Name: LEGO 4x4 Mercedes-Benz Zetros Trial Truck (42129-1)
Brand: LEGO
SKU: 42129-1

4x4 Mercedes-Benz Zetros Trial Truck (42129-1)

LEGO set 42129-1 4x4 Mercedes-Benz Zetros Trial Truck - Image 1

Set details

Name: 4x4 Mercedes-Benz Zetros Trial Truck
Set number: 42129-1
Year: 2021
Theme: Technic
Number of parts: 2131
Number of part types: 245
Age rating: 12+
Retail price:

Browse all 2131 parts in set 42129-1 with individual pricing from BrickLink or Brick Owl.

Price source:

Value of parts:
Pricing information known of 242/245 parts.

Part

Color

Quantity

Average price

Total

Value

Motor, Large, Powered Up

Dark Bluish Gray

3 x

Hub, Powered Up 4-Port (Technic Control+) - Screw Opening

Light Bluish Gray

1 x

Tyre 81 x 35 Tractor

Black

4 x

Technic Steering Wheel Hub with Planetary Gear Reduction

Light Bluish Gray

4 x

Technic Steering Arm 5 x 1 with Towball Socket (Type2)

Light Bluish Gray

10 x

Technic Panel 5 x 11 x 1

Dark Bluish Gray

5 x

Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Square Holes]

Light Bluish Gray

32 x

Technic Steering / CV Ball Joint, Cardan Ball with Cross Hole 3L

Light Bluish Gray

3 x

Technic Steering / CV Ball Joint Female 4L

Dark Bluish Gray

6 x

Technic Steering / CV Ball Joint Male 3L

Light Bluish Gray

7 x

Technic Beam Frame 5 x 7 with 3 x 5 Opening Thick

Black

4 x

Technic Panel 3 x 11 x 1

Black

7 x

Technic Panel 3 x 7 x 1

Black

8 x

Wheel 43.2 x 26 Technic Racing Small with 6 Pinholes

Light Bluish Gray

4 x

Technic Pin with Friction Ridges Lengthwise with No Center Slots

Black

351

351 x

Technic Shock Absorber 6.5L with Hard Spring, Tight Coils at End, Black Rod [Complete Assembly]

Red

4 x

Technic Beam 1 x 13 Thick

Black

15 x

Technic Panel Curved 11 x 3 with 2 Pin Holes through Panel Surface

Black

4 x

Technic Beam Frame 7 x 11

Black

2 x

Technic Beam 1 x 11 Thick

Dark Bluish Gray

21 x

Technic Beam 1 x 11 Thick with Alternating Holes

Black

9 x

Technic Axle and Pin Connector Toggle Joint Smooth

Dark Bluish Gray

10 x

Gear Shifter

Orange

2 x

Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot

Blue

128

128 x

Shield Round Bowed with Silver Mesh and Mercedes Logo print

Black

1 x

Differential Gear - 28 Tooth with Round Axle Hole

Red

2 x

Technic Beam 2 x 3 L-Shape with Quarter Ellipse Thick

Dark Bluish Gray

11 x

Technic Beam 1 x 5 Thin with Axle Holes on Ends

Black

16 x

Technic Axle Pin with Friction Ridges Lengthwise

Blue

102

102 x

Technic Beam 1 x 2 Thin

Dark Bluish Gray

29 x

Technic Pin Connector Round [Slotted]

Black

25 x

Differential Gear House

Light Bluish Gray

2 x

Technic Beam 1 x 2 Thin

Black

26 x

Technic Gear 16 Tooth Reinforced [New Style]

Light Bluish Gray

12 x

Technic Panel Curved 11 x 3 with 2 Pin Holes through Panel Surface

Dark Bluish Gray

2 x

Technic Beam 1 x 15 Thick with Alternating Holes

Black

2 x

Technic Beam 1 x 3 Thin

Black

14 x

Technic Beam 1 x 5 Thin with Axle Holes on Ends

Dark Bluish Gray

8 x

Technic Pin 1/2

Light Bluish Gray

50 x

Technic Panel 3 x 7 x 1

Dark Bluish Gray

3 x

Technic Panel 3 x 11 x 1

Dark Bluish Gray

3 x

Technic Beam 1 x 6 Thin

Light Bluish Gray

8 x

Technic Beam 1 x 11 Thick

Bright Green

9 x

Technic Beam 3 x 3 L-Shape Thin

Black

12 x

Technic Pin Connector Hub with 1 Axle

Dark Bluish Gray

20 x

Technic Beam 1 x 4 Thin

Dark Bluish Gray

10 x

Technic Beam 2 x 3 L-Shape with Quarter Ellipse Thick

Black

6 x

Technic Panel 5 x 11 x 1

Black

1 x

Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle

Black

42 x

Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Small Squared Pin Holes]

