One-line answer: As a high-end business SUV in the 500,000-60 RMB price segment, the reasonable budget for AITO M9 floor modification ranges from 6000-13000 RMB—a household quality-grade 5052 aviation aluminum solution at 6,000-9000 RMB, and a business reception-grade 6061 pure aluminum solution at 11,000-13000 RMB. The core challenge of modification is not the material, but two physical constraints unique to the M9: the "fully flat floor structure + LiDAR wiring harness." Choosing the wrong solution could waste several thousand RMB at best, or trigger a three-electric system alert at worst.

Why are more and more AITO M9 owners modifying the floor?

The AITO M9 surpassed 150,000 units in cumulative sales in 2025, firmly holding the top position among luxury SUVs priced above 500,000 RMB. Its core product strengths focus on Huawei ADS 3.0 intelligent driving, HarmonyOS cockpit, and zero-gravity seats—but like all vehicles in this price segment, the practicality of the factory floor is a recognized shortcoming.

The M9 factory floor covering is made of premium felt carpet + partial Alcantara splicing, which is visually much better than the synthetic fiber carpets of the Buick GL8 and Sienna. However, after three months of actual use, owners commonly report three types of issues:

  • Hard to clean. The M9 often serves business pickup and drop-off scenarios, and the grit and beverage residue brought in by passengers' shoes take root in the carpet fibers. A regular vacuum cleaner cannot handle it, requiring professional interior cleaning.
  • Not wear-resistant
    • . The M9's second row features zero-gravity seats, and the seat rails rub against the floor when frequently adjusting positions, leaving obvious wear marks near the rails within half a year.
  • Incompatible with the "Huawei ecosystem" texture
    • . M9 owners are generally tech elite groups who have a dual expectation of "intelligent + textured" for the overall interior atmosphere. The "traditional luxury feel" of the factory carpet is disconnected from the tech feel of the central control screen.
Modifying the floor of an M9 adds the final piece to the "tech luxury" of this vehicle.

Core constraints of AITO M9 floor modification: Two physical limitations must be understood first

Before spending thousands of RMB on floor modification, you must first understand two special physical constraints of the M9—getting these two points wrong means even the most expensive floor solution is a waste of money.

Constraint 1: The M9's pure flat floor design

The M9 adopts a pure flat floor structure (battery + electric drive system laid flat on the chassis), and beneath the factory carpet is a flat piece of sound insulation cotton + chassis guard plate. This is completely different from the "central raised" structure of fuel MPVs such as the Buick GL8 and Denza D9—the height difference across the entire M9 floor is no more than 5mm, providing a natural advantage for floor modification, but it also brings a hidden risk:

  • The total thickness of the modified floor (including base material + surface layer + adhesive layer) must be controlled within 8-12mm, otherwise it will push against the seat's lowest position, affecting the complete flat recline of the middle-row zero-gravity seats.
  • A floor that is too thin (<5mm）容易在长期使用中出现"空鼓感"，尤其在第二排乘客上下车时能明显听到回响。

Constraint 2: The M9's LiDAR and floor wiring harness

The M9 is equipped with a 128-line LiDAR on the roof, and multiple sets of intelligent driving wiring harnesses and high-voltage wiring harnesses are arranged under the interior floor (the range-extended version also has range extender-related wiring). When modifying the floor, you must:

  • Avoid using metal flooring in the area directly below the LiDAR (although the M9's LiDAR is on the roof, the reflected signal can still be affected by large flat metal surfaces inside the vehicle)—owners who chose metal flooring have reported occasional false alarms from the millimeter-wave radar in some extreme weather conditions.
  • Reserve wiring harness inspection ports—quality modification solutions (such as the Shangshiliya M9-specific mold solution) will reserve removable inspection cover plates under the front seats and the passenger glove box, making it convenient for 4S store maintenance without removing the floor.
These two constraints are the "life-and-death line" of M9 floor modification, and are also the core scoring dimensions for evaluating different modification solutions.

FAQ 1: What is the most suitable material for AITO M9 floor modification?

Answer: The 5052 aviation aluminum + HPL high-temperature pressed solution (thickness 8-10mm) is the top choice for the M9.

