Expert Answers about Mercedes-Benz GLK-Class

• Replacement Spacer Blocks for Draw-Tite Max-Frame Trailer Hitch Receiver 75774
• There are two different spacer blocks that come with the Draw-Tite Max-Frame Trailer Hitch Receiver part # 75774, per the instructions they are 5/8” X 1-1/2” X 2” and 1/4” X 1-1/2” X 2”. That said, they do not specificy a thickness although we do offer these plates but you would have to purchase a hardware kit which has them, the Replacement Hardware Kit for Trailer Hitches part # RHK.
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• Trailer Wiring Harness for 2014 Mercedes GLK350
• The ZCI Trailer Wiring kit part # 119250KIT that you referenced is a confirmed fit for your 2014 Mercedes GLK350 as it can basically be installed on any vehicle and since it does not require cutting or splicing into the vehicles wiring it would not void any warranties either. Instead of splicing into the wires the sensors of this kit just clamp around them and sense that voltage is being carried on the wire and that is what is used to signal which trailer wiring circuit needs to activated....
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• Can Smaller Frame Bikes Fit on Yakima Ridgeback Bike Rack
• The arms of the Yakima Ridgeback part # Y02458 that you referenced they measure 13-1/2 inches apart measured from outside to outside. This rack typically works well with smaller bike frames but in some cases the easiest solution is to use a bike frame adapter bar like part # UB01 which attaches to the steering stem and seat post to provide a wider, level attachment point. Check out the review video I attached as well.
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