4x4 Mercedes-Benz Zetros Trial Truck

42129-1 Technic 2021 2131 parts 2.9% Advanced

The LEGO Technic 4x4 Mercedes-Benz Zetros Trial Truck (42129-1) recreates the robust off-road vehicle with 2131 pieces, showcasing formidable engineering. This detailed model features fully independent working suspension on all four wheels, ready to tackle simulated rough terrain. Builders can open the cab doors and hood, revealing a meticulously detailed engine bay complete with a spinning radiator fan. A service hatch provides access to inspect the internal gearbox mechanisms. Unique to this Technic set is its CONTROL+ app integration, enabling precise steering and remote activation of differential locking for enhanced maneuverability. The app also offers challenges, extending the play beyond construction. This model embodies the Zetros's rugged capabilities.

Parts Inventory

🧱 2131 parts
PartQty
Technic Pin Connector Hub with 2 Perpendicular Axles

Technic Pin Connector Hub with 2 Perpendicular Axles

10197

€0,18
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Technic Gear 8 Tooth [Reinforced]

Technic Gear 8 Tooth [Reinforced]

10928

€0,15
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Flag 2 x 2 Square, Flat Clip Edge [Thick Clips]

Flag 2 x 2 Square, Flat Clip Edge [Thick Clips]

11055

View
Flag 2 x 2 Square, Flat Clip Edge [Thick Clips]

Flag 2 x 2 Square, Flat Clip Edge [Thick Clips]

11055

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Plate 3 x 3

Plate 3 x 3

11212

€0,12
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Plate 3 x 3

Plate 3 x 3

11212

€0,12
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Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle

Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle

11214

41×
€0,29
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Plate Special 1 x 2 with Pin Hole on Top

Plate Special 1 x 2 with Pin Hole on Top

11458

€0,10
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Slope Curved 2 x 1 No Studs [1/2 Bow]

Slope Curved 2 x 1 No Studs [1/2 Bow]

11477

€0,06
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Technic Beam 1 x 5 Thin with Axle Holes on Ends

Technic Beam 1 x 5 Thin with Axle Holes on Ends

11478

16×
€0,25
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Technic Beam 1 x 5 Thin with Axle Holes on Ends

Technic Beam 1 x 5 Thin with Axle Holes on Ends

11478

€0,25
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Technic Panel Fairing #21 5L Small Smooth, Side B

Technic Panel Fairing #21 5L Small Smooth, Side B

11946

€0,38
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Repairability

Can you fix 4x4 Mercedes-Benz Zetros Trial Truck if a piece goes missing?

2.9%Low repair risk
easy to fixguard this box

7 of the 245 part+color combinations in this set appear in 3 or fewer sets ever made. Lose one of those and a replacement is very hard to find.

Theme average

6.5%

All sets

6.7%

Hardest to replace

Tyre 81 x 35 Tractor · Black · only this setShield Round Bowed · Black · only this setSticker Sheet for Set 42129-1 · Unknown · only this set
How we calculate this →

More Technic sets

Browse more LEGO Technic sets related to 4x4 Mercedes-Benz Zetros Trial Truck, including models from 2021 and other sets in the same theme.

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Build DNA

Parts inventory insights for 4x4 Mercedes-Benz Zetros Trial Truck

2,131 pieces puts this build +228% against the average Technic set and +298% against the average 2021 release.

LEGO Technic

Vs average Technic set

+228%+1,482 parts
This set2,131
Average set649

Average Technic set: 649 pieces across 453 other sets.

Vs average 2021 set

+298%+1,595 parts
This set2,131
Average set536

Average 2021 set: 536 pieces across 471 other sets.

Color profile

19different colors

Dominant color

Red

Red43x
50%
Dark Bluish Gray18x
21%
Black18x
21%
White6x
7%

Unique parts

0.5 pieces per unique type

185

Repeat factor

Average pieces per unique type.

1x

Most used part

Technic Pin with Friction Ridges Lengthwise with No Center Slots

Technic Pin with Friction Ridges Lengthwise with No Center Slots348x

Results are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.

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