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LEGO Technic Mercedes-Benz Arocs 3245 42043 Building Kit

4.5 4.5 out of 5 stars 155 ratings

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  • Features a Lego power functions for an array of motorized features, including extendable outriggers, automated crane arm and grabber, and a working tipper body
  • Also features fully independent suspension, 6-cylinder engine with moving pistons, detailed cab, opening doors and tailgate, and a 3-pointed Mercedes-Benzes Star
  • 2-in-1 Model: rebuilds into a Mercedes-Benzes articulated construction truck
  • Mercedes-Benzes arcos 3245 (with retracted crane arm and outriggers) measures over 12" (31cm) high, 21" (54cm) long and 5" (14cm) wide
  • Mercedes-Benzes articulated construction truck (with crane boom extended) measures over 22" (57cm) high, 29" (75cm) long and 6" (17cm) wide, and 11" (28cm) high with crane boom retracted
  • This highly functional car toy is suitable for ages 11-16

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LEGO Technic Mercedes-Benz Arocs 3245 42043 Building Kit


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Product Description

Climb aboard the awesome Mercedes-Benzes arcos 3245! this huge, robust, 2-in-1 LEGO Technic 6181905 car toy is packed with authentic details and features. Turn on the included power functions large motor and engage the advanced pneumatic system for complete control over an array of exciting motorized functions. You can operate the ultra-versatile crane arm mechanism, open and close the grabber, extend the outriggers or raise and lower the tipper body! twin axle steering, double differential drive and fully independent suspension provide ultimate maneuverability, and the driver's cab tilts to reveal a detailed cylinder engine with moving pistons. Open the cab doors to access the detailed interior with dashboard, blue seating and steering wheel with Mercedes-Benzes logo. This 6181905 also features an extendable crane arm, 4 suspended axles, double wheels on the 2 rear axles, opening tailgate, warning Beacons, wing mirrors and comprises 2793 elements, the largest LEGO Technic 6181905 ever produced. An authentic white, gray and black color scheme and iconic 3-pointed Mercedes-Benzes Star add the finishing touches to this impressive model. When you feel like another building challenge, rebuild it into the rugged Mercedes-Benzes articulated construction truck.

What's in the box

  • LEGO Building Elements
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    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    155 global ratings

    Customers say

    Customers like the quality, ease of construction, and pneumatic movement of the toy building block. For example, they mention it's a great set to build and play with, the pneumatics system is impressive, and the combination of mechanical and pneumic movement is interesting. Customers are also impresseded with the beautiful design. However, opinions are mixed on the ease of assembly.

    AI-generated from the text of customer reviews

    34 customers mention30 positive4 negative

    Customers like the quality of the toy building block. They mention it's amazing, cool, and fun to build. Some say that the dump bed is impressive. Overall, most are satisfied with the quality and functionality of the product.

    "...It is a BIG model and looks amazing once finished. It is 12" (31cm) high, 21" (54cm) long and 5" (14cm) wide and weighs 10.1 pounds...." Read more

    "...The dump bed is impressive too! I've got it to lift about 35 pounds (16 kilograms) witch I thought was insane...." Read more

    "...My set works fine, although some of the tubing interferes with the lift arm swinging cleanly and I am still trying to figure out the exact sequences..." Read more

    "This is a really cool model - the engineering is well thought out and the mechanical complexity is both daunting and educational...." Read more

    12 customers mention12 positive0 negative

    Customers find the construction of the toy building block to be easy. They mention that it's a lot of fun, challenging, and a good challenge. Customers also say that it provides hours of enjoyment and endless fun. They say it'll be a huge blast to build and play with. Some customers also mention that the build is perplexing but worth it. Overall, customers find the product satisfying and satisfying to build.

    "...] 2793 parts and needs 15 hours to build... but a VERY fun experience. I built it with my brother-in-law and took my time...." Read more

    "...One of my favorite functions though, is the stabilizers. It is very satisfying to see them come out and to screw hem in place...." Read more

    "...that this was the better set and I have to admit that is was a lot of fun to build!..." Read more

    "...well thought out and the mechanical complexity is both daunting and educational...." Read more

    8 customers mention8 positive0 negative

    Customers find the pneumatic movement impressive, interesting, and cool. They also appreciate the combination of mechanical and pneumatic movements. Customers also mention that the truck has lots of moving parts, including a 6 cylinder engine with moving pistons, and detailed cab.

    "...putting together the fully independent suspension, 6-cylinder engine with moving pistons, detailed cab, differential boxes, pneumatic pumps and..." Read more

    "This truck is huge and has lots of moving parts...." Read more

    "This set has everything. Motors, gears, cool gearbox, pneumatics, the works. This is easily one of the best sets I've purchased...." Read more

    "...functions, differentials for rear wheels, tough suspension, and hand-of-god steering." Read more

    5 customers mention5 positive0 negative

    Customers are satisfied with the appearance of the toy building blocks. They mention that it has a beautiful design and is perfectly designed.

    "...It is a BIG model and looks amazing once finished. It is 12" (31cm) high, 21" (54cm) long and 5" (14cm) wide and weighs 10.1 pounds...." Read more

    "...Also, the look is outstanding! It looks really good on display or on the floor being played with...." Read more

    "...page of the manual is turned and parts added, I was amazed by the creativity of the designer...." Read more

    "Fantastic project perfectly designed.It is my second big truck from lego and not the last one.Satisfaction after assembly whole thing is big...." Read more

    16 customers mention11 positive5 negative

    Customers are mixed about the ease of assembly of the toy building block. Some mention it's a more complex building system, very technical, and awesome to build, while others say it'll take some time to build and be difficult to assemble. They also mention that the instructions are complicated by some errors and that the crane arm is difficult to use.

