# LEGO 42129-1 — 4x4 Mercedes-Benz Zetros Trial Truck (2021)

Source: https://www.brickmissing.com/sets/42129-1-4x4-mercedes-benz-zetros-trial-truck
Publisher: BrickMissing (https://www.brickmissing.com) — free LEGO parts checker. Not affiliated with the LEGO Group.

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.

## Set facts

- Set number: 42129-1
- Name: 4x4 Mercedes-Benz Zetros Trial Truck
- Theme: Technic › Licensed
- Released: 2021
- Pieces: 2131
- Distinct part + colour lots: 245
- Build difficulty: advanced
- Repairability: 2.9% of this set's lots are hard to replace (7 of 245 part+colour combinations appear in three or fewer sets in the entire LEGO catalog).

## Complete parts list (245 lots, 2131 pieces)

Prices are the official LEGO Pick a Brick price per individual part, where LEGO publishes one.

| Qty | Part | Colour | Part no. | LEGO element ID | LEGO price each |
| ---: | --- | --- | --- | --- | --- |
| 6 | Technic Pin Connector Hub with 2 Perpendicular Axles | Dark Bluish Gray | 10197 | 6005331 | €0,18 |
| 1 | Technic Gear 8 Tooth [Reinforced] | Dark Bluish Gray | 10928 | 6012451 | €0,15 |
| 2 | Flag 2 x 2 Square, Flat Clip Edge [Thick Clips] | Red | 11055 | 6011814 | — |
| 6 | Flag 2 x 2 Square, Flat Clip Edge [Thick Clips] | White | 11055 | 6011794 | — |
| 1 | Plate 3 x 3 | Black | 11212 | 6174917 | €0,12 |
| 1 | Plate 3 x 3 | Light Bluish Gray | 11212 | 6015347 | €0,12 |
| 41 | Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle | Red | 11214 | 6209519 | €0,29 |
| 2 | Plate Special 1 x 2 with Pin Hole on Top | Dark Bluish Gray | 11458 | 6019987 | €0,10 |
| 1 | Slope Curved 2 x 1 No Studs [1/2 Bow] | Black | 11477 | 6047276 | €0,06 |
| 16 | Technic Beam 1 x 5 Thin with Axle Holes on Ends | Black | 11478 | 6327028 | €0,25 |
| 8 | Technic Beam 1 x 5 Thin with Axle Holes on Ends | Dark Bluish Gray | 11478 | 6370946 | €0,25 |
| 1 | Technic Panel Fairing #21 5L Small Smooth, Side B | Dark Bluish Gray | 11946 | 6330085 | €0,38 |
| 1 | Technic Panel Fairing #22 5L Small Smooth, Side A | Dark Bluish Gray | 11947 | 6352665 | €0,38 |
| 3 | Technic Panel 3 x 11 x 1 | Dark Bluish Gray | 15458 | 6127205 | €1,13 |
| 7 | Technic Panel 3 x 11 x 1 | Black | 15458 | 6080356 | €1,13 |
| 3 | Technic Axle 5 with Stop | Reddish Brown | 15462 | 6159763 | €0,11 |
| 6 | Tile Round 2 x 2 with Hole | Black | 15535 | 6143850 | €0,07 |
| 1 | Tile Round 2 x 2 with Hole | Light Bluish Gray | 15535 | 6179186 | €0,07 |
| 3 | Slope 45? 2 x 1 with 2/3 Cutout [New Version] | Light Bluish Gray | 15672 | 6093859 | €0,05 |
| 2 | Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] | Tan | 18575 | 6346517 | €0,36 |
| 42 | Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle | Black | 18651 | 6089119 | €0,08 |
