MMI Screen Opening Mechanism Repair Kit – Audi A8 D4 D5 | OEM 4H0857273C
After extended use, the MMI navigation screen tilt mechanism on the Audi A8 D4 and D5 becomes unstable, sticks in one position, or fails to extend and retract smoothly. The failure is in the plastic mechanism components — not the screen itself. This repair kit replaces the failed mechanism parts, restoring smooth, reliable screen operation.
Fits OEM #4H0857273C.
When to Inspect This Part
- clicking, grinding, or slipping in the mechanism
- intermittent movement
- excessive play
- the mechanism does not complete its travel
What's Included
- Repair components supplied for this SKU and shown in the product photos; no complete surrounding assembly is included
Part Number / PN
4H0857273C, 4H0857273D
Important Fitment Check
Before ordering, compare the part design, dimensions, connectors, and every available OEM/P/N marking with the part installed on the vehicle. Matching OEM/P/N 4H0857273C is the primary fitment check.
FAQ
How do I confirm fitment for this MMI Screen Opening Mechanism Repair Kit?
Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 4H0857273C. Do not select the part by vehicle model alone.
What symptoms may indicate a problem with this MMI Screen Opening Mechanism Repair Kit?
Confirmed symptoms include clicking, grinding, or slipping in the mechanism, intermittent movement, excessive play, the mechanism does not complete its travel. Diagnose the original assembly before ordering so another fault is not mistaken for this part.
What is included with this MMI Screen Opening Mechanism Repair Kit?
The confirmed kit contents are: Repair components supplied for this SKU and shown in the product photos; no complete surrounding assembly is included.
Does this listing include the complete surrounding assembly?
No. It includes only the item or repair components identified for this SKU. Inspect related parts separately and replace them only when diagnosis confirms a fault.
What should be checked before installation?
Check the OEM/P/N, dimensions, connectors, orientation, and condition of the mating components. Installation should follow the correct service procedure for the specific vehicle and assembly.
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Orders ship within 1–2 business days.
Standard delivery:
- USA: Some items ship from our US warehouse and arrive within 3 business days.
- USA-EU: 10–21 business days
- Worldwide: 14–30 business days
Shipping cost is shown at checkout.
Can I exchange or return an item?
Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights
To use this feature, please make sure that:
- the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
- the goods are fully completed and the integrity of the packaging is not violated
- retained all labels and factory markings