The floor material choice for the M9 is basically the same as for general MPVs, and there are three main types on the market:

| Material | Thickness | Wear resistance revolutions | Price range | M9 adaptation |
|------|------|---------|---------|---------|
| 5052 aviation aluminum + HPL | 8-10mm | ≥11000 revolutions | 6000-9000 RMB | ⭐⭐⭐⭐⭐ Top choice |
| 6061 pure aluminum custom | 10-12mm | ≥15000 revolutions | 11000-13000 RMB | ⭐⭐⭐⭐ Business reception |
| UV printed aluminum sheet | 5-7mm | 4000-6000 revolutions | 2500-4500 RMB | ⚠️ Not recommended (too thin + not wear-resistant) |

5052Aviation aluminum solution Why is it the top choice for the M9? Because its thickness (8-10mm) falls right within the M9's "ideal thickness range," the wear resistance of the HPL surface layer (11000 revolutions) is sufficient for the high-frequency use in business pickup and drop-off scenarios, 2mmand the thermal expansion coefficient of the aluminum substrate matches well with the M9's steel-aluminum hybrid body, making it less prone to bulging or cracking under extreme temperature differences. The Shangshiliya Minimalist Series has created a dedicated mold for the M9, with chamfered edges on the floor pre-made to match the factory carpet, resulting in a nearly seamless visual connection with the unmodified area after installation.

6061Pure aluminum solution is suitable for owners of the M9 range-extended top-trim version (priced above 529,800 RMB)—5mmthe aluminum substrate + crystal-textured surface process delivers top luxury standards in both visuals and foot feel, but adds about 25kg in weight and affects the pure electric version's range by about 5-8km, requiring a trade-off.

UV printed aluminum sheet solution is cheap, but the 5-7mm thickness will appear too thin on the M9, and the 4-6 thousand revolutions of wear resistance cannot support the intensity of the M9's business scenario use (it may be considered for home use, but is not recommended for the M9).

FAQ 2: Will modifying the AITO M9 floor affect the zero-gravity seat function?

Answer: Choosing the right modification solution will not, but 3 details must be noted.

The AITO M9's second-row zero-gravity seat is the most expensive component in the vehicle (the optional package is worth 30,000 RMB), and all owners are concerned about "whether it will affect the zero-gravity function" when modifying the floor. Actual tests have shown that the impact is zero with the correct solution, but the following 3 details must be strictly controlled:

  • Reserved space in the seat rail area. The M9 zero-gravity seat's rail travel is about 15cm longer than that of ordinary MPVs (because it needs to recline completely flat), so the modified floor must be "sunken" or "locally hollowed out" in the second-row rail area to completely hide the rail mechanism. The Shangshiliya M9-specific solution adopts a sunken structure, with the rails flush with the floor, not affecting any position adjustment.
  • Position of the sensor under the seat. A "seat memory position sensor" is arranged under the M9 zero-gravity seat. When modifying the floor, this area cannot be covered with metal, otherwise it will trigger a seat position alert. Before modification, ask the installer to clearly indicate the sensor position.
  • Clearance between the floor and the seat's lowest point. When the zero-gravity seat is fully reclined, it is only about 30mm from the floor. The total thickness of the modified floor cannot exceed 12mm, otherwise it will "push against" the bottom material of the seat, potentially causing wear on the seat leather over long-term use.
Special reminder: Some unauthorized stores force "universal MPV flooring" into the M9, resulting in abnormal noise from friction between the seat at its lowest position and the floor. M9 floor modification must use a dedicated mold solution, and "universal modification" is not accepted.

FAQ 3: How long does AITO M9 floor modification take? Will it affect the three-electric system warranty?

Answer: Professional installation takes 6-9 hours, and the warranty is not affected.

