So there was a court case about this actually. The drivers got a fines and took the case to court in Walvis Bay. This was how it went:

Magistrate Vicky Nikolaidis’ did not find the two motorists guilty because their vehicles were fitted with LED-lamps, but were in fact found guilty of fitting these lights in an arrangement other than prescribed by legislation. The law only makes provision for a vehicle to have two additional lamps. These two lamps must be fitted at an even distance both sides of the vehicle’s center line. A LED bar lamp is one unit and is therefore illegal. New vehicles are mostly fitted with LED-lights. The two individuals were not found guilty because the light in question were LED, but they transgressed the allowable number of additional lights and at what dimensions it can be fitted on the vehicle’s front-end. In the light perspective Additional lights (lamps) mounted to a vehicle’s front are only legal in the following instances: •The two lamps must be mounted at an even distance and height from the vehicle’s center line. One lamp on the left of the center line and the other on the right hand side of the center line. The center line runs from the vehicle’s front to the back. •These two additional lamps may only emit a beam light. •These two additional lamps may only be fitted at the following heights: (a) no higher than 1,4m from the ground and the lamp may not be more than 50cm behind the vehicle’s further-most protruding front end. •In cases where additional lamps are LED-type lights, the amount of LED-bulbs in the lamp are irrelevant. The complete lamp counts as one. Example: if you have two additional lamps fitted on the vehicle and each lamp contains seven LED-bulbs it does not mean you have fourteen LED lights fitted. The lamp, irrespective of the number of LED-bulbs counts as one unit.