Mercedes-Benz C-Class (W206) — complete buyer's guide

Produced from March 2021 onward (sedan and estate). Fifth generation of the C-Class. Body styles: four-door sedan (W206), five-door estate (S206), and long-wheelbase sedan (V206, mainly China). An All-Terrain variant of the estate is also available. Built on the MRA II longitudinal rear-wheel-drive platform. Rear-wheel drive standard; 4MATIC all-wheel drive optional. Related performance models include the AMG C 43 and C 63 S E Performance. Primary assembly in Bremen, Germany (additional plants in other markets). Mid-cycle facelift introduced in August 2026. A separate fully electric C-Class was announced later as its own series.

Sedan: length approximately 4,751 mm, width around 1,820 mm, height around 1,437–1,438 mm, wheelbase 2,865 mm. Boot volume approximately 455 litres (sedan, seats up). Estate: approximately 490 litres, expanding to roughly 1,510 litres with the seats folded. Fuel tank typically 40–50 litres depending on engine. Versus the W205: 65 mm longer, 10 mm wider, lower roofline and a 25 mm longer wheelbase. More rear legroom and headroom. The sedan's boot is comparable or slightly smaller than the W205's. Plug-in hybrids keep a usable boot thanks to the battery packaged under the floor. Practicality is competitive within the compact premium class.

Introduced in August 2026. Main changes:

• Revised exterior styling including updated front and rear and an illuminated grille surround.
• Updated MB.OS software and interior digital interfaces.
• Engine revisions on petrol models (continued 48-volt mild-hybrid integration; some markets moved to updated 2.0-litre units in later production).
• Expanded driver-assistance and connectivity features.
• New equipment packages and wheel designs.

Longer overall length and wheelbase with improved rear space. Fully standard mild-hybrid (48-volt EQ Boost) architecture across non-PHEV engines. Larger central touchscreen (MBUX) replacing the previous COMAND system; more integrated optional digital instrument cluster. No manual transmission. Boot volume broadly similar, with a slightly smaller fuel tank on some versions. Higher technology content and more advanced driver aids. Body structure evolved on the MRA II platform. Air suspension no longer offered. Interior material quality noted as more mixed in lower areas compared with the W205, with greater focus on the digital dashboard.

• Full service history and confirmation of all software updates (MBUX and 48-volt system).
• VIN-specific recall and service campaign status (especially software, wheel bolts and any engine campaigns).
• Cold-start and idle behaviour; any 48-volt system warnings.
• MBUX screen stability, camera function and assistance systems on a road test.
• Oil level and consumption history on petrol models (particularly early M254).
• For diesels: AdBlue system function and DPF regeneration history.
• Transmission shift quality.
• Overall electronic function (instruments, connectivity, driver aids).
• Suspension condition and tyre wear.
• For PHEV models: battery health and charging system operation.

Indicative costs for the Mercedes-Benz C-Class W206 in normal Belgian/EU use (approximate 2026 figures). Actual figures vary by region, driving style and service location.

Diesel versions (especially the C 220 d) remain relevant for company-car use where tax treatment still favours lower CO₂. Petrol mild-hybrid and plug-in hybrid models are increasingly common as company-car taxation evolves. Euro 6d compliance is standard. Car-Pass documentation is required for Belgian sales. Many examples will have moderate-to-higher annual mileage from company fleets with regular maintenance. The sedan is more common than the estate. Later production cars (especially post-2024 with accumulated software updates) generally show fewer electronic issues than early 2021–2022 examples.