| 20 | Technic Pin Connector Round 1L [Beam] | Dark Bluish Gray | 18654 | 6100030 | €0,05 |
| 3 | Technic Pin Connector Round 1L [Beam] | Light Bluish Gray | 18654 | 6183784 | €0,05 |
| 23 | Technic Pin Connector Round 1L [Beam] | Black | 18654 | 6121485 | €0,05 |
| 1 | Plate Special Round 2 x 2 with Center Stud (Jumper Plate) | Dark Bluish Gray | 18674 | 6115080 | €0,07 |
| 10 | Plate Special 1 x 2 with Pin Hole Underneath | Black | 18677 | 6192309 | €0,07 |
| 4 | Technic Gear 16 Tooth with Clutch on Both Sides | Red | 18946 | 6100930 | €0,42 |
| 2 | Technic Driving Ring 3L | Dark Bluish Gray | 18947 | 6100931 | €0,47 |
| 1 | Tile Round 1 x 1 with Hollow Bar | Light Bluish Gray | 20482 | 6258831 | €0,05 |
| 1 | Motor, Medium, We-Do 2.0 | White | 21980 | 6127110 | — |
| 3 | Motor, Large, Powered Up | Dark Bluish Gray | 22169 | 6214085 | — |
| 1 | Bar 2L with Towball | Dark Bluish Gray | 22484 | 6364352 | €0,08 |
| 20 | Technic Pin Connector Hub with 1 Axle | Dark Bluish Gray | 22961 | 6135014 | €0,13 |
| 3 | Technic Panel Curved and Bent 6 x 3 | Black | 24116 | 6268012 | €0,71 |
| 2 | Technic Panel Curved 7 x 3 with 2 Pin Holes through Panel Surface | Black | 24119 | 6150082 | €0,63 |
| 5 | Tile Special 1 x 2 Grille with Bottom Groove | Black | 2412b | 241226 | €0,06 |
| 3 | Tile Special 1 x 2 Grille with Bottom Groove | Light Bluish Gray | 2412b | 4211350 | €0,06 |
| 3 | Tile 1 x 4 with Groove | Black | 2431 | 243126 | €0,12 |
| 18 | Technic Axle 3 with Stop | Reddish Brown | 24316 | 6135494 | €0,07 |
| 2 | Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end | Light Bluish Gray | 25214 | 6151349 | €0,23 |
| 6 | Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end | Black | 25214 | 6179182 | €0,23 |
| 2 | Plate Round 2 x 2 with Rounded Bottom [Boat Stud] | Black | 2654 | 4278359 | €0,07 |
| 2 | Plate Round 2 x 2 with Rounded Bottom [Boat Stud] | Trans-Clear | 2654 | 6163901 | €0,12 |
| 2 | Tile 2 x 3 | Black | 26603 | 6162892 | €0,11 |
| 1 | Technic Disc 3 x 3 | Black | 2723 | 4218868 | €0,21 |
| 3 | Technic Axle Towball | Light Bluish Gray | 2736 | 4211375 | €0,13 |
| 4 | Technic Pin Connector Hub with 2 Axles | Dark Bluish Gray | 27940 | 6167281 | €0,17 |
| 5 | Plate Special 2 x 2 with 2 Pin Holes | Black | 2817 | 281726 | €0,15 |
| 1 | Technic Steering Wheel Small (3 Studs Diameter) | Black | 2819 | 4580509 | €0,34 |
| 8 | Technic Beam 1 x 4 Thin with Stud Connector | Light Bluish Gray | 2825 | 6331574 | €0,21 |
| 1 | Slope Curved 2 x 1 with Stud Notch Right | Dark Bluish Gray | 29119 | 6204667 | €0,07 |
| 1 | Slope Curved 2 x 1 with Stud Notch Left | Dark Bluish Gray | 29120 | 6204668 | €0,07 |
| 1 | Lever Small Base with Black Lever | Black | 298c02 | 73587 | €0,19 |
