How many pieces are in the 4x4 Mercedes-Benz Zetros Trial Truck?

4x4 Mercedes-Benz Zetros Trial Truck contains 2,110 pieces.

What age is the 4x4 Mercedes-Benz Zetros Trial Truck recommended for?

This set is recommended for ages 12+.

When was the 4x4 Mercedes-Benz Zetros Trial Truck released?

4x4 Mercedes-Benz Zetros Trial Truck was released in 2021.

LEGO 4x4 Mercedes-Benz Zetros Trial Truck set 42129

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🏛 Technic

Set #42129

4x4 Mercedes-Benz Zetros Trial Truck

The 4x4 Mercedes-Benz Zetros Trial Truck is a challenging and rewarding Technic build.

Before you buy

Who it's for: Ages 12+ · Advanced build Technic enthusiasts and fans of remote-controlled vehicles
Build: 2,110 pieces · about 8 hours Build time is an estimate.
Price: $329.99 list price · 15.6¢ per piece
Availability: Retired at LEGO

★★★★☆ 4.2 community rating from 63 ratings

Fans appreciate the challenging build and realistic functionality of the Zetros truck, praising its detailed design and CONTROL+ integration. However, some criticize the high price and complexity of the build, noting that it may not be suitable for younger builders.

$329.99

Check price on eBay

📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

The 4x4 Mercedes-Benz Zetros Trial Truck is a challenging and rewarding Technic build. This set captures the ruggedness of the real-life Zetros, offering a detailed model with impressive functionality and off-road capabilities, making it a standout addition to any Technic collection.

This set is perfect for Technic enthusiasts and fans of remote-controlled vehicles. The complex gearing and electronic components provide an engaging building experience, while the CONTROL+ app integration offers a fun and interactive way to operate the truck.

Skip this if you prefer simpler builds or are not interested in motorized functions. If you're looking for a less complex Technic experience, consider the smaller-scale LEGO Technic Monster Jam sets.

✨ New

Ask BlockTalk about this set

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Try asking:

How does the CONTROL+ app enhance the play experience? What are the most challenging aspects of building this set? How does this set compare to other remote-controlled Technic vehicles in terms of functionality and design? Is this set a good investment for LEGO Technic collectors?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI

🧩

2,110

Pieces

⏱

Estimated Build Time

📊

Advanced

Difficulty

📏

21cm × 48cm × 19cm

Dimensions

Build Highlights:

Complex gearing and drivetrain system accurately replicates the Zetros' capabilities
Integration with the CONTROL+ app allows for precise control and realistic driving experience
Detailed interior and exterior design captures the ruggedness of the real-life truck
Challenging build with intricate steps that offer a rewarding sense of accomplishment

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI

Not enough price history for a trend

Investment Grade

⏳ Retired

The 4x4 Mercedes-Benz Zetros Trial Truck presents a moderate investment opportunity. As a retired Technic set with a substantial piece count and CONTROL+ functionality, it appeals to both collectors and Technic fans. Its value is likely to appreciate over time, especially as demand for retired Technic sets increases. However, its initial high price point and the potential for electronic components to degrade should be considered. The Mercedes-Benz license adds to its appeal, but the set's complexity may limit its broader collector base, impacting its long-term investment potential.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

⚖ Compare Similar Sets

4x4 X-treme Off-Roader

6x6 Volvo Articulated Hauler

Technic • 2,193 pcs

$299.99

Compared to other Technic remote-controlled vehicles, the 4x4 Mercedes-Benz Zetros Trial Truck offers a more realistic driving experience due to its advanced suspension and CONTROL+ app integration. While sets like the LEGO Technic Monster Jam offer simpler builds and play patterns, the Zetros provides a more challenging and rewarding experience for serious Technic enthusiasts. Its higher price point reflects its complexity and advanced features.

📦 Parts Inventory

Official piece count: 2,110
Parts cataloged in this inventory: 185 unique parts, 2,131 pieces

LEGO counts 2,110 pieces. This inventory comes from a separate parts catalog and lists 2,131; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

Technic Pin Conne...

Part #: 10197 6× Dark Bluish Gray

Technic Gear 8 To...

Part #: 10928 1× Dark Bluish Gray

Flag 2 x 2 Square...

Part #: 11055 6× White

Flag 2 x 2 Square...

Part #: 11055 2× Red

Plate 3 x 3

Part #: 11212 1× Light Bluish Gray

Plate 3 x 3

Part #: 11212 1× Black

Technic Axle Pin ...