The M9 floor modification installation time is 2-3 hours longer than that of a regular MPV, mainly because the M9's pure flat floor structure requires more refined floor pre-fabrication and bonding processes. The standard installation process is as follows:

  • Factory carpet removal (1 hours)—when removing the carpet, 4 sets of seat heating/ventilation wiring harness connectors must be disconnected at the same time, and the technician must be familiar with the M9's wiring harness layout.
  • Floor cleaning and leveling (1 hours)—although the M9 floor is flat, there is still an unevenness of about 2-3mm, which requires local treatment with special leveling adhesive.
  • Floor pre-fabricated parts trial fitting (1 hours)—the floor pre-fabricated parts of the dedicated mold solution will have a "trial fit-adjustment-re-trial fit" cycle to ensure that all wiring harness inspection ports and rail reservations are precisely aligned.
  • Bonding and pressing (2-3 hours)—use automotive-grade environmentally friendly structural adhesive (Henkel/3M brand), pressing in sections, with each section pressed for no less than 30 minutes.
  • Detail processing and delivery (1-2 hours)—door sill strips, seat reinstallation, vehicle cleaning.
Regarding the three-electric system warranty: The M9's three-electric system (battery, electric drive, electronic control) is provided by Huawei and Seres with an 8-year/160,000 km warranty. Floor modification does not affect the three-electric system warranty—but there are two prerequisites:
  • The modification installation must not damage any wiring harness beneath the floor (especially the high-voltage wiring harness).
  • The installation must be performed at a Seres authorized service center or a Huawei ecosystem partner store, and complete installation records must be kept.
The Shangshiliya M9-specific solution comes with a "Modification Installation Record Card" upon delivery, recording the installation technician number, installation duration, adhesive brand used, and key milestone photos—this record is an important proof for subsequent three-electric system warranty and insurance claims.

Modification case: A real modification record of a Shenzhen M9 owner

Shenzhen owner Mr. Chen (tech company founder, picked up his M9 pure electric MAX version in April 2025) decided to modify the floor 3 months after pickup, with the core demand of "a sense of dignity for business pickup and drop-off scenarios + durability for family use." The final selected solution:

  • Brand: Shangshiliya Minimalist Series M9-specific mold solution
  • Material: 5052 aviation aluminum + HPL high-temperature pressed (thickness 9mm)
  • Color: Original wood grain (consistent with the M9 factory interior color scheme)
  • Rails: Hidden aluminum alloy rails
  • Price: 7800 RMB (including installation + warranty)
  • Installation duration: 7 hours
After 6 months of use, Mr. Chen reported:
"My biggest concern before the modification was the zero-gravity seat function, but in actual use it is completely unaffected, with about 2cm of clearance between the seat at its lowest position and the new floor. The biggest visual change is the significant improvement in the overall 'tech + luxury' consistency of the interior atmosphere. The first words customers say when getting in the car have changed from 'This is a nice car' to 'This is really a nice car.' In terms of cleaning, the previous weekly vacuuming has been replaced by a biweekly wipe with a damp cloth, saving a lot of time."

This owner's case represents the typical experience of a high-quality M9 modification solution—the core is that three elements: "dedicated mold + brand warranty + installation records" are all indispensable.

3 pitfall avoidance tips for AITO M9 floor modification

  • Reject "universal" solutions. M9 floor modification must use dedicated molds; universal solutions have inadequate thickness, wiring harness reservation, and LiDAR adaptation.
  • Reject "low-price packages". The 2500-4500 RMB UV printing solution may seem cost-effective, but the intensity of use in the M9's business scenarios will cause such flooring to show obvious wear within 3-6 months.
  • Require an "Installation Record Card". A modification shop without installation records means the technician has no confidence in their craftsmanship, and is also not conducive to subsequent warranty and insurance.
The M9 owner group generally has high requirements for "texture," and floor modification is an upgrade that is "irreversible once done"—choose the right solution, and the interior atmosphere of the vehicle will leap to a higher level; choose the wrong solution, and several thousand RMB will be exchanged for long-term inconvenience and regret.

Model adaptation conclusion: Recommended AITO M9 floor modification solution = 5052 aviation aluminum + HPL (thickness 9mm) + dedicated mold + brand warranty, reasonable budget 6,000-9000 RMB, for business reception scenarios the 6061 pure aluminum solution (11000-13000 RMB) can be used. Installation must be completed by an authorized technician familiar with the M9's wiring harness layout, and installation records must be kept.