| 4 | Plate 2 x 4 | Black | 3020 | 302026 | €0,15 |
| 3 | Plate 2 x 3 | Light Bluish Gray | 3021 | 4211396 | €0,13 |
| 1 | Plate 2 x 2 | Light Bluish Gray | 3022 | 4211397 | €0,10 |
| 1 | Plate 1 x 2 | Light Bluish Gray | 3023 | 302328 | €0,08 |
| 4 | Plate 1 x 2 | Black | 3023 | 302326 | €0,08 |
| 6 | Plate 1 x 1 | Dark Bluish Gray | 3024 | 4210719 | €0,06 |
| 3 | Plate 1 x 1 | Trans-Orange | 3024 | 6513961 | €0,06 |
| 2 | Brick Round 2 x 2 Dome Top, Hollow Stud | Red | 30367c | 4216657 | — |
| 3 | Bar 4L (Lightsaber Blade / Wand) | Black | 30374 | 6116604 | €0,05 |
| 4 | Bar 4L (Lightsaber Blade / Wand) | Dark Bluish Gray | 30374 | 6378143 | €0,05 |
| 3 | Tile 2 x 2 with Groove | Black | 3068b | 306826 | €0,07 |
| 1 | Tile 2 x 2 with Groove | Light Bluish Gray | 3068b | 4211413 | €0,07 |
| 2 | Tile 1 x 2 with Groove | Trans-Clear | 3069b | 6514223 | €0,07 |
| 2 | Tile 1 x 2 with Groove | Trans-Orange | 3069b | 6514225 | €0,07 |
| 4 | Tile 1 x 2 with Groove | Trans-Red | 3069b | 6514220 | €0,07 |
| 2 | Tile 1 x 1 with Groove | Black | 3070b | 307026 | €0,05 |
| 2 | Tile 1 x 1 with Groove | Trans-Orange | 3070b | 6254252 | €0,06 |
| 2 | Tile 1 x 1 with Groove | Dark Bluish Gray | 3070b | 4210848 | €0,05 |
| 10 | Technic Steering Arm 5 x 1 with Towball Socket (Type2) | Light Bluish Gray | 31794 | 6247352 | €0,51 |
| 6 | Technic Pin 3/4 | Tan | 32002 | 6013938 | €0,08 |
| 1 | Technic Link 1 x 6 without Stoppers | Dark Bluish Gray | 32005a | 4629920 | €0,22 |
| 2 | Technic Beam 1 x 11.5 Double Bent Thick | Black | 32009 | 6271152 | €0,39 |
| 10 | Technic Axle and Pin Connector Angled #1 | Black | 32013 | 6284699 | €0,08 |
| 2 | Technic Axle and Pin Connector Angled #3 - 157.5? | Dark Bluish Gray | 32016 | 6366184 | €0,13 |
| 19 | Technic Axle and Pin Connector Angled #2 - 180° | Black | 32034 | 6271869 | €0,11 |
| 12 | Technic Beam 3 x 3 L-Shape Thin | Black | 32056 | 6271810 | €0,31 |
| 33 | Technic Axle 2 Notched | Red | 32062 | 4142865 | €0,07 |
| 8 | Technic Beam 1 x 6 Thin | Light Bluish Gray | 32063 | 6170293 | €0,13 |
| 16 | Technic Axle 5 | Yellow | 32073 | 6130008 | €0,11 |
| 7 | Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced | Light Bluish Gray | 32123b | 6271165 | €0,04 |
| 10 | Technic Axle and Pin Connector Toggle Joint Smooth | Dark Bluish Gray | 32126 | 6457116 | €0,25 |
| 10 | Technic Beam 2 x 4 L-Shape Thick | Black | 32140 | 6271825 | €0,15 |
| 17 | Technic Beam 2 x 4 L-Shape Thick | Dark Bluish Gray | 32140 | 6271830 | €0,15 |
| 10 | Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole | Dark Bluish Gray | 32184 | 6276984 | €0,12 |
| 1 | Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole | Black | 32184 | 6276951 | €0,12 |