Part #: 11214 41× Red

Plate Special 1 x...

Part #: 11458 2× Dark Bluish Gray

Brick Curved 2 x ...

Part #: 11477 1× Black

Technic Beam 1 x ...

Part #: 11478 8× Dark Bluish Gray

Technic Beam 1 x ...

Part #: 11478 16× Black

Technic Panel Fai...

Part #: 11946 1× Dark Bluish Gray

Technic Panel Fai...

Part #: 11947 1× Dark Bluish Gray

Technic Panel 3 x...

Part #: 15458 7× Black

Technic Panel 3 x...

Part #: 15458 3× Dark Bluish Gray

Technic Axle 5 wi...

Part #: 15462 3× Reddish Brown

Tile Special Roun...

Part #: 15535 1× Light Bluish Gray

Tile Special Roun...

Part #: 15535 6× Black

Brick Sloped 45° ...

Part #: 15672 3× Light Bluish Gray

Technic Gear 20 T...

Part #: 18575 2× Tan

Technic Axle Pin ...

Part #: 18651 42× Black

Technic Pin Conne...

Part #: 18654 23× Black

Technic Pin Conne...

Part #: 18654 20× Dark Bluish Gray

Technic Pin Conne...

Part #: 18654 3× Light Bluish Gray

Plate Special Rou...

Part #: 18674 1× Dark Bluish Gray

Plate Special 1 x...

Part #: 18677 10× Black

Technic Gear 16 T...

Part #: 18946 4× Red

Technic Driving R...

Part #: 18947 2× Dark Bluish Gray

Tile Special Roun...

Part #: 20482 1× Light Bluish Gray

Motor, Medium, We...

Part #: 21980 1× White

Motor, Large, Pow...

Part #: 22169 3× Dark Bluish Gray

Bar 2L with Towball

Part #: 22484 1× Dark Bluish Gray

Technic Pin Conne...

Part #: 22961 20× Dark Bluish Gray

Technic Panel Cur...

Part #: 24116 3× Black

Technic Panel Cur...

Part #: 24119 2× Black

Tile Special 1 x ...

Part #: 2412b 3× Light Bluish Gray

Tile Special 1 x ...

Part #: 2412b 5× Black

Tile 1 x 4 with G...

Part #: 2431 3× Black

Technic Axle 3 wi...

Part #: 24316 18× Reddish Brown

Brick Round 1 x 1...

Part #: 25214 2× Light Bluish Gray

Brick Round 1 x 1...

Part #: 25214 6× Black

Plate Round 2 x 2...

Part #: 2654 2× Black

Plate Round 2 x 2...

Part #: 2654 2× Trans-Clear

Tile 2 x 3

Part #: 26603 2× Black

Technic Disc 3 x 3

Part #: 2723 1× Black

Technic Axle Towball

Part #: 2736 3× Light Bluish Gray

Technic Pin Conne...

Part #: 27940 4× Dark Bluish Gray

Plate Special 2 x...

Part #: 2817 5× Black

Technic Steering ...

Part #: 2819 1× Black

Technic Beam 1 x ...

Part #: 2825 8× Light Bluish Gray

Brick Wedged, Cur...

Part #: 29119 1× Dark Bluish Gray

Brick Wedged, Cur...

Part #: 29120 1× Dark Bluish Gray

Lever Small Base ...

Part #: 298c02 1× Black

Plate 2 x 4

Part #: 3020 4× Black

Plate 2 x 3

Part #: 3021 3× Light Bluish Gray

Plate 2 x 2

Part #: 3022 1× Light Bluish Gray

Plate 1 x 2

Part #: 3023 4× Black

Plate 1 x 2

Part #: 3023 1× Green

Plate 1 x 1

Part #: 3024 6× Dark Bluish Gray

Plate 1 x 1

Part #: 3024 3× Trans-Orange

Brick Round 2 x 2...

Part #: 30367c 2× Red

Bar 4L (Lightsabe...

Part #: 30374 3× Black

Bar 4L (Lightsabe...

Part #: 30374 4× Dark Bluish Gray

Tile 2 x 2 with G...

Part #: 3068b 3× Black

Tile 2 x 2 with G...

Part #: 3068b 1× Light Bluish Gray

Tile 1 x 2 with G...

Part #: 3069b 2× Trans-Orange

Tile 1 x 2 with G...

Part #: 3069b 4× Trans-Red

Tile 1 x 2 with G...

Part #: 3069b 2× Trans-Clear

Tile 1 x 1 with G...

