Head-to-head reliability

Mercedes BENZ SLC Class vs Honda Accord

How the Mercedes BENZ SLC Class and Honda Accord compare on NHTSA complaints, recalls and crash reports — and which is the lower-risk used buy.

Mercedes BENZ SLC Class8 complaints · 0 recalls Fewer issues per year
Honda Accord4,524 complaints · 38 recalls

Based on NHTSA owner-complaint & recall records

Which should you buy?

Mercedes BENZ SLC Class vs Honda Accord: The SLC has 8 complaints over 4 years (2.0/year) and 0 recalls, while the Accord has 4,524 complaints over 10 years (452.4/year), 38 recalls, and reports of 162 crashes and 146 injuries. The SLC's issues include roof detachment and engine faults; the Accord's include power steering failure and stalling. Source: NHTSA owner complaints.

The picture

Is the Mercedes BENZ SLC Class or Honda Accord more reliable?

A plain-English read on what the NHTSA record says about living with each vehicle.

Mercedes BENZ SLC Class

The Mercedes-Benz SLC Class is a two-seat luxury roadster with very low reported complaint volume—8 complaints over 4 years, averaging 2.0 per year, and no recalls on record. Owner reports center on electrical glitches, engine faults, and a serious roof panel detachment, but the small sample means patterns are anecdotal. For a buyer, this suggests a niche car with potentially costly repairs when things go wrong, though the overall reported frequency is low.

Honda Accord

The Honda Accord is a mainstream family sedan with a massive complaint history: 4,524 complaints over 10 years, averaging 452.4 per year, plus 38 recalls and reports of 162 crashes, 146 injuries, and 3 deaths. Owner complaints describe engine stalling, electrical failures, and forward collision avoidance malfunctions, often at highway speeds. For a buyer, this points to a widely used vehicle with many reported safety-related issues, though the high volume also reflects its popularity.

The numbers

Side-by-side NHTSA record

Lower is better in every category. The highlighted cell is the stronger result.

CategoryMercedes BENZ SLC ClassHonda Accord
Total complaintsAll model years combined8 Better4,524
Safety recallsFederal recall campaigns0 Better38
Crash reportsCrash-related complaints0 Better162
Complaints per yearAveraged across model years2.0 Better452.4
Reported injuriesTied to owner complaints0 Better146
Reported deathsTied to owner complaints0 Better3

Source: NHTSA owner complaints & recall records.

What actually goes wrong

The problems owners report

The most-complained-about systems on each vehicle — what fails, and what owners say in their own words.

Mercedes BENZ SLC Class

  1. 01ELECTRICAL SYSTEM2
  2. 02UNKNOWN OR OTHER2
  3. 03ENGINE2
  4. 04BACK OVER PREVENTION1
  5. 05STRUCTURE1
What these mean
Electrical System

Owners report receiving recall notices for communication and electrical system issues, but parts not being available for repair. This can leave safety-related updates unresolved, meaning a buyer should verify any open recalls are completed.

Unknown or Other

One owner reported the front roof panel detaching completely at 70 mph, a severe safety risk. Another noted that steering wheel shake and blind-spot alarms are not detectable under normal driving, which could mask warnings.

Engine

A 2019 SLC owner reported check engine light, heavy exhaust smoke, and hesitation at only 42,000 miles, with a fault code P052E71. This suggests potential engine sensor or emissions problems that can cause drivability issues and near-misses.

Back Over Prevention

The backup camera failed to display randomly several times, according to one owner. This can make reversing less safe, especially in a low-slung roadster with limited rear visibility.

In owners' words — ELECTRICAL SYSTEM

“TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ SLC300. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 21V058000 (COMMUNICATION, ELECTRICAL SYSTEM) HOWEVER, THE PART TO DO THE RECALL REPAIR WAS NOT YET AVAILABLE. THE VEHICLE WAS TAKEN TO MERCEDES-BENZ…”

Honda Accord

  1. 01ENGINE1,006
  2. 02ELECTRICAL SYSTEM895
  3. 03FORWARD COLLISION AVOIDANCE837
  4. 04UNKNOWN OR OTHER746
  5. 05FUEL/PROPULSION SYSTEM602
What these mean
Engine

Owners report sudden alarms for brake, hill descent, ABS, and critical failure, followed by loss of speed. Others describe rattling noises like a diesel and rough transitions between EV and gas modes, indicating potential hybrid system or engine problems.

