	Weakness	Cost
!	Driver assistance systems with software errors Sporadic failures of ESP, emergency stop assistant, lane-keeping assist and cruise control. Cause often a ground cable misrouted at the factory. Symptoms: Warning messages in the instrument cluster, driver assistance systems switch off unexpectedly, warning lights without cause Ad Massekabel W206 control unit ESP W206	Low
●	MBUX infotainment freezes or restarts MBUX system shows crashes, restarts and connectivity problems. Software updates are regularly rolled out but do not fix all cases. Symptoms: Central screen freezes, navigation unresponsive, streaming apps crash, reversing camera shows no image Ad MBUX W206 control unit Infotainment W206	Low
●	MBUX Software Crashes and Freezing MBUX infotainment system freezes or restarts, especially on long journeys. Early production runs up to mid-2023 more frequently affected. Symptoms: Screen freezes, navigation takes 15 seconds to respond, system spontaneously restarts.	Low

Frequently Asked Questions

What problems and weaknesses does the Mercedes-Benz C-Klasse W206 Limousine have? +

The Mercedes-Benz C-Klasse W206 as Limousine has 42 known weaknesses, 7 vehicle-related.

Which engine is recommended? +

Good Choice: M139 (2.0L Turbo AMG).

Is the Mercedes-Benz C-Klasse W206 Limousine worth buying used? +

The Mercedes-Benz C-Klasse W206 Limousine is a good choice as a used car — 1 of 4 engine variants are rated 'Good Choice'.

Last updated: February 2026 · All information without guarantee

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