Black

9 x

Technic Gear Differential, 24 -16 Tooth with Clutch on Both Sides

Red

1 x

Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end

Black

6 x

Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole

Dark Bluish Gray

10 x

Dish 6 x 6 Inverted (Radar) with Solid Studs

Black

4 x

Technic Axle and Pin Connector Angled #2 - 180°

Black

19 x

Technic Beam 1 x 2 Thick

Black

8 x

Animal, Bird, Duck / Duckling with Black Eyes, Orange Beak

Yellow

1 x

Technic Beam 1 x 5 Thick

Black

21 x

Technic Axle and Pin Connector Perpendicular

Dark Bluish Gray

34 x

Technic Pin Connector Round 1L [Beam]

Black

25 x

Technic Axle 3

Light Bluish Gray

48 x

Technic Axle and Pin Connector Perpendicular Triple

Light Bluish Gray

19 x

Technic Axle 10

Black

4 x

Technic Connector Beam 3 x 3

White

3 x

Bar 4L (Lightsaber Blade / Wand)

Dark Bluish Gray

4 x

Technic Beam 1 x 7 Thick

Dark Bluish Gray

11 x

Technic Axle Connector Smooth [with x Hole + Orientation]

Dark Bluish Gray

29 x

Technic Gear 24 Tooth [New Style with Single Axle Hole]

Dark Bluish Gray

3 x

Technic Connector Beam 3 x 3

Black

2 x

Technic Pin Connector Round 1L [Beam]

Dark Bluish Gray

21 x

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

Red

41 x

Technic Axle Connector with Axle Hole [Reinforced]

Dark Bluish Gray

10 x

Technic Gear 12 Tooth Bevel

Tan

13 x

Technic Beam 3 x 3 T-Shape Thick

Black

13 x

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

White

6 x

Technic Axle Connector with Axle Hole [Reinforced]

Black

15 x

Clutch Inner Side with Axle Connector

Dark Bluish Gray

2 x

Technic Beam 1 x 3 Thin

Dark Bluish Gray

10 x

Technic Beam 1 x 3 Thick

White

14 x

Technic Beam 1 x 3 Thick

Black

10 x

Clutch Outer Side with Axle Connector

White

2 x

Technic Panel Curved 7 x 3 with 2 Pin Holes through Panel Surface

Black

2 x

Technic Beam 2 x 4 L-Shape Thick

Dark Bluish Gray

17 x

Technic Beam 1 x 15 Thick

Dark Bluish Gray

2 x

Technic Axle 2 Notched

Red

33 x

Technic Pin Connector Hub Perpendicular 3 x 3 Bent with 4 Pins (Pin Ridges Along Part)

Light Bluish Gray

2 x

Technic Pin Connector Round [Slotted]

White

6 x

Technic Beam 1 x 4 Thin with Stud Connector

Light Bluish Gray

8 x

Technic Axle and Pin Connector Perpendicular Double Split [Reinforced]

Dark Bluish Gray

2 x

Technic Beam 1 x 9 Thick

Black

4 x

Technic Beam 1 x 7 Thick

Bright Green

5 x

Tile Round 2 x 2 with Hole

Black

6 x

Technic Gear 20 Tooth Double Bevel with Clutch on Both Sides

Blue

1 x

Technic Wedge Belt Wheel [aka Pulley]

Black

2 x

Brick Round 2 x 2 [Grill]

Light Bluish Gray

7 x

Technic Axle 3 with Stop

Reddish Brown

18 x

Technic Driving Ring 3L

Dark Bluish Gray

2 x

Technic Axle 4 with Stop

Dark Bluish Gray

26 x

Technic Axle and Pin Connector Angled #1

Black

10 x

Plate Special 1 x 2 with Pin Hole Underneath

Black

10 x

Technic Pin Connector Hub Perpendicular 3L with 4 Pins (Squared Holes)