Electrical System

One owner reported electronic power steering and braking systems failing and locking up simultaneously at highway speeds, causing a near-collision. Another had a TPMS repair followed by a catastrophic tire failure, suggesting electrical or sensor-related safety risks.

Forward Collision Avoidance

Owners report the system failing to resolve threats, with incidents occurring under similar conditions and adaptive cruise control suddenly braking or not reacting. This can undermine driver trust in advanced safety features.

Unknown or Other

Complaints include a persistent rotten-egg sulfur odor that remained after a paid repair, and a foot slipping behind a plastic side panel. These suggest build quality or design issues that affect comfort and control.

In owners' words — ENGINE

“Vehicle drove normally in the morning commute. In the afternoon commute it started normally and as i approached highway speeds the alarms started showing up. the Brake, hill descent system, abs, critical failure. the vehicle started losing speed and could not…”

“Vehicle makes rattling noises while accelerating similar to a diesel engine also rough transitions between EV mode and Gas mode also when you press the charge button the engine makes a very noticeable jerk once it’s on ,Honda does not want to fix my issue and…”

Official recalls

Safety recalls on record

Federal recall campaigns — the defect, the risk, and the fix. Confirm any open recall was completed before you buy.

Mercedes BENZ SLC Class

No recalls on record.

Honda Accord — 38 recalls

Electrical System — Propulsion System — Hybrid Management — Power Control Unit/Module (Hpcu) — Software
#25V785000

The defect: Honda (American Honda Motor Co.) is recalling certain 2023-2025 Honda Accord Hybrid vehicles. Due to a software error, the integrated control module (ICM) central processing unit (CPU) may reset while driving, causing a loss of drive power.

The risk: A loss of drive power increases the risk of a crash or injury.

The fix: Dealers will reprogram the ICM CPU software, free of charge. Owner notification letters were mailed January 6, 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's number for this recall is TN2. Vehicle Identificati…

Tires — Temporary/Emergency Spare Tire
#26V366000Apr 2026

The defect: Honda (American Honda Motor Co.) is recalling certain 2023-2026 CR-V Hybrid, Accord Hybrid, and 2025-2026 CR-V Fuel Cell EV vehicles. When using the tire repair kit, pressure may build within the sealant bottle, causing the bottle cap to detach.

The risk: A detached bottle cap can become a projectile and strike the user or others nearby, increasing the risk of injury.

The fix: Dealers will replace the tire repair kit nozzle or sealant bottle, free of charge. Interim letters notifying owners of the safety risk were mailed July 27, 2026. Additional letters will be sent once the final remedy is available, anticipat…

Seat Belts — Rear/Other — Retractor
#21V900000

The defect: Honda (American Honda Motor Co.) is recalling certain 2021 Accord Sedan, Accord Hybrid, CR-V, Ridgeline, 2022 Insight and CR-V Hybrid vehicles. The automatic locking retractor on the second-row center seat belt assembly may deactivate improperly, which can result in an unsecured child restraint sys…

The risk: An unsecured child restraint system can increase the risk of injury during a crash.

The fix: Dealers will replace the second-row center seat belt assembly, free of charge. Owner notification letters were mailed January 14, 2022. Owners may contact Honda customer service at 1-888-234-2138.

Air Bags — Sensor — Occupant Classification — Front Passenger
#24V064000Jan 2024

The defect: Honda (American Honda Motor Co.) is recalling certain 2020-2022 Pilot, Accord, Civic sedan, HR-V, Odyssey, 2020 Civic coupe, Fit, 2021-2022 Civic hatchback, 2021 Civic Type R, Insight, 2020-2021 CR-V, CR-V Hybrid, Passport, Ridgeline, Accord Hybrid, 2020 Acura MDX, 2022 Acura MDX, 2020-2022 Acura R…

The risk: An air bag that deploys unintentionally during a crash can increase the risk of injury.

