PROBLEM GUIDE

2007–2013 Acura MDX Common Problems

Here's what owners are experiencing, based on our research of real owner reports and repair data.

Last updated June 2026

2007–2013

Model years affected

$200 – $5,440

Typical repair cost, by problem

Owners report the sunroof spontaneously shattering at highway speeds, a problem also reported on several other makes. A separate and expensive problem is the factory Hands-Free Link (HFL) system draining the battery repeatedly, forcing owners into a stark choice one owner summarized as "pay $200 to disconnect the system or pay $4,000 to put a new HFL system [in]."

Quick Scan: 11 Issues

Click a problem for the full write-up — symptoms, what we found, and typical repair costs where we have them.

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PROBLEM DETAILS

Hands-Free Link (HFL) battery drain

Repeated battery drain and failures traced to the factory HFL system

Check engine light: Off

Repeated battery drain and failures traced to the factory Hands-Free Link system force owners into a stark choice, as one owner put it: pay $200 to disconnect the system, or pay $4,000 to replace the HFL system entirely. No recall has been identified covering this defect.

$200 (disconnect) – $4,000 (full HFL replacement)

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Complete electrical failure while driving

Simultaneous loss of power steering, braking assist, and dashboard functions

Check engine light: On

Complete electrical failures occurring while driving cause simultaneous loss of power steering, braking assist, and dashboard functions. Here the cause is an electrical failure rather than an engine stall.

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Airbag warning lights / non-deployment

"Check Air Bag System" warnings without incident, and non-deployment during actual collisions

Check engine light: Off

"Check Air Bag System" warnings appear without any accident or impact, and separately, airbags have failed to deploy during actual collisions, resulting in injuries. No Takata campaign number has been identified for this vehicle.

$295

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Suspension issues, including ADS sensor corrosion

Sport suspension shock failures, corroded Adaptive Damper System sensors, clicking/clunking noises

Check engine light: Off

Sport suspension shocks fail prematurely, Adaptive Damper System (ADS) sensors corrode from road salt exposure (particularly in snow-belt regions), and clicking or clunking noises occur during acceleration or braking.

$1,200 – $3,000clustering 100,000 – 180,000 mi

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Sunroof spontaneous explosion / shattering

Sunroof shatters at highway speeds, described as sudden and unexplained

Check engine light: Off

Spontaneous sunroof explosion or shattering at highway speeds. The same failure is reported on the Nissan Murano, Toyota Venza, Mitsubishi Outlander, Honda Pilot, and Lexus RX.

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Brake system issues

Spongy pedal with excessive travel, air in the brake system, contaminated factory brake fluid

Check engine light: Off

Spongy brake pedal with excessive travel, air entering the brake system requiring flushes, and contaminated brake fluid reported in new vehicles from the factory.

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Transmission grinding and hesitation

Grinding noise, hesitation, rebuild or replacement

Check engine light: On

Transmission grinding and hesitation, with rebuild or replacement costs among the highest documented for this generation.

$3,000 – $5,440

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Check Engine and D4 Lights Flashing

Check engine and D4 lights flash simultaneously

Check engine light: On

Check engine and D4 lights flash simultaneously. This is among the more frequently reported issues on this generation, with 322 owner reports on file.

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Check engine light with rough running and hard starting

Check engine light for running rough and difficulty starting

Check engine light: On

Check engine light for running rough and difficulty starting. This is among the more frequently reported issues on this generation, with 30 owner reports on file.

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Engine Idle Speed Is Erratic or Engine Stalls

Engine idle speed is erratic, or the engine stalls

Check engine light: Off

Engine idle speed is erratic, or the engine stalls. This is among the more frequently reported issues on this generation, with 24 owner reports on file.

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Check engine light and engine takes too long to start

Check engine light on, and the engine takes too long to start

Check engine light: On

Check engine light on, and the engine takes too long to start. This is among the more frequently reported issues on this generation, with 16 owner reports on file.

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No recall campaign covering the airbag or Hands-Free Link problems on this vehicle was identified. Enter your VIN to check for any open recalls on your specific car.

The information on this page is for general educational purposes only and is not a diagnosis. It is compiled from aggregated owner-reported data and publicly available sources, not from an inspection of your vehicle. Symptoms described here can have multiple causes, and the presence of a commonly reported problem does not mean your vehicle has it. Repair cost ranges are estimates that vary by region, shop, vehicle condition, and parts availability. Recall and service campaign information may be incomplete or out of date — verify current recall status with NHTSA or your manufacturer. MyGearGuru is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer; manufacturer and model names are used for identification only. Always consult a qualified technician before making repair decisions.

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