Part #: 3070b 2× Trans-Orange

Tile 1 x 1 with G...

Part #: 3070b 2× Dark Bluish Gray

Tile 1 x 1 with G...

Part #: 3070b 2× Black

Technic Steering ...

Part #: 31794 10× Light Bluish Gray

Technic Pin 3/4

Part #: 32002 6× Tan

Technic Link 1 x ...

Part #: 32005a 1× Dark Bluish Gray

Technic Beam 1 x ...

Part #: 32009 2× Black

Technic Axle and ...

Part #: 32013 10× Black

Technic Axle and ...

Part #: 32016 2× Dark Bluish Gray

Technic Axle and ...

Part #: 32034 19× Black

Technic Beam 3 x ...

Part #: 32056 12× Black

Technic Axle 2 No...

Part #: 32062 33× Red

Technic Beam 1 x ...

Part #: 32063 8× Light Bluish Gray

Technic Axle 5

Part #: 32073 16× Yellow

Technic Bush 1/2 ...

Part #: 32123b 7× Light Bluish Gray

Technic Axle and ...

Part #: 32126 10× Dark Bluish Gray

Technic Beam 2 x ...

Part #: 32140 10× Black

Technic Beam 2 x ...

Part #: 32140 17× Dark Bluish Gray

Technic Axle and ...

Part #: 32184 1× Black

Technic Axle and ...

Part #: 32184 10× Dark Bluish Gray

Technic Axle and ...

Part #: 32192 4× Dark Bluish Gray

Technic Gear 12 T...

Part #: 32270 6× Black

Technic Beam 1 x ...

Part #: 32278 2× Dark Bluish Gray

Technic Beam 1 x ...

Part #: 32316 4× Olive Green

Technic Beam 1 x ...

Part #: 32316 8× Dark Bluish Gray

Technic Beam 1 x ...

Part #: 32316 21× Black

Technic Beam 1 x ...

Part #: 32449 10× Dark Bluish Gray

Technic Beam 1 x ...

Part #: 32523 10× Black

Technic Beam 1 x ...

Part #: 32523 14× White

Technic Beam 1 x ...

Part #: 32523 8× Dark Bluish Gray

Technic Beam 1 x ...

Part #: 32524 5× Bright Green

Technic Beam 1 x ...

Part #: 32524 11× Dark Bluish Gray

Technic Beam 1 x ...

Part #: 32525 9× Bright Green

Technic Beam 1 x ...

Part #: 32525 21× Dark Bluish Gray

Technic Beam 3 x ...

Part #: 32526 8× Dark Bluish Gray

Technic Beam 3 x ...

Part #: 32526 3× Black

Technic Beam 3 x ...

Part #: 32526 4× Bright Green

Technic Pin Conne...

Part #: 32557 4× Light Bluish Gray

Plate Special Rou...

Part #: 32828 2× Black

Technic Gear 20 T...

Part #: 35185 1× Blue

Gear Shifter

Part #: 35188 2× Orange

Plate Special 2 x...

Part #: 35442 2× Black

Brick 1 x 3

Part #: 3622 1× Light Bluish Gray

Plate 1 x 3

Part #: 3623 1× Light Bluish Gray

Plate 1 x 3

Part #: 3623 4× Black

Plate 1 x 3

Part #: 3623 2× Dark Bluish Gray

Technic Gear 24 T...

Part #: 3648b 3× Dark Bluish Gray

Technic Pin witho...

Part #: 3673 3× Light Bluish Gray

Technic Axle 4

Part #: 3705 3× Red

Technic Axle 4

Part #: 3705 5× Black

Technic Axle 6

Part #: 3706 5× Red

Plate 1 x 4

Part #: 3710 1× Black

Technic Bush

Part #: 3713 18× Red

Technic Axle 10

Part #: 3737 4× Black

Part #: 3941 2× Black

Brick Round 2 x 2...

Part #: 3941 2× White

Technic Connector...

Part #: 39793 3× White

Technic Connector...

Part #: 39793 2× Black

Technic Beam Fram...

Part #: 39794 2× Black

Technic Pin Long ...

Part #: 39888 10× Tan

Plate Round 2 x 2...

Part #: 4032a 11× Black

Plate Round 2 x 2...

Part #: 4032a 1× Light Bluish Gray

Technic Beam 1 x ...

Part #: 40490 4× Black

Technic Beam 1 x ...

Part #: 40490 1× Light Bluish Gray

Technic Beam 1 x ...