The fix: Dealers will replace the seat weight sensors, free of charge. Owner notification letters were mailed March 28, 2024. This is a phased recall. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for these recalls ar…

Buyer analysis

Mercedes BENZ SLC Class or Honda Accord: which should you buy?

The Mercedes-Benz SLC Class has far fewer complaints per year (2.0) compared to the Honda Accord (452.4), but the SLC's small sample includes a severe roof detachment and engine issues. The Accord's much larger complaint volume includes many crashes, injuries, and deaths, plus 38 recalls. In practice, the SLC may have fewer reported problems overall, but the Accord's issues are more widespread and safety-critical.

Recommendation. If you prioritize low reported complaint volume and can accept a niche roadster with potentially expensive repairs, the Mercedes-Benz SLC Class may be worth considering. If you need a mainstream sedan and can thoroughly inspect for the reported engine, electrical, and collision-avoidance issues, the Honda Accord could work—but verify all recalls are done. In either case, a pre-purchase inspection focused on the specific failure patterns is essential.

Key differences

  • The SLC has 8 complaints over 4 years with 0 recalls, while the Accord has 4,524 complaints over 10 years with 38 recalls—a massive difference in reported volume.
  • SLC owners report a roof panel detaching at speed and engine hesitation, while Accord owners report simultaneous power steering and braking failure and engine stalling at highway speeds.
  • The Accord has 162 crash-related complaints, 146 injuries, and 3 deaths; the SLC has 0 in each category, though its sample is much smaller.
  • Accord complaints frequently involve forward collision avoidance and electrical system failures, while SLC complaints are more varied and include backup camera and blind-spot warning issues.
Watch on Mercedes BENZ SLC Class
  • Check for any open recalls on the electrical system and communication module, and confirm the repair was completed with available parts.
  • Inspect the roof panel for secure fitment and test the backup camera and blind-spot monitoring system for proper function.
Watch on Honda Accord
  • Test drive at highway speeds and watch for sudden alarms, loss of power, or rough transitions between EV and gas modes.
  • Verify that all recalls—especially for fuel pump, electrical system, and air bag sensors—have been performed, and check for any lingering sulfur odor.

Before you buy

  • Obtain a full vehicle history report and confirm all open recalls are repaired before purchase.
  • Have a mechanic inspect the specific components mentioned in complaints: for the SLC, roof panel, engine sensors, and backup camera; for the Accord, hybrid system, power steering, and braking.
  • During a test drive, replicate highway conditions and check for warning lights, hesitation, or unusual noises.
  • Ask the seller for maintenance records, especially any related to engine, electrical, or safety system repairs.
  • For the Accord, verify the forward collision avoidance and adaptive cruise control function properly, as complaints describe failures.

Year by year

Which model years to avoid

Complaints per model year for both vehicles — lower is better. The spikes are the years to scrutinize.

YearMercedes BENZ SLC ClassHonda Accord
20202362
20191691
201811884
20174537
Years to scrutinize: the 2017 Mercedes BENZ SLC Class drew the most complaints (4); the 2018 Honda Accord drew the most (1,884). Inspect these model years especially closely.

Check the actual car

Comparing models is smart. Checking the VIN is essential.

Brand averages tell you the trend. A VIN check tells you what's wrong with the specific Mercedes BENZ SLC Class or Honda Accord in front of you — accident history, open recalls and title records.

Go deeper

Full reliability reports

Mercedes BENZ SLC Class vs Honda Accord — comparison facts
Comparison
Mercedes BENZ SLC Class vs Honda Accord
Mercedes BENZ SLC Class total complaints
8
Honda Accord total complaints
4,524
Mercedes BENZ SLC Class total recalls
0
Honda Accord total recalls
38
Mercedes BENZ SLC Class avg complaints/year
2.0
Honda Accord avg complaints/year
452.4
More reliable overall
Mercedes BENZ SLC Class
Mercedes BENZ SLC Class top complaint area
ELECTRICAL SYSTEM
Honda Accord top complaint area
ENGINE