Light Bluish Gray

7 x

Dish 3 x 3 Inverted [Radar]

Trans-Clear

2 x

Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole

Dark Bluish Gray

11 x

Technic Beam 3 x 5 L-Shape Thick

Bright Green

4 x

Technic Beam Triangle Thin [Type II]

Light Bluish Gray

4 x

Plate Special 3 x 4 with 1 x 4 Center Studs [Plain]

Black

2 x

Bar 1 x 3 (Radio Handle, Phone Handset)

Black

2 x

Technic Beam 3 x 5 L-Shape Thick

Dark Bluish Gray

8 x

Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole]

Light Bluish Gray

20 x

Technic Beam 1 x 5 Thick

Dark Bluish Gray

8 x

Technic Beam 1 x 3 Thick

Dark Bluish Gray

8 x

Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening]

Tan

2 x

Technic Tooth 1 x 3 with Axle Hole [Hollow Underside]

Dark Bluish Gray

2 x

Technic Gear 16 Tooth with Clutch on Both Sides

Red

4 x

Plate 1 x 3

Black

4 x

Technic Bush

Red

19 x

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

2 x

Wire Clip with Axle Hole

White

2 x

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

Red

2 x

Technic Axle and Pin Connector Angled #3 - 157.5°

Dark Bluish Gray

2 x

Wire Clip with Axle Hole

Red

2 x

Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes

Light Bluish Gray

12 x

Technic Gear 12 Tooth Double Bevel

Black

6 x

Wire Clip with Axle Hole

Blue

2 x

Technic Panel Curved and Bent 6 x 3

Black

3 x

Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Square Holes]

Dark Bluish Gray

4 x

Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls]

Red

4 x

Plate 1 x 1

Dark Bluish Gray

7 x

Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)

Black

11 x

Tile 2 x 2 with Groove

Black

3 x

Technic Axle 5

Yellow

16 x

Technic Beam 1 x 9 Bent (6 - 4) Thick

Black

4 x

Technic Beam 1 x 2 Thick

Bright Green

4 x

Technic Beam 1 x 5 Thick

Olive Green

4 x

Bar 6L with Stop Ring

Black

4 x

Technic Axle Pin without Friction Ridges Lengthwise

Tan

10 x

Technic Beam 2 x 4 L-Shape Thick

Black

10 x

Technic Axle 6

Red

5 x

Technic Pin Connector Hub with 2 Perpendicular Axles

Dark Bluish Gray

6 x

Technic Pin Long without Friction Ridges, with Anti-Roll Notch

Tan

10 x

Technic Axle and Pin Connector Angled #4 - 135°

Dark Bluish Gray

4 x

Technic Pin Connector Hub with 2 Axles

Dark Bluish Gray

4 x

Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole]

Black

14 x

Tile 2 x 3

Black

2 x

Technic Beam 1 x 9 Thick

Light Bluish Gray

1 x

Tile 1 x 4 with Groove

Black

3 x

Slope 45° 2 x 1 with 2/3 Cutout [New Version]

Light Bluish Gray

3 x

Technic Axle 9

Yellow

3 x

Technic Axle and Pin Connector Perpendicular Split

Black

2 x

Technic Axle 7

Light Bluish Gray

5 x

Technic Pin Connector Perpendicular Long

Light Bluish Gray

4 x

Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole

Light Bluish Gray

8 x

Propeller 8 Blade 5 Diameter

Flat Silver

1 x

Tile Round 1 x 1

Trans-Orange

11 x

Plate Special 2 x 2 Splat Gear with 6 Teeth

Black

2 x

Technic Beam 1 x 11.5 Double Bent Thick

Black

2 x

Bar 3L

Dark Bluish Gray

2 x

Tile 1 x 1 with Groove

Trans-Orange

3 x

Tile 1 x 1 with Groove

Dark Bluish Gray

3 x

Technic Gear Rack 1 x 7 with Axle and Pin Holes

Black

1 x

Tile 1 x 2 with Groove

Trans-Red

4 x

Technic Pin Connector Round 1L [Beam]

