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Mercedes-Benz NG: generations, engines and what to check
Mercedes-Benz NG ("Neue Generation") — the heavy-duty truck series produced from 1973 to 1988, which laid the foundation for many later Mercedes trucks. We look at its versions, engines, and what to check when buying a used NG.
NG in brief
NG ("Neue Generation", Ger. new generation) was Mercedes-Benz's heavy-duty truck series, covering tractors, rigid trucks, and cargo vehicles. It was known for its robust construction and was widely used across Europe.
Today, the NG is a classic truck: it's sought after by collectors, heavy-duty operators, and those who appreciate simple, reliable mechanics.
Generations — what's the difference
The NG designation reflects the gross weight and power: for example, 1632 indicates around 16 tonnes gross weight and around 320 hp. The letters after the number denote the purpose, for example, S — tractor, K — rigid truck.
Over its long production run, the NG was updated several times, so early and late models differ in equipment. Many trucks were used in construction, so their condition varies greatly.
In 1988, the SK series replaced the NG, so all NGs are now old. Their Euro class often doesn't align with modern emissions zones.
Engines and transmissions
NG engines are diesel. Six-cylinder (around 11.6 litres) and V8 units are commonly found, while the most powerful versions feature a V10 (around 16 litres). Power ranges from roughly 200 to over 400 hp.
Gearboxes are usually manual, often with an overdrive. It's worth test-driving them: the condition of the synchromesh and synchronizers is particularly important due to heavy loads.
Engines are considered robust if they've been well-maintained. Before buying, ask about the oil change history, the condition of the cooling system, and whether the engine has been overheated.
What to check when buying a used NG
First and foremost — the frame and cab. Older trucks often have corrosion at the cab corners, seams, fenders, and crossmembers, and the cab lift system should operate smoothly.
Start the engine cold and assess the exhaust, oil pressure, and noises. Check the pneumatic system, brakes, and hydraulic units — such as the winch or crane mechanism.
Check the odometer against the records, and ensure the vehicle meets the technical inspection requirements in the documents. If you're buying it for a collection, originality is also important.
Versions
The NG was produced in several versions; we list the most commonly encountered.
NG vilkikas (S)
Entire production runHeavy-duty tractor with a semi-trailer.
- Often — a sleeper cab
- High power output
- Ideal for long hauls
NG savivartis (K)
Common build versionFor construction and quarry work.
- Hydraulic cab lift
- Reinforced chassis
- High-mileage vehicles
NG su kranu
Common build versionWith hydraulic crane for loading cargo.
- Additional hydraulic units
- Crane condition affects value
- Often — a one-off
NG visų ratų pavara
Rarer variantsFor off-road or heavy-duty work.
- Greater ground clearance
- Higher maintenance costs
- Often — a one-off or special edition
Originali klasikinė būklė
Any versionCars that have retained their factory appearance.
- Original components
- Often — collector's value
- More expensive than practical
Comparison of NG versions
| Vilkikas | Savivartis | Su kranu | Visų ratų pavara | |
|---|---|---|---|---|
| Who it's for | For long-distance trips | For towing | For towing and off-roading | Off-road |
| Cab | Often a sleeper | Day cab | Day cab | Day cab |
| Most important to check | The engine and gearbox | The chassis and hydraulics | The crane and hydraulics | Gearbox and axles |
| Price in the used market (relatively) | Mid-range | Mid-range | Mid-range | High-end |
For work, it's usually best to choose an NG with a solid frame and a checked engine, considering the body. For collectors, originality and condition are key.
Pros
- Reliable, well-known design
- Wide range of versions and applications
- Classic, sought-after truck
- Parts and used assemblies supply is better than for rarer models
Cons
- Old car — rust and wear are common
- High fuel consumption
- Euro class restricts operation in pollution zones
Frequently asked questions
What do the numbers in the NG name mean?
The first digits indicate the approximate total weight in tonnes, and the last two are the power divided by ten. For example, 1632 means roughly a 16-tonne truck with around 320 HP.
Is the NG still usable?
Yes, but due to its age, its Euro standard does not meet the requirements of modern emissions zones. Check where it can be operated and whether it meets the technical inspection requirements.
How does the NG differ from the SK?
The SK is the successor to the NG, introduced in 1988: it has a more modern cab, newer engines, and more features. The NG is simpler and older, so it is often bought as a classic or a cheap workhorse.
Updated 2026-10-21 · Trim levels and equipment vary by market and model year — check the equipment of the specific car. · Translated automatically
