# Mercedes stuck with Singapore spec

> Mercedes can't revert to older car specs for Singapore GP after upgrade tests.
- Title: Mercedes stuck with Singapore spec · Motorsport | Shortify
- Summary: Mercedes can't revert to older car specs for Singapore GP after upgrade tests. Mercedes must use new car specs for Singapore GP after failed test of older…
- Keywords: mercedes, kimi antonelli, george russell, formula 1, singapore gp, aerodynamic spec, parc ferme, sports, cars, stuck, Singapore, spec
- Source: Motorsport — https://motorsport.com/f1/news/were-stuck-with-what-weve-got-why-antonelli-cant-revert-to-previous-mercedes-spec-in-singapore/10863572
- Author: Stuart Codling
- Published: 2026-10-09T16:58:04+00:00
- Read time: 1 min
- Topics: mercedes, kimi antonelli, george russell, formula 1, singapore gp, aerodynamic spec, parc ferme, sports, cars
## Mercedes upgrade test
Mercedes tested new car specs for Singapore GP after Bahrain Grand Prix.
## Russell and Antonelli results
George Russell qualified second but Kimi Antonelli finished seventh in Singapore sprint race.
## Car performance issues
New Mercedes specs cause understeer and nervous handling in slow corners.
## Why can't they revert specs
Mercedes can't swap entire car due to parc ferme rules and cooling system changes.
## Team's response
Deputy team principal says Mercedes must make best of new specs for Singapore GP.
## Key takeaway

Mercedes must use new car specs for Singapore GP after failed test of older aerodynamics.