Light Bluish Gray

4 x

Plate 2 x 4

Black

4 x

Plate 1 x 2

Black

4 x

Plate Round 1 x 1 with Open Stud

Black

5 x

Brick Round 2 x 2 [Grill]

Dark Bluish Gray

1 x

Wire Clip with Axle Hole

Green

1 x

Technic Steering Wheel Small (3 Studs Diameter)

Black

1 x

Tile 2 x 4 with Groove

Light Bluish Gray

1 x

Bar 4L (Lightsaber Blade / Wand)

Black

3 x

Technic Pin with Friction Ridges Lengthwise and Towball - Round Pin Hole

Red

9 x

Tile 1 x 1 with Groove

Black

3 x

Tile 1 x 2 with Groove

Trans-Clear

2 x

Tile Round 1 x 1

Black

4 x

Brick Round 2 x 2 with Axle Hole

Red

4 x

Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip]

Black

4 x

Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced

Light Bluish Gray

8 x

Brick Round 2 x 2 with Axle Hole

Black

2 x

Tile Round 1 x 1

Trans-Clear

5 x

Tile Special 1 x 2 Grille with Bottom Groove

Black

5 x

Technic Beam 3 x 5 L-Shape Thick

Black

3 x

Plate 2 x 3

Light Bluish Gray

3 x

Technic Axle 4

Black

5 x

Plate Special 2 x 2 with 2 Pin Holes

Black

5 x

Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes

Dark Bluish Gray

5 x

Tile 1 x 8 with Groove

Black

1 x

Plate 1 x 3

Dark Bluish Gray

2 x

Brick Round 2 x 2 with Axle Hole

White

2 x

Technic Pin 3/4

Tan

7 x

Hose, Ribbed 7mm D. 3L / 2.4cm

Flat Silver

1 x

Tile 1 x 6 with Groove

Black

1 x

Slope Curved 2 x 1 with Stud Notch Right

Dark Bluish Gray

1 x

Slope Curved 2 x 1 with Stud Notch Left

Dark Bluish Gray

1 x

Plate 3 x 3

Black

1 x

Plate Round 1 x 1 with Hollow Stud and Horizontal Bar 1L

Black

3 x

Plate 1 x 1

Trans-Orange

4 x

Technic Axle 8 with Stop

Dark Bluish Gray

3 x

Tile 2 x 2 with Groove

Light Bluish Gray

1 x

Tile Round 2 x 2 with Hole

Light Bluish Gray

1 x

Technic Beam 3 x 0.5 Liftarm with Boss and Blocked, Squared Pin Hole

Red

1 x

Technic Panel Fairing #22 5L Small Smooth, Side A

Dark Bluish Gray

1 x

Dish 3 x 3 Inverted [Radar]

Black

1 x

Tile 1 x 2 with Groove

Trans-Orange

2 x

Technic Axle and Pin Connector Perpendicular Triple

Black

2 x

Brick Round 2 x 2 Dome Top, Hollow Stud

Red

2 x

Bracket 1 x 2 - 1 x 2 Inverted

Black

2 x

Plate 3 x 3

Light Bluish Gray

1 x

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

Dark Bluish Gray

1 x

Technic Link 1 x 6 without Stoppers

Dark Bluish Gray

1 x

Tile Special 1 x 2 Grille with Bottom Groove

Light Bluish Gray

3 x

Technic Axle 5 with Stop

Reddish Brown

3 x

Technic Axle 3 with Stud

Dark Tan

3 x

Technic Axle 4

Red

3 x

Technic Gear 8 Tooth [Reinforced]

Dark Bluish Gray

1 x

Technic Axle 4 with Centre Stop

Tan

2 x

Bar 3L

Bright Green

2 x

Technic Pin without Friction Ridges Lengthwise

Light Bluish Gray

4 x

Bar 2L with Towball

Dark Bluish Gray

1 x

Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]

Light Bluish Gray

1 x

Brick 1 x 3

Light Bluish Gray

1 x

Slope Curved 4 x 1 Double with No Studs

Black

1 x

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

Black

1 x

Technic Axle Towball

Light Bluish Gray

3 x

Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole

Black

1 x

Plate 1 x 3

Light Bluish Gray

1 x

Plate Round 2 x 2 with Rounded Bottom [Boat Stud]