Part #: 41239 15× Black

Propeller 8 Blade...

Part #: 41530 1× Flat Silver

Tile 1 x 8 with G...

Part #: 4162 1× Black

Technic Beam 1 x ...

Part #: 41677 29× Dark Bluish Gray

Technic Beam 1 x ...

Part #: 41677 26× Black

Technic Wedge Bel...

Part #: 4185 2× Black

Technic Axle and ...

Part #: 42003 5× Dark Bluish Gray

Technic Axle and ...

Part #: 42003 12× Light Bluish Gray

Technic Axle Conn...

Part #: 42135 15× Black

Technic Axle Conn...

Part #: 42135 10× Dark Bluish Gray

Technic Driving R...

Part #: 42195 4× Red

Technic Pin 1/2 w...

Part #: 4274 47× Light Bluish Gray

Technic Pin Long ...

Part #: 42924 128× Blue

Technic Axle Pin ...

Part #: 43093 102× Blue

Technic Beam 1 x ...

Part #: 43857 4× Bright Green

Technic Beam 1 x ...

Part #: 43857 8× Black

Dish 3 x 3 Invert...

Part #: 43898 2× Trans-Clear

Dish 3 x 3 Invert...

Part #: 43898 1× Black

Technic Axle 7

Part #: 44294 5× Light Bluish Gray

Dish 6 x 6 Invert...

Part #: 44375b 4× Black

Technic Pin Conne...

Part #: 44874 9× Black

Technic Axle 3

Part #: 4519 48× Light Bluish Gray

Technic Steering ...

Part #: 46490 4× Light Bluish Gray

Clutch Outer Side...

Part #: 46834 2× White

Clutch Inner Side...

Part #: 46835 2× Dark Bluish Gray

Technic Tooth 1 x...

Part #: 48267 2× Dark Bluish Gray

Bar 1L with Clip ...

Part #: 48729b 3× Black

Technic Pin Conne...

Part #: 49130 2× Light Bluish Gray

Wire Clip with Ax...

Part #: 49283 2× Red

Wire Clip with Ax...

Part #: 49283 2× White

Wire Clip with Ax...

Part #: 49283 2× Blue

Wire Clip with Ax...

Part #: 49283 1× Green

Animal, Bird, Duc...

Part #: 49661pr0001 1× Yellow

Technic Steering ...

Part #: 52730 6× Dark Bluish Gray

Technic Steering ...

Part #: 52731 7× Light Bluish Gray

Brick Sloped 30° ...

Part #: 54200 1× Black

Brick Sloped 30° ...

Part #: 54200 2× Trans-Orange

Technic Axle 8 wi...

Part #: 55013 3× Dark Bluish Gray

Wheel 43.2 x 26 T...

Part #: 56908 4× Light Bluish Gray

Technic Axle 5.5 ...

Part #: 59426 1× Dark Bluish Gray

Technic Axle Conn...

Part #: 59443 29× Dark Bluish Gray

Cone 1 x 1 [Top G...

Part #: 59900 2× Black

Technic Beam 1 x ...

Part #: 60483 8× Light Bluish Gray

Technic Beam 1 x ...

Part #: 60483 11× Dark Bluish Gray

Technic Beam 3 x ...

Part #: 60484 13× Black

Technic Axle 9

Part #: 60485 3× Yellow

Equipment Hose No...

Part #: 60849 2× Black

Technic Pin 1/2 w...

Part #: 61184 2× Light Bluish Gray

Plate Special 1 x...

Part #: 61252 1× Light Bluish Gray

Technic Pin with ...

Part #: 61332 348× Black

Technic Beam 3 x ...

Part #: 61408 1× Red

Bar 1 x 3 (Radio ...

Part #: 6190 2× Black

Technic Pin Conne...

Part #: 62462 6× White

Technic Pin Conne...

Part #: 62462 25× Black

Technic Panel Cur...

Part #: 62531 4× Black

Technic Panel Cur...

Part #: 62531 2× Dark Bluish Gray

Technic Axle and ...

Part #: 63869 2× Black

Technic Axle and ...

Part #: 63869 19× Light Bluish Gray

Bar 6L with Stop ...

Part #: 63965 4× Black

Technic Beam Fram...

Part #: 64179 4× Black

Technic Panel 5 x...

Part #: 64782 5× Dark Bluish Gray

Technic Panel 5 x...

Part #: 64782 1× Black

Technic Pin Long ...

Part #: 65304 20× Light Bluish Gray

Technic Pin Long ...

