German Arbitration Panels See Rising Caseload as Mercedes Labor Spat and Microsoft Tracking Fuel Tensions

Arbitration boards under Germany’s Works Constitution Act (§ 76 BetrVG) are handling more disputes than ever as employers and works councils clash over working time, digital surveillance, and restructuring. A fresh wave of conflicts at Mercedes-Benz and over Microsoft’s Wi-Fi location detection is putting the bodies — often the last stop before court — in the spotlight.

Mercedes workers push back as profit slides

At Mercedes-Benz, employees at plants in Sindelfingen, Untertürkheim and Berlin staged protests in early July. The trigger: group profit slumped 17.2 percent in the first quarter of 2026, management proposed delaying a special payment until 2027, and floated ideas of extra work without extra pay. Since working time and remuneration are co-determined subjects, an unresolved dispute could land before an arbitration board.

Overtime is only permissible when regulated by an employment contract, collective agreement, or works agreement. Without such a basis, it is limited to unforeseeable emergencies — and even then the works council must consent.

Microsoft’s Wi-Fi check-in creates fresh friction

Another flashpoint: Microsoft has introduced “Workplace Check-in via Wi-Fi”, a feature that automatically detects employees’ location through the company network. Rollout completed at the end of June. Because it counts as a technical facility for monitoring behavior or performance, it triggers co-determination rights under § 87(1) No. 6 BetrVG. The function is disabled by default and data is supposedly deleted daily. Yet opt-out options and the precise configuration offer plenty of room for argument.

BAG rulings tighten the legal frame

Recent decisions from the Federal Labor Court (BAG) clarify the rules in three areas:

• Whistleblower protection: Protection applies only after an actual report of misconduct. Mere knowledge or intent is insufficient. In small businesses or during the waiting period under the Protection Against Unfair Dismissal Act, there is no right to continued employment.
• Mass redundancies: If the mandatory mass dismissal notification is missing or flawed, terminations are void. Making up for it later is impossible — the 30-day blocking period is binding.
• Severely disabled employees: When dismissing someone during the probation period, the one-week deadline for involving the representative body for severely disabled persons must be observed — analogous to the rules in the Works Constitution Act.

EU pay transparency law stalls in Berlin

While courts sharpen enforcement, Germany is dragging its feet on the EU Pay Transparency Directive. The transposition deadline passed in June, and a national law is not expected before early 2027. Starting in 2028, stricter requirements will apply: a ban on asking about salary history and expanded reporting duties for companies.

How arbitration panels are staffed — and paid

To handle the rising workload, Frankfurt am Main has offered new representation services for arbitration proceedings since early July, focusing on assessors and their deputies. Fees follow honorarium scales set by the BAG in 2019. The chair of a panel receives approximately €3,000 net per meeting day; assessors typically get 70 percent of that amount.

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