Trans-Clear

2 x

Slope 30° 1 x 1 x 2/3 (Cheese Slope)

Trans-Orange

3 x

Lever Small Base with Black Lever

Black

2 x

Cone 1 x 1 [Top Groove]

Black

2 x

Plate Round 2 x 2 with Rounded Bottom [Boat Stud]

Black

2 x

Plate 1 x 4

Black

1 x

Tile Round 1 x 1 with Hollow Bar

Light Bluish Gray

1 x

Plate Special Round 2 x 2 with Center Stud (Jumper Plate)

Dark Bluish Gray

1 x

Plate 1 x 2

Green

1 x

Technic Disc 3 x 3

Black

1 x

Plate 2 x 2

Light Bluish Gray

1 x

Technic Pin 1/2 with 2L Bar Extension

Light Bluish Gray

2 x

Slope 30° 1 x 1 x 2/3 (Cheese Slope)

Black

2 x

Plate Special 1 x 2 with Pin Hole on Top

Dark Bluish Gray

2 x

Technic Axle and Pin Connector Perpendicular

White

1 x

Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)

Light Bluish Gray

1 x

Technic Axle 5.5 with Stop [Rounded Short End]

Dark Bluish Gray

1 x

Missing pricing information on the following items.

	Color	Quantity
Equipment Hose Nozzle / Gun with Side String Hole Simplified	Black	3
Motor, Medium, We-Do 2.0	White	1
Sticker Sheet for Set 42129-1	[No Color/Any Color]	1

Compare the value of buying 4x4 Mercedes-Benz Zetros Trial Truck as a complete set versus the total value of all parts individually.

BrickLink
Condition	Timespan	Avg price	Items sold	Inventory value	Ratio
New	6 months		20		1.83
Used	6 months	?	?		?

Brick Owl
Condition	Timespan	Avg price	Inventory value	Ratio
New	Current			1.6
	6 months			1.62
	1 year			1.6
Used	Current			2.19

Anyone who loves powerful toy trucks and construction toys will have lots of fun building this LEGO® Technic™ 4x4 Mercedes-Benz Zetros Trial Truck (42129) model. Packed with realistic features, this truck toy offers an engaging build for adults and kids aged 12 and up. Open the cab doors and hood. Check out the working suspension on all 4 wheels and open the service hatch to inspect the gearbox. The model also features a detailed engine with spinning radiator fan. In a first for LEGO Technic, this model has differential locking. Lock and unlock the differentials using the app to maneuver the truck over rough terrain.

Explore the app
With this model, the build is just the start. Use the CONTROL+ app to put this mighty machine to the test. Use the different control screens to steer and operate the differential locking. With challenges and achievements in the app, there are so many ways to play.

Fans of construction toys will love building their own model version of the Mercedes-Benz Zetros Trial Truck. Check out all its awesome functions using the LEGO® Technic™ CONTROL+ app.
This LEGO® Technic™ 4x4 Mercedes-Benz Zetros Trial Truck (42129) model is packed with authentic details like working suspension on all 4 wheels, a detailed gearbox and differential locking.
Realistic design features include race themed stickers plus 2 fire extinguishers. Use the flags to create an obstacle course and test the truck’s skills across different terrains.
This is a great set for adults and kids aged 12 and up to enjoy together. It’s also an awesome toy for young LEGO® builders looking for a challenging building experience.
The toy truck model measures over 8 in. (21 cm) high, 19 in. (48 cm) long and 7 in. (19 cm) wide.
Requires 6 x AA batteries (not included). The battery box disconnects easily, making it simple to change the batteries when required.
This RC app-controlled LEGO® Technic™ truck is powered using 1 x Bluetooth®-controlled smart hub, 3 x large motors and 1 x medium motor, included in the set.
LEGO® Technic™ construction toys offer an advanced experience for LEGO fans who are ready for their next building challenge.
LEGO® Technic™ components meet rigorous industry standards to ensure they are consistent, compatible and connect reliably every time – it’s been that way since 1958.
LEGO® Technic™ components are dropped, heated, crushed, twisted and analyzed to make sure they meet strict global safety standards.

Find the cheapest offers for set 42129-1 from sellers on secondary marketplaces like Brick Owl and eBay.

Item		Price