| 4 | Technic Axle and Pin Connector Angled #4 - 135° | Dark Bluish Gray | 32192 | 6262899 | €0,19 |
| 6 | Technic Gear 12 Tooth Double Bevel | Black | 32270 | 4177431 | €0,18 |
| 2 | Technic Beam 1 x 15 Thick | Dark Bluish Gray | 32278 | 4542576 | €0,42 |
| 8 | Technic Beam 1 x 5 Thick | Dark Bluish Gray | 32316 | 4210686 | €0,19 |
| 4 | Technic Beam 1 x 5 Thick | Olive Green | 32316 | 6278029 | — |
| 21 | Technic Beam 1 x 5 Thick | Black | 32316 | 4142135 | €0,19 |
| 10 | Technic Beam 1 x 4 Thin | Dark Bluish Gray | 32449 | 6327561 | €0,19 |
| 14 | Technic Beam 1 x 3 Thick | White | 32523 | 4208160 | €0,10 |
| 8 | Technic Beam 1 x 3 Thick | Dark Bluish Gray | 32523 | 4210751 | €0,10 |
| 10 | Technic Beam 1 x 3 Thick | Black | 32523 | 4142822 | €0,10 |
| 11 | Technic Beam 1 x 7 Thick | Dark Bluish Gray | 32524 | 4495931 | €0,25 |
| 5 | Technic Beam 1 x 7 Thick | Bright Green | 32524 | 6097392 | €0,25 |
| 21 | Technic Beam 1 x 11 Thick | Dark Bluish Gray | 32525 | 4603472 | €0,33 |
| 9 | Technic Beam 1 x 11 Thick | Bright Green | 32525 | 6097390 | — |
| 8 | Technic Beam 3 x 5 L-Shape Thick | Dark Bluish Gray | 32526 | 4210753 | €0,24 |
| 3 | Technic Beam 3 x 5 L-Shape Thick | Black | 32526 | 4142823 | €0,24 |
| 4 | Technic Beam 3 x 5 L-Shape Thick | Bright Green | 32526 | 6097397 | — |
| 4 | Technic Pin Connector Perpendicular Long | Light Bluish Gray | 32557 | 4211714 | €0,22 |
| 2 | Plate Round 1 x 1 with Hollow Stud and Horizontal Bar 1L | Black | 32828 | 6196548 | €0,05 |
| 1 | Technic Gear 20 Tooth Double Bevel with Clutch on Both Sides | Black | 35185 | 6224999 | €0,41 |
| 2 | Gear Shifter | Orange | 35188 | 6227330 | — |
| 2 | Plate Special 2 x 2 Splat Gear with 6 Teeth | Black | 35442 | 6306064 | €0,21 |
| 1 | Brick 1 x 3 | Light Bluish Gray | 3622 | 4211428 | €0,15 |
| 4 | Plate 1 x 3 | Black | 3623 | 362326 | €0,07 |
| 2 | Plate 1 x 3 | Dark Bluish Gray | 3623 | 4211133 | €0,07 |
| 1 | Plate 1 x 3 | Light Bluish Gray | 3623 | 4211429 | €0,07 |
| 3 | Technic Gear 24 Tooth [New Style with Single Axle Hole] | Dark Bluish Gray | 3648b | 6133119 | €0,33 |
| 3 | Technic Pin without Friction Ridges Lengthwise | Light Bluish Gray | 3673 | 4211807 | €0,05 |
| 3 | Technic Axle 4 | Red | 3705 | 6129995 | €0,08 |
| 5 | Technic Axle 4 | Black | 3705 | 370526 | €0,08 |
| 5 | Technic Axle 6 | Red | 3706 | 6130002 | €0,12 |
| 1 | Plate 1 x 4 | Black | 3710 | 371026 | €0,12 |
| 18 | Technic Bush | Red | 3713 | 6271820 | €0,05 |
| 4 | Technic Axle 10 | Black | 3737 | 373726 | €0,25 |
| 10 | Technic Axle Pin without Friction Ridges Lengthwise | Tan | 3749 | 4666579 | €0,06 |
| 2 | Brick Round 2 x 2 with Axle Hole | White | 3941 | 614301 | €0,11 |
| 2 | Brick Round 2 x 2 with Axle Hole | Black | 3941 | 614326 | €0,11 |
