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Acura vs Mercedes Reliability

In our inspections, Acura’s average condition stays above the “decent” threshold to around 115k miles, versus 92k for Mercedes.

Based on 89 Acuras and 278 Mercedes vehicles. “Decent” means a condition score of 55/100.

vs
Head to head
AcuraMercedes
Cars inspected89278
Average condition59/10062/100
In good shape (60+/100)52%56%
Holds up to (avg dips below decent)~115k mi~92k mi
Repainted or replaced panel80%77%
Structural repair found6%1%
Fault codes recently cleared31%20%

Green = the better number of the pair. Condition reflects the mix of cars that came to us — age, price, model — so treat small gaps as a tie.

How they score
Acura
Excellent 28% Good 24% Mediocre 22% Poor 26%
Mercedes
Excellent 27% Good 29% Mediocre 24% Poor 20%
How long do they stay good?
Good cars by mileage
▬ Acura▬ Mercedes▬ all cars
0 25 50 75 100 Acura, 20–40k mi: 100%, drawn from the nearby bands (14 cars in this band)Acura, 40–60k mi: 82%, drawn from the nearby bands (6 cars in this band)Acura, 60–80k mi: 67%, drawn from the nearby bands (10 cars in this band)Acura, 80–100k mi: 56%, drawn from the nearby bands (9 cars in this band)Acura, 100–120k mi: 40%, drawn from the nearby bands (7 cars in this band)Acura, 120–140k mi: 33% in good shape (21 cars)Acura, 160–180k mi: 27%, drawn from the nearby bands (11 cars in this band) Mercedes, 0–20k mi: 90% in good shape (29 cars)Mercedes, 20–40k mi: 78% in good shape (50 cars)Mercedes, 40–60k mi: 71% in good shape (49 cars)Mercedes, 60–80k mi: 53% in good shape (45 cars)Mercedes, 80–100k mi: 46% in good shape (37 cars)Mercedes, 100–120k mi: 13% in good shape (23 cars)Mercedes, 120–140k mi: 11%, drawn from the nearby bands (17 cars in this band)Mercedes, 140–160k mi: 9%, drawn from the nearby bands (8 cars in this band)Mercedes, 160–180k mi: 8%, drawn from the nearby bands (6 cars in this band) 40k 80k 120k 160k 200k mileage when we inspected it
Good cars by age
▬ Acura▬ Mercedes▬ all cars
0 25 50 75 100 Acura, 2 years old: 94%, drawn from the nearby bands (8 cars this age)Acura, 4 years old: 77%, drawn from the nearby bands (6 cars this age)Acura, 7 years old: 66%, drawn from the nearby bands (6 cars this age)Acura, 9 years old: 53%, drawn from the nearby bands (6 cars this age)Acura, 10 years old: 54%, drawn from the nearby bands (7 cars this age)Acura, 12 years old: 30%, drawn from the nearby bands (7 cars this age) Mercedes, 1 years old: 94%, drawn from the nearby bands (12 cars this age)Mercedes, 2 years old: 92%, drawn from the nearby bands (17 cars this age)Mercedes, 3 years old: 88% in good shape (25 cars)Mercedes, 4 years old: 80% in good shape (25 cars)Mercedes, 5 years old: 68% in good shape (28 cars)Mercedes, 6 years old: 61% in good shape (23 cars)Mercedes, 7 years old: 59% in good shape (22 cars)Mercedes, 8 years old: 51%, drawn from the nearby bands (19 cars this age)Mercedes, 9 years old: 39%, drawn from the nearby bands (19 cars this age)Mercedes, 10 years old: 39%, drawn from the nearby bands (11 cars this age)Mercedes, 11 years old: 31%, drawn from the nearby bands (11 cars this age)Mercedes, 12 years old: 24%, drawn from the nearby bands (14 cars this age)Mercedes, 13 years old: 18%, drawn from the nearby bands (12 cars this age)Mercedes, 14 years old: 19%, drawn from the nearby bands (10 cars this age)Mercedes, 16 years old: 29%, drawn from the nearby bands (5 cars this age) 2y 4y 6y 8y 10y 12y 14y 16y vehicle age when we inspected it

Share in good shape (scoring 60+/100) by mileage and by age when we inspected them (each dot ≥5 cars; a band under 20 cars follows the nearby bands, so a run above the all-cars line stays above it, and a band of 20 or more uses the rate we measured; where a band