Technical Troubles Plague Mercedes During Opening Day at Australian Grand Prix
Mercedes encountered power unit difficulties during Friday's running at the Australian Grand Prix, despite demonstrating competitive performance throughout the session. The team will need to address the technical issues as they prepare for the remainder of the weekend.

Friday at Albert Park presented a mixed picture for the Mercedes camp. While the team's machinery showed impressive speed on the challenging Australian circuit, their day was hampered by complications stemming from their power unit.
The silver arrows demonstrated the pace necessary to compete at the front of the grid, yet the technical gremlins that surfaced during the opening practice sessions serve as a reminder of the work ahead. Engineers will be burning the midnight oil to resolve the power-related issues before Saturday's action.
It's a scenario that has played out before at Mercedes—strong outright performance tempered by reliability concerns that could prove costly if not rectified swiftly. The team will be hoping their overnight preparations yield solutions, allowing them to focus purely on performance when running resumes.
Original source
Crash.net
Related Regulations
Hover over badges for quick summaries, or scroll down for full official text and simplified explanations.
Full Regulation Text
Article 5.1
Definition of a New PU Manufacturer
Chapter: SECTION C: TECHNICAL REGULATIONS
In Simple Terms
A 'New PU Manufacturer' is a company entering F1 for the first time that hasn't built power units before (2014-2021) and hasn't inherited significant technology from existing manufacturers. If approved by the FIA, they receive special benefits and exemptions for 5 years (from 3 years before entry through 1 year after). The FIA evaluates applicants based on their facilities, engine experience, and ERS system knowledge.
- New PU Manufacturers must meet two conditions: no prior homologation since 2014 AND no significant inherited IP from established manufacturers
- Approved new manufacturers receive a 5-year window of special rights/exemptions (N-3 to N+1 calendar years)
- The FIA has absolute discretion in granting status and evaluates applicants on infrastructure investment, ICE experience, and ERS system expertise
Official FIA Text
A PU Manufacturer intending to supply PUs for the first time in year N, will be considered to be a "New PU Manufacturer" if it (or any related party): a. has not homologated a PU at least once in the period 2014-2021; and b. has not received any significant recent Intellectual Property from a PU Manufacturer who is not a New PU Manufacturer, subject to the conditions outlined in Article 5.2 of this Appendix. (together, for this Article 5 only, the "Necessary Conditions") The "New PU Manufacturer" status will be granted by the FIA, at its absolute discretion, for the complete calendar years from N-3 to N+1. In order to be granted the "New PU Manufacturer" status, the PU Manufacturer in question must, upon the request of the FIA, provide the FIA with all of the detailed information or documents requested by the FIA describing the commercial background and details of the PU Manufacturer's business, the Intellectual Property owned by the PU Manufacturer and the technical relationship between the PU Manufacturer and any other related entity or persons (the "Requested Documentation"). PU Manufacturers granted a "New PU Manufacturer" status are given additional rights or exemptions in certain provisions of the Technical, Sporting and Financial Regulations. In order to assess whether the Necessary Conditions have been satisfied by a PU Manufacturer, the FIA will assess the Requested Documentation provided by the PU Manufacturer with regard to three factors: a. Infrastructure: the necessity for the PU Manufacturer to build facilities, invest significantly in assets, and hire personnel with prior Formula 1 experience; b. ICE status: the prior experience of the PU Manufacturer in Formula 1 Internal Combustion Engines, and potential possession of significant recent Intellectual Property; and c. ERS status: the prior experience of the PU Manufacturer in Formula 1 ERS systems, and potential possession of significant recent Intellectual Property.
Article B8.2.2
Power Unit Element Limitations
Chapter: B8
In Simple Terms
Each driver has a limited allocation of power unit parts they can use across a season. The most restrictive components are the engine, turbocharger, and exhaust (3 each), while some parts like the energy store and control electronics are limited to 2, and smaller ancillary components to 5. Once a driver exceeds these limits, they face grid penalties.
- Engines, turbochargers, and exhausts are limited to 3 per driver per season
- Energy storage units (ES) and control electronics (PU-CE) have tighter restrictions at 2 per season
- MGU-K units are also limited to 2 per driver
- Ancillary power unit components have the most generous allowance at 5 per season
Official FIA Text
Each driver may use no more than: 3 engines (ICE), 3 turbochargers (TC), 3 exhaust sets (EXH), 2 energy store units (ES), 2 control electronics units (PU-CE), 2 MGU-K, and 5 of each Power Unit ancillary component (PU-ANC).
Article B2.1.1
Free Practice Sessions - Standard Format
Chapter: B2
In Simple Terms
On Friday, teams get two one-hour practice sessions (FP1 and FP2) with a 2-3 hour break between them to test their cars and strategies. If extra tire compounds are available, FP2 extends to 90 minutes. Saturday morning brings FP3, another one-hour session that must start at least 18 hours after FP2 ends.
- FP1 and FP2 are held on Friday, separated by 2-3 hours of downtime
- FP2 can be extended from 60 to 90 minutes if additional tire specifications are provided
- FP3 takes place on Saturday morning with a mandatory minimum 18-hour gap after FP2
- All three sessions are one hour each (or 1.5 hours for FP2 in specific conditions)
Official FIA Text
Two 1-hour free practice sessions (FP1, FP2) separated by 2-3 hours on first day. If additional tyre specs provided, FP2 extended to 1.5 hours. FP3 (1 hour) on second day, starting min 18 hours after FP2 end.
Trending Articles

Blaney Clinches Victory at Phoenix, Completes Dominant Penske Showing
about 1 hour ago
Safety Concerns Emerge Over F1's Regulatory Overhaul as Vasseur Defends New Direction
about 3 hours ago
Montoya Impressed by Lindblad's Composure Against Verstappen in Debut Points Finish
about 5 hours ago
Mercedes Chief's Paddock Blunder Becomes Internet Gold at Australian Grand Prix
about 5 hours ago
Bearman Reflects on Learning Curve: How Haas's Unpredictable Machine Tested His Rookie Resolve
about 5 hours ago