Coil Spring for Mercedes-Benz G-Class: Kevlar Composite
This coil spring for the Mercedes-Benz G-Class is specified around kevlar composite, which decides how it behaves in service far more than the part name does. We build to a written specification — base material, dimensions, finish and packing — and hold that specification on file so every reorder reproduces the approved piece.
The usual reason a programme changes supplier is not unit price. It is a supplier who changed material without saying so, or inconsistent hardness between lots. Both are specification problems, and both are preventable.

Specification
| Product | Coil Spring |
|---|---|
| Vehicle application | Mercedes-Benz G-Class |
| Material / finish | Kevlar Composite |
| Typical use | Off-Road Trails |
| MOQ | 2,000 pieces per specification |
| Sampling | 10 working days, 3 days per revision |
| Bulk lead time | 20-55 days after approval |
| Compliance | SAE J431 |
| Packing | 100 pieces per inner box, 200 per carton |
Material options
- Titanium Alloy — used when the finish has to hold a coating
- Semi-Metallic Compound — selected when the part is exposed to weather and road salt
- Carbon Steel — specified where the part sits close to a heat source
- Silicone — selected when the part is exposed to weather and road salt
- Forged Aluminium — preferred when weight matters more than rigidity

Processes available
- surface grinding
- powder coating
- precision stamping
- heat treatment
- robot welding
- cold forging
Fitment notes
Check whether the mounting points on your market version match the catalogue drawing — regional variants are the usual cause of a wrong first order.
Where it is used
The specification above is the one most often ordered for off-road trails. Related applications include airport ground fleets, track days, ride-hailing fleets, security patrols, daily commuting.
Quality and packing
- In-line inspection with AQL 1.5 sampling on every lot.
- Dimensional report issued against the approved drawing.
- Carton marking and barcode to your specification.
- Golden sample retained at the factory as the reorder reference.
Questions buyers ask
How long does sampling take?
Samples leave the factory in 10 working days, and each revision round adds about 3 days once you have seen the first piece.
Can you match an existing sample?
Send a sample and we will reverse-engineer the specification, then produce a counter sample for approval before any bulk starts.
How is packing specified?
Individual packing, inner box quantity and carton marking are confirmed at quotation stage so the cartons arrive ready for your warehouse.
What happens if a lot fails inspection?
The lot is re-inspected against the golden sample, and replacement pieces ship on the next available booking at our cost.
Ask for the current catalogue and the specification sheet for this line.