| 4 | Brick Round 2 x 2 with Axle Hole | Red | 3941 | 614321 | €0,11 |
| 3 | Technic Connector Beam 3 x 3 | White | 39793 | 6247424 | €0,38 |
| 2 | Technic Connector Beam 3 x 3 | Black | 39793 | 6265644 | €0,38 |
| 2 | Technic Beam Frame 7 x 11 | Black | 39794 | 6265643 | €1,59 |
| 10 | Technic Pin Long without Friction Ridges, with Anti-Roll Notch | Tan | 39888 | 6321305 | €0,08 |
| 1 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | Light Bluish Gray | 4032a | 4211475 | €0,06 |
| 11 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | Black | 4032a | 403226 | €0,06 |
| 1 | Technic Beam 1 x 9 Thick | Light Bluish Gray | 40490 | 6102449 | €0,29 |
| 4 | Technic Beam 1 x 9 Thick | Black | 40490 | 4645732 | €0,29 |
| 15 | Technic Beam 1 x 13 Thick | Black | 41239 | 4522933 | €0,39 |
| 1 | Propeller 8 Blade 5 Diameter | Flat Silver | 41530 | 6054533 | — |
| 1 | Tile 1 x 8 with Groove | Black | 4162 | 416226 | €0,15 |
| 29 | Technic Beam 1 x 2 Thin | Dark Bluish Gray | 41677 | 6338422 | €0,13 |
| 26 | Technic Beam 1 x 2 Thin | Black | 41677 | 6338428 | €0,13 |
| 2 | Technic Wedge Belt Wheel [aka Pulley] | Black | 4185 | 6323668 | €0,30 |
| 5 | Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes | Dark Bluish Gray | 42003 | 6273715 | €0,12 |
| 12 | Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes | Light Bluish Gray | 42003 | 6273724 | €0,12 |
| 15 | Technic Axle Connector with Axle Hole [Reinforced] | Black | 42135 | 6331716 | €0,27 |
| 10 | Technic Axle Connector with Axle Hole [Reinforced] | Dark Bluish Gray | 42135 | 6375679 | €0,27 |
| 4 | Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls] | Red | 42195 | 6273211 | €0,13 |
| 47 | Technic Pin 1/2 | Light Bluish Gray | 4274 | 4211483 | €0,05 |
| 128 | Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot | Black | 42924 | 6299413 | €0,10 |
| 102 | Technic Axle Pin with Friction Ridges Lengthwise | Black | 43093 | 4206482 | €0,06 |
| 8 | Technic Beam 1 x 2 Thick | Black | 43857 | 4177444 | €0,12 |
| 4 | Technic Beam 1 x 2 Thick | Bright Green | 43857 | 6316318 | €0,12 |
| 2 | Dish 3 x 3 Inverted [Radar] | Trans-Clear | 43898 | 6507917 | €0,19 |
| 1 | Dish 3 x 3 Inverted [Radar] | Black | 43898 | 4180087 | €0,17 |
| 5 | Technic Axle 7 | Light Bluish Gray | 44294 | 4211805 | €0,16 |
| 4 | Dish 6 x 6 Inverted (Radar) with Solid Studs | Black | 44375b | 6058341 | €0,51 |
| 9 | Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Small Squared Pin Holes] | Black | 44874 | 6366229 | €0,18 |
| 48 | Technic Axle 3 | Light Bluish Gray | 4519 | 4211815 | €0,05 |
| 4 | Technic Steering Wheel Hub with Planetary Gear Reduction | Light Bluish Gray | 46490 | 6275902 | — |
