In a dramatic departure from bulky rooftop solar panels, Mercedes-Benz has engineered an almost impossibly thin photovoltaic coating that blankets entire vehicle surfaces, potentially adding thousands of kilometres to electric vehicles’ range annually without compromising design aesthetics.
The breakthrough technology, showcased on the Vision Iconic concept car, measures a mere 5 micrometres, making it thinner than a human hair yet capable of transforming every curve and panel into an electricity generator.
Unlike conventional approaches that mount rigid solar cells onto limited roof space, this innovative film integrates directly into the vehicle's structure, positioned between body panels and the glossy exterior finish. The coating operates invisibly, with specially formulated nanoparticle paint allowing 94 percent of solar energy to penetrate and reach the photovoltaic layer below.
Environmental sustainability drives the technology's design philosophy. Mercedes engineers deliberately avoided silicon and rare-earth materials common in traditional solar panels, instead developing recyclable nanoparticle-based components that minimise ecological impact throughout the product life cycle.
The system's versatility extends beyond aesthetics. It generates power continuously, whether vehicles are actively driving, sitting in parking lots, or stored in garages, potentially providing passive charging that reduces dependence on grid infrastructure.
Real-world applications appear promising. Mercedes projects that an 11-square-metre installation, typical for midsize SUVs, could deliver energy equivalent to 12 000 kilometres of annual driving in Stuttgart's climate conditions. Sunnier regions show even greater potential, with Los Angeles projections reaching 20 000 kilometres yearly.
"Automotive solar concepts have existed for years, but practical implementation across complex vehicle shapes remained elusive," Jochen Schmid, senior manager for future electric drive at Mercedes-Benz, explained to Automotive News Europe.
The engineering challenge is centred on material flexibility. "Developing a coating that conforms to intricate three-dimensional contours while maintaining efficiency was our breakthrough moment," Jochen says.
Cost management remains crucial for commercialisation. The development team continues to refine application processes to ensure affordability. "Our research must yield solutions that don't burden customers with additional €10,000 costs, which would negate ownership advantages," he emphasises.
Aesthetic versatility may expand beyond the current black finish. Engineers are exploring colour options: blues, reds and greens, using light-filtering technologies that preserve substantial energy collection capabilities, though performance correlates inversely with colour brightness.
"Blue finishes might sacrifice roughly 5 percent efficiency compared to black," Jochen notes. "White presents the steepest performance penalty."
This innovation exemplifies Mercedes-Benz's strategic commitment to advancing electric vehicle efficiency and sustainability, potentially influencing industry-wide approaches to renewable energy integration in automotive manufacturing.
ZF Aftermarket has named Maic Dressen as Managing Director of ZF Services South Africa (Pty) Ltd and Sub-regional Head for Sub-Saharan Africa and the DomTom regions. He will lead the company’s South African operations and support its growth across the continent.
Volkswagen has marked 75 years of vehicle production and sales in South Africa with a gala event in Kariega attended by President Cyril Ramaphosa, while also revealing the new Volkswagen Tengo, the third model to be built at the local plant. The Tengo will be produced for the South African and wider markets.
BAIC South Africa used the Festival of Motoring 2026 at Kyalami Grand Prix Circuit to highlight both its established range and new energy vehicle ambitions. The event marked the first public appearance of ARCFOX in South Africa, alongside the unveiling of BAIC’s X55 Plug‑in Hybrid Electric Vehicle.
Advertisement
Advertisement
Cars are the ultimate symbol of freedom, independence and individualism. They offer the freedom to ‘go anywhere,’ whenever it suits and with whom one chooses.
Sarah Redshaw
BAIC South Africa used the Festival of Motoring 2026 at Kyalami Grand Prix Circuit to highlight both its established range and new energy vehicle ambitions. The event marked the first public appearance of ARCFOX in South Africa, alongside the unveiling of BAIC’s X55 Plug‑in Hybrid Electric Vehicle.
When Volvo introduced the XC40 Recharge Pure Electric to South Africa in late 2021, the timing raised eyebrows. The country was enduring a severe power crisis, with loadshedding recorded on 200 days that year.
Three months after launching its off-grid, solar-powered electric vehicle (EV) charging network on the N3 corridor, Zero Carbon Charge (CHARGE) has confirmed plans to double charging capacity at both Charge hubs.