Part #: 65304 14× Black

Technic Axle and ...

Part #: 6536 1× White

Technic Axle and ...

Part #: 6536 34× Dark Bluish Gray

Differential Gear...

Part #: 65413 2× Red

Differential Gear...

Part #: 65414 2× Light Bluish Gray

Technic Pin Conne...

Part #: 65487 4× Dark Bluish Gray

Technic Pin Conne...

Part #: 65487 32× Light Bluish Gray

Technic Pin Conne...

Part #: 65489 7× Light Bluish Gray

Technic Gear Diff...

Part #: 6573 1× Red

Technic Axle 3 wi...

Part #: 6587 3× Dark Tan

Technic Gear 12 T...

Part #: 6589 13× Tan

Technic Beam 1 x ...

Part #: 6629 4× Black

Technic Beam 1 x ...

Part #: 6632 14× Black

Technic Beam 1 x ...

Part #: 6632 10× Dark Bluish Gray

Tile 1 x 6 with G...

Part #: 6636 1× Black

Technic Pin with ...

Part #: 66906 9× Red

Technic Axle and ...

Part #: 69819 2× Dark Bluish Gray

Tyre 81 x 35 Tractor

Part #: 69912 4× Black

Technic Beam 2 x ...

Part #: 71708 6× Black

Technic Beam 2 x ...

Part #: 71708 11× Dark Bluish Gray

Technic Panel 3 x...

Part #: 71709 3× Dark Bluish Gray

Technic Panel 3 x...

Part #: 71709 8× Black

Technic Beam 1 x ...

Part #: 71710 2× Black

Technic Beam 1 x ...

Part #: 73507 9× Black

Shield Round Bowe...

Part #: 75902pr0028 1× Black

Technic Steering ...

Part #: 77590 3× Light Bluish Gray

Sticker Sheet for...

Part #: 77604 1× [No Color/Any Color]

Hose, Ribbed 7mm ...

Part #: 78c03 1× Flat Silver

Hub, Powered Up 4...

Part #: 85824 1× Light Bluish Gray

Plate Round 1 x 1...

Part #: 85861 4× Black

Tile 2 x 4 with G...

Part #: 87079 1× Light Bluish Gray

Technic Axle 4 wi...

Part #: 87083 26× Dark Bluish Gray

Technic Gear Rack...

Part #: 87761 1× Black

Bar 3L

Part #: 87994 1× Bright Green

Bar 3L

Part #: 87994 2× Dark Bluish Gray

Plate Special 3 x...

Part #: 88646 2× Black

Technic Shock Abs...

Part #: 89954c01 4× Red

Technic Axle and ...

Part #: 92907 2× Black

Brick Round 2 x 2...

Part #: 92947 1× Dark Bluish Gray

Brick Round 2 x 2...

Part #: 92947 7× Light Bluish Gray

Brick Curved 4 x ...

Part #: 93273 1× Black

Technic Gear 16 T...

Part #: 94925 12× Light Bluish Gray

Tile Round 1 x 1

Part #: 98138 4× Trans-Clear

Tile Round 1 x 1

Part #: 98138 10× Trans-Orange

Tile Round 1 x 1

Part #: 98138 3× Black

Technic Axle 4 wi...

Part #: 99008 2× Tan

Technic Beam Tria...

Part #: 99773 4× Light Bluish Gray

Bracket 1 x 2 - 1...

Part #: 99780 2× Black

This set offers a wide variety of Technic pins and connectors in useful quantities, making it a great source for MOC builders looking to create complex mechanisms and structures. The abundance of black and dark bluish gray elements provides a solid foundation for various Technic projects.

🛒 Where to Buy

eBay

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💎 Notable Parts

Black Technic Pin with Friction Ridges Lengthwise with No Center Slots (346x) $10.38

Blue Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot (128x) $6.40

Blue Technic Axle Pin with Friction Ridges Lengthwise (102x) $5.10

Red Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle (41x) $2.05

Black Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle (40x) $2.00

Est. BrickLink Part Value

$25.93

💡 MOC Potential

🚗 Custom off-road vehicles with unique suspension systems

🤖 A heavy-duty construction robot with advanced articulation

🚗 A recovery vehicle with a working crane and winch

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

1 video found

BlockTalk AI

Sariel's Bricks & Pets provides an off-road test of the LEGO 42129 Mercedes-Benz Zetros, demonstrating its capabilities across diverse terrains. The video focuses on the truck's performance, showing its strengths and limitations in challenging conditions.