    "...SUMMARY:==========1. Quite technical build with a LOT of functions. Requires time to build which makes it all the more enjoyable.2...." Read more

    "...battery box telling you what each control does making it easy for even non-tecnic builders to understand how to operate the pneumatic controls plus..." Read more

    "...This set was a very long and satisfying build, complicated by some errors in the instructions and some places where things were not very clear...." Read more

    "This is a really cool model - the engineering is well thought out and the mechanical complexity is both daunting and educational...." Read more

    4 customers mention0 positive4 negative

    Customers are disappointed that two pieces of the toy building block were missing.

    "...there are 2 parts missing as the photo shows. one of them is 4140806 and the other one is 4621555...." Read more

    "...But when he opened it today, a piece is missing. It is on page 79, step 8, which should include 2 black little "hammer" things...." Read more

    "The first time in my life was missing 2 pieces and the instructors wasn’t clear still need to fix things without any successful" Read more

    "Two pieces were missing" Read more

    Two words : FUN and AWESOME
    5 Stars
    Two words : FUN and AWESOME
    2793 parts and needs 15 hours to build... but a VERY fun experience. I built it with my brother-in-law and took my time. Enjoyed putting together the fully independent suspension, 6-cylinder engine with moving pistons, detailed cab, differential boxes, pneumatic pumps and steering systems.It is a BIG model and looks amazing once finished. It is 12" (31cm) high, 21" (54cm) long and 5" (14cm) wide and weighs 10.1 pounds. The crane is fun to watch and is pretty impressive in terms of how much weight it can lift.By far one of the BEST LEGO Technic sets out there.Disclaimer: it is not motorized to drive out of the box. To make that happen you have to customize it (online videos) which requires more parts, motors and IR sensor, all of which can be bought from the online lego store, eBay or Brick Owl website.SUMMARY:==========1. Quite technical build with a LOT of functions. Requires time to build which makes it all the more enjoyable.2. Beautiful design.3. Does not drive or turn remotely out of the box without further customization. I have attached the video of my customization.4. Model A is better than Model B.5. For ages 11 and up. Adults will enjoy it too!
    Thank you for your feedback
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    Top reviews from the United States

    Reviewed in the United States on September 9, 2017
    Customer image
    5.0 out of 5 stars Two words : FUN and AWESOME
    Reviewed in the United States on September 9, 2017
    2793 parts and needs 15 hours to build... but a VERY fun experience. I built it with my brother-in-law and took my time. Enjoyed putting together the fully independent suspension, 6-cylinder engine with moving pistons, detailed cab, differential boxes, pneumatic pumps and steering systems.

    It is a BIG model and looks amazing once finished. It is 12" (31cm) high, 21" (54cm) long and 5" (14cm) wide and weighs 10.1 pounds. The crane is fun to watch and is pretty impressive in terms of how much weight it can lift.

    By far one of the BEST LEGO Technic sets out there.

    Disclaimer: it is not motorized to drive out of the box. To make that happen you have to customize it (online videos) which requires more parts, motors and IR sensor, all of which can be bought from the online lego store, eBay or Brick Owl website.

    SUMMARY:
    ==========
    1. Quite technical build with a LOT of functions. Requires time to build which makes it all the more enjoyable.
    2. Beautiful design.
    3. Does not drive or turn remotely out of the box without further customization. I have attached the video of my customization.
    4. Model A is better than Model B.
    5. For ages 11 and up. Adults will enjoy it too!
    Images in this review
    Customer image Customer image Customer image Customer image
    Customer imageCustomer imageCustomer imageCustomer image
    12 people found this helpful
    Report
    Reviewed in the United States on January 16, 2018
    13 people found this helpful
    Report
    Reviewed in the United States on June 21, 2017
    3 people found this helpful
    Report
    Reviewed in the United States on March 13, 2018
    6 people found this helpful
    Report
    Reviewed in the United States on June 20, 2023
    Reviewed in the United States on January 26, 2018
    8 people found this helpful
    Report
    Reviewed in the United States on January 26, 2022
    Reviewed in the United States on November 6, 2017
    3 people found this helpful
    Report

    Top reviews from other countries

    NickJr
    5.0 out of 5 stars Lego itself is great for anyone who likes interesting builds
    Reviewed in Canada on December 14, 2017
    Kaes
    5.0 out of 5 stars For the patient enthusiast
    Reviewed in Canada on December 25, 2017
    Customer image
    Kaes
    5.0 out of 5 stars For the patient enthusiast
    Reviewed in Canada on December 25, 2017
    A truly fantastic design. Requires a lot of patience as it is A marathon to finish. However the final product is beautiful in every aspect.

    Could use a few tweaks to simplify it a bit.
    Motor is too weak and it was disappointing to find that the steering wheel doesn't really steer. There are some hacks out there to solve both issues.

    Arrived with a damaged box that Amazon took care of (thank you!!).

    Definitely, Absolutely recommend it for the patient enthusiast! Would certainly modify the steering, power components.
    Images in this review
    Customer image
    Customer image
    One person found this helpful
    Report
    L Van Zant
    5.0 out of 5 stars Impressive
    Reviewed in Canada on January 15, 2017
    One person found this helpful
    Report
    sheldon birse
    1.0 out of 5 stars Dissatisfied
    Reviewed in Canada on January 10, 2024
    Pablo Cafiso
    5.0 out of 5 stars Awesome Lego truck
    Reviewed in Canada on October 8, 2017