| 2 | Clutch Outer Side with Axle Connector | White | 46834 | 6257336 | €0,69 |
| 2 | Clutch Inner Side with Axle Connector | Dark Bluish Gray | 46835 | 6257337 | €0,59 |
| 2 | Technic Tooth 1 x 3 with Axle Hole [Hollow Underside] | Dark Bluish Gray | 48267 | 6504969 | €0,11 |
| 3 | Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip] | Black | 48729b | 4289538 | — |
| 2 | Technic Pin Connector Hub Perpendicular 3 x 3 Bent with 4 Pins (Pin Ridges Along Part) | Light Bluish Gray | 49130 | 6313453 | €0,35 |
| 1 | Wire Clip with Axle Hole | Light Bluish Gray | 49283 | 6263072 | — |
| 2 | Wire Clip with Axle Hole | Black | 49283 | 6263071 | — |
| 2 | Wire Clip with Axle Hole | Red | 49283 | 6263067 | €0,29 |
| 2 | Wire Clip with Axle Hole | White | 49283 | 6278194 | — |
| 1 | Animal, Bird, Duck / Duckling with Black Eyes, Orange Beak | Yellow | 49661pr0001 | 6269141 | €1,66 |
| 6 | Technic Steering / CV Ball Joint Female 4L | Dark Bluish Gray | 52730 | 6261793 | €0,44 |
| 7 | Technic Steering / CV Ball Joint Male 3L | Light Bluish Gray | 52731 | 6262968 | €0,36 |
| 2 | Slope 30° 1 x 1 x 2/3 (Cheese Slope) | Trans-Orange | 54200 | 6245265 | €0,08 |
| 1 | Slope 30° 1 x 1 x 2/3 (Cheese Slope) | Black | 54200 | 4504382 | €0,06 |
| 3 | Technic Axle 8 with Stop | Dark Bluish Gray | 55013 | 4499858 | €0,21 |
| 4 | Wheel 43.2 x 26 Technic Racing Small with 6 Pinholes | Light Bluish Gray | 56908 | 4634091 | — |
| 1 | Technic Axle 5.5 with Stop [Rounded Short End] | Dark Bluish Gray | 59426 | 4508553 | €0,11 |
| 29 | Technic Axle Connector Smooth [with x Hole + Orientation] | Dark Bluish Gray | 59443 | 4516546 | €0,06 |
| 2 | Cone 1 x 1 [Top Groove] | Black | 59900 | 4529236 | €0,05 |
| 8 | Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole | Light Bluish Gray | 60483 | 6265089 | €0,07 |
| 11 | Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole | Dark Bluish Gray | 60483 | 6265093 | €0,07 |
| 13 | Technic Beam 3 x 3 T-Shape Thick | Black | 60484 | 4552347 | €0,18 |
| 3 | Technic Axle 9 | Yellow | 60485 | 6130010 | €0,21 |
| 2 | Equipment Hose Nozzle / Gun with Side String Hole Simplified | Black | 60849 | 4537551 | €0,12 |
| 2 | Technic Pin 1/2 with 2L Bar Extension | Light Bluish Gray | 61184 | 6347715 | €0,15 |
| 1 | Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] | Light Bluish Gray | 61252 | 6335378 | €0,13 |
| 348 | Technic Pin with Friction Ridges Lengthwise with No Center Slots | Black | 61332 | 6279875 | €0,06 |
| 1 | Technic Beam 3 x 0.5 Liftarm with Boss and Blocked, Squared Pin Hole | Red | 61408 | 6331864 | €0,25 |
| 2 | Bar 1 x 3 (Radio Handle, Phone Handset) | Black | 6190 | 6151289 | €0,17 |
| 6 | Technic Pin Connector Round [Slotted] | White | 62462 | 6173116 | €0,06 |
| 25 | Technic Pin Connector Round [Slotted] | Black | 62462 | 6173119 | €0,06 |
| 4 | Technic Panel Curved 11 x 3 with 2 Pin Holes through Panel Surface | Black | 62531 | 6214731 | €0,98 |
| 2 | Technic Panel Curved 11 x 3 with 2 Pin Holes through Panel Surface | Dark Bluish Gray | 62531 | 6537708 | €0,98 |
| 2 | Technic Axle and Pin Connector Perpendicular Triple | Black | 63869 | 6362991 | €0,17 |
| 19 | Technic Axle and Pin Connector Perpendicular Triple | Light Bluish Gray | 63869 | 6331441 | €0,17 |
| 4 | Bar 6L with Stop Ring | Black | 63965 | 6170421 | €0,08 |
| 4 | Technic Beam Frame 5 x 7 with 3 x 5 Opening Thick | Black | 64179 | 6016154 | €0,91 |
| 5 | Technic Panel 5 x 11 x 1 | Dark Bluish Gray | 64782 | 6207990 | €1,19 |
| 1 | Technic Panel 5 x 11 x 1 | Black | 64782 | 4566243 | €1,19 |
| 14 | Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] | Black | 65304 | 6321745 | €0,13 |
| 20 | Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] | Light Bluish Gray | 65304 | 6321747 | €0,13 |
| 1 | Technic Axle and Pin Connector Perpendicular | White | 6536 | 6261372 | €0,10 |
| 34 | Technic Axle and Pin Connector Perpendicular | Dark Bluish Gray | 6536 | 6261374 | €0,10 |
| 2 | Differential Gear - 28 Tooth with Round Axle Hole | Red | 65413 | 6285646 | — |
| 2 | Differential Gear House | Light Bluish Gray | 65414 | 6285647 | €0,91 |
| 32 | Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Square Holes] | Light Bluish Gray | 65487 | 6282142 | €0,11 |
| 4 | Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Square Holes] | Dark Bluish Gray | 65487 | 6282144 | €0,11 |
| 7 | Technic Pin Connector Hub Perpendicular 3L with 4 Pins (Squared Holes) | Light Bluish Gray | 65489 | 6282158 | €0,22 |
| 1 | Technic Gear Differential, 24 -16 Tooth with Clutch on Both Sides | Red | 6573 | 6510296 | €1,34 |
| 3 | Technic Axle 3 with Stud | Dark Tan | 6587 | 6031821 | €0,10 |
| 13 | Technic Gear 12 Tooth Bevel | Tan | 6589 | 4565452 | €0,10 |
| 4 | Technic Beam 1 x 9 Bent (6 - 4) Thick | Black | 6629 | 6279881 | €0,34 |
| 14 | Technic Beam 1 x 3 Thin | Black | 6632 | 6331723 | €0,25 |
| 10 | Technic Beam 1 x 3 Thin | Dark Bluish Gray | 6632 | 6364452 | €0,25 |
| 1 | Tile 1 x 6 with Groove | Black | 6636 | 663626 | €0,13 |
| 9 | Technic Pin with Friction Ridges Lengthwise and Towball - Round Pin Hole | Red | 66906 | 6360104 | €0,11 |
| 2 | Technic Axle and Pin Connector Perpendicular Double Split [Reinforced] | Dark Bluish Gray | 69819 | 6349479 | €0,46 |
| 4 | Tyre 81 x 35 Tractor | Black | 69912 | 6322450 | — |
| 11 | Technic Beam 2 x 3 L-Shape with Quarter Ellipse Thick | Dark Bluish Gray | 71708 | 6353303 | €0,22 |
| 6 | Technic Beam 2 x 3 L-Shape with Quarter Ellipse Thick | Black | 71708 | 6326047 | €0,22 |
| 3 | Technic Panel 3 x 7 x 1 | Dark Bluish Gray | 71709 | 6321715 | €0,80 |
| 8 | Technic Panel 3 x 7 x 1 | Black | 71709 | 6331935 | €0,80 |
| 2 | Technic Beam 1 x 15 Thick with Alternating Holes | Black | 71710 | 6321716 | €0,76 |
| 9 | Technic Beam 1 x 11 Thick with Alternating Holes | Black | 73507 | 6330585 | €0,65 |
| 1 | Shield Round Bowed with Silver Mesh and Mercedes Logo print | Black | 75902pr0028 | 6369390 | — |
| 3 | Technic Steering / CV Ball Joint, Cardan Ball with Cross Hole 3L | Light Bluish Gray | 77590 | 6338424 | €1,37 |
| 1 | Sticker Sheet for Set 42129-1 | Unknown | 77604 | 6338500 | — |
| 1 | Hose, Ribbed 7mm D. 3L / 2.4cm | Flat Silver | 78c03 | 6420614 | €0,59 |
| 1 | Hub, Powered Up 4-Port (Technic Control+) - Screw Opening | Light Bluish Gray | 85824 | 6370514 | — |
| 4 | Plate Round 1 x 1 with Open Stud | Black | 85861 | 6168646 | €0,04 |
| 1 | Tile 2 x 4 with Groove | Light Bluish Gray | 87079 | 4560183 | €0,16 |
| 26 | Technic Axle 4 with Stop | Dark Bluish Gray | 87083 | 6083620 | €0,07 |
| 1 | Technic Gear Rack 1 x 7 with Axle and Pin Holes | Black | 87761 | 6327430 | €0,82 |
| 2 | Bar 3L | Dark Bluish Gray | 87994 | 6310596 | €0,06 |
| 1 | Bar 3L | Bright Green | 87994 | 6161772 | €0,06 |
| 2 | Plate Special 3 x 4 with 1 x 4 Center Studs [Plain] | Black | 88646 | 6076678 | €0,22 |
| 4 | Technic Shock Absorber 6.5L with Hard Spring, Tight Coils at End, Black Rod [Complete Assembly] | Red | 89954c01 | 6378481 | €1,50 |
| 2 | Technic Axle and Pin Connector Perpendicular Split | Black | 92907 | 6279021 | €0,29 |
| 7 | Brick Round 2 x 2 [Grill] | Light Bluish Gray | 92947 | 4650645 | €0,12 |
| 1 | Brick Round 2 x 2 [Grill] | Dark Bluish Gray | 92947 | 6268169 | €0,12 |
| 1 | Slope Curved 4 x 1 Double with No Studs | Black | 93273 | 4613153 | €0,15 |
| 12 | Technic Gear 16 Tooth Reinforced [New Style] | Light Bluish Gray | 94925 | 4640536 | €0,21 |
| 4 | Tile Round 1 x 1 | Trans-Clear | 98138 | 6274738 | €0,05 |
| 10 | Tile Round 1 x 1 | Trans-Orange | 98138 | 6514197 | €0,05 |
| 3 | Tile Round 1 x 1 | Black | 98138 | 6284070 | €0,04 |
| 2 | Technic Axle 4 with Centre Stop | Tan | 99008 | 4666999 | €0,10 |
| 4 | Technic Beam Triangle Thin [Type II] | Light Bluish Gray | 99773 | 6331428 | €0,31 |
| 2 | Bracket 1 x 2 - 1 x 2 Inverted | Black | 99780 | 6020193 | €0,10 |

## Notes

- Track which of these parts you own and see what is missing: https://www.brickmissing.com/sets/42129-1-4x4-mercedes-benz-zetros-trial-truck
- Inventory data is based on official LEGO inventories via the Rebrickable catalog, updated daily.
- Part images, minifigure lists and related sets are on the set page: https://www.brickmissing.com/sets/42129-1-4x4-mercedes-benz-zetros-trial-truck