into your existing wiring to install it on the vehicle.
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  • Availability of Trailer Wiring Harness for 2012 Mercedes-Benz ML350 BlueTec
  • None of our wiring suppliers offers a trailer wiring harness that is compatible with the electrical system in your 2012 ML350. You will likely have better luck checking with your Mercedes-Benz dealership for a wiring harness that will fit your ML350. If you need ball mounts and hitch balls you might consider the etrailer Ball Mount Kit # 989900 which includes several ball mounts and two hitch balls, pin and clip, all together in a handy carry bag.
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  • Availability of Trailer Wiring and Hitch for a 2003 Mercedes ML350
  • Yes, we have the trailer wiring components needed to install a 4-Way trailer wiring harness on your 2003 Mercedes ML350. You will need the 4 Pole Harness and Hardwire Kit, item # C59496. This kit includes all of the parts needed to install the wiring on your vehicle along with a circuit tester to find the correct circuits to splice to. The wiring for your vehicle requires that a power wire be ran to the positive post of the battery through an inline fuse to protect the vehicles sensitive...
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  • Weight Distribution System Recommendation for Cargo Patriot Car Hauler Trailer 5,200 lbs
  • Since your trailer weighs more than 50 percent of the towing capacity a weight distribution system would be recommended. Since your loaded tongue weight is going to be between 500 and 750 lbs the Strait-Line System part # RP66083 would be your best option as it has a 400-800 tongue weight range and the only sway control on the market designed to fight sway before it starts. For a 2 inch ball you would want part # A-90 and for a 2-5/16 inch ball # 19286.
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  • Replacement 7-Way Connector for 2012 Mercedes ML550
  • If all you need is the 7-way connector you'd just need the part # PK11893. If you need the harness that plugs in behind the 7-way you'd have to check with a Mercedes dealer for that.
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  • Will Curt Echo Brake Controller Work With 2014 Mercedes-Benz ML350 on Long Downhill Grades?
  • The Curt Echo Trailer Brake Controller # C51180 is a proportional brake controller, which means it the brakes are going to be activated based on your 2014 ML350's deceleration and because it activates based on inertia and not the type of braking, it will work fine. What you can do is set the boost level higher for the downhill grades, which will send out more initial braking power and allowing for more control.
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  • Recommended Lights for Aluminum Cargo Carrier on a 2012 Mercedes-Benz ML550
  • What I recommend installing is the Optronics LED Trailer Tail Light # STL78RB on either side of your cargo carrier. Then for your connector use the Wesbar Wishbone Wiring Harness # 002402 with the Hopkins Adapter # 47345 so it is compatible with the 7-Way on your 2012 Mercedes-Benz ML550. The wiring configuration for the Wesbar wishbone is as follows: White - ground wire Yellow - left turn/brake light Green - right turn/brake light Brown - tail lights For extra wiring use the Bonded 4...
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  • Will An Older Hollywood Racks Bike Rack Be Able to Carry 2 E-Bikes
  • It would depend on the bike rack you have in all honesty. I checked your account and I wasn't able to find what bike rack you have, so what you're going to need to do is find out how much your bike rack can carry and compare that to the weight of your e-bikes. For instance, if you had the Hollywood Racks RV Rider Bike Rack for 2 Electric Bikes # HLY64FR you'd be bale to transport 2 80 lb e-bikes with a maximum tire width of 5", and a maximum wheelbase of 60". If you let me know what...
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  • Recommended Hitch for 2012 Mercedes-Benz ML350
  • We do have a hitch that fits the 2012 Mercedes-Benz ML350 BlueTEC, unless it has the Active Curve anti-rollover system. If your vehicle doesn't have that system, you'd use the Draw-Tite # 76141. If it does have the Active Curve system, unfortunately we don't have a compatible hitch. If you'll be using the hitch for towing, you'll also need a wiring harness like part # 119250KIT, a ball mount like part # D-28, a # PC3 hitch pin and either # 19260 for a 1-7/8 or # 63845 for a 2 inch hitch...
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  • Fit of Thule OutWay Trunk Mount Bike Rack # TH45JV on 2014 Mercedes ML 350
  • Although the 2014 Mercedes ML350 has a spoiler located at the top of the hatch lid, Thule has tested the fit of the OutWay # TH45JV on the 2014 ML350, and has found that the spoiler is plenty strong enough to support the top connecting cables without being damaged. The OutWay is incredibly easy to install and remove, using 2 retracting cables instead of the 6 straps used by other racks. To carry women's bikes or bikes with sharply angled top tubes or step-through frames, using a frame...
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  • Trailer Hitch Recommendation for a 2015 Mercedes Benz ML350 BlueTEC
  • The Curt Hitch part # C13117 that you referenced has been confirmed as a fit for your 2015 Mercedes Benz ML350 BlueTEC. At this time the only wiring option for your vehicle is going to be a dealer option. If you wanted to do some towing you might be interested in etrailer ball mount kit # 989900. It comes with 2 ball mounts; one with a 3/4 inch rise or 2 inch drop and one with a 2-3/4 inch rise or 4 inch drop. It also includes a 1-7/8 inch ball, 2 inch ball, hitch pin with clip, and a...
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  • 2010 Mercedes ML350 Bluetec Diesel Hitch Capacity
  • The only hitch receiver available for 2010 Mercedes-Benz ML350 diesels is a class 3 hitch like the Curt item # C13102 with a 3500 lbs weight limit. The aftermarket hitch receivers do not have the same towing capacity as the OEM hitch receivers which is causing such a wide discrepancy in weight capacity. This has to do with the ML350 diesel ADBLUE tank and its placement by the spare tire. There is not enough space to attach a large enough hitch receiver that is bigger than a class 3. The...
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  • Does Tang Washer Go Between Spindle Nut and Hub Washer
  • You'd want the tang washer like the # 5-101 that you referenced between the washer and the nut.
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  • Best Brake Controller to Not Take Up Space in the Vehicle
  • The best brake controller to get if you don't want something taking up space in your wife's SUV is the Curt Echo, part # C51180. The only thing that'll be inside the vehicle is your smartphone or tablet that the Echo pairs to. It plugs into your 7-way and then communicates with your device which acts as the in-cab controller. I've linked a video for you to take a look at as well.
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  • Recommended Trailer Wiring Harness for a 2008 Mercedes-Benz ML350
  • The Vehicle Wiring Harness part # C59496 is what I recommend for a 2008 Mercedes-Benz ML350. This kit comes with a 4-way connector and everything you need for installation. It will not cause any check engine lights to appear.
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  • Can a Trailer Hitch on a 2010 Mercedes ML Class Handle Towing a 1969 Ford Mustang on a Tow Dolly
  • It looks like the 1969 Ford Mustang can weight between 3,200 and 3,500 pounds. Trailer hitch # 13342 for the 2010 Mercedes ML-Class is rated for 3,500 pounds. Provided that the combined weight of your Mustang and the tow dolly you use is under 3,500 pounds when ready to tow then this hitch can handle it. I also recommend etrailer ball mount kit # 989900. It comes with 2 ball mounts; one with a 3/4 inch rise or 2 inch drop and one with a 2-3/4 inch rise or 4 inch drop. It also includes...
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  • Brake Controller and Wiring Recommendation for 2012 Mercedes Benz ML
  • The ZCI Trailer Wiring Harness part # 119250KIT will fit your 2012 Mercedes ML and provide the lighting functions. For braking you will need a brake controller and a 7-way. Since your vehicle is a bit more difficult to install a brake controller in we recommend the RF part # TK94FR which will only require you use the adapter part # 37185 to install the controller. Basically you would just need to complete the 12 volt pin of the 7-way (which is the 1:00 position) and the controller will...
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  • What 7-Way Circuits Need to be Active for Prodigy RF Brake Controller TK94FR to Function
  • As long as the 7-way on her 2013 MB ML350 Blue Tech has the 12 volt accessory circuit active (as well as normal trailer wiring circuits), the Tekonsha RF part # TK94FR would be all you need and would work well towing the horse trailer. I attached an install video for this controller for you to check out as well.
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  • Availability of Hitch to Fit 2012 Mercedes ML350 Bluetec Diesel
  • We have a hitch that will fit your 2010 Mercedes ML350 BluTEC. It is Curt hitch # C13117. If you plan on doing some towing you might be interested in etrailer ball mount kit # 989900. It comes with 2 ball mounts; one with a 3/4 inch rise or 2 inch drop and one with a 2-3/4 inch rise or 4 inch drop. It also includes a 1-7/8 inch ball, 2 inch ball, hitch pin with clip, and a storage bag. If the ball mount kit does not have the right rise or drop to tow the trailer level, use the link I...
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  • Trunk Mounted Bike Rack Recommendation for a 2008 Mercedes ML350 and 2004 BMW 530i
  • I checked with Thule and the Passage 2 Bike Rack part # TH910XT is confirmed to fit both your 2004 BMW 530i and your 2008 Mercedes ML350 so it should work well for you. As far as installation of the rack goes, you wouldn't need anything other than the rack to install it on either vehicle. If you plan on carrying any womens or alternative framed bikes without horizontal top tubes you may also be interested in purchasing a Swagman Easy-Out Women's and Alternative Frame Bike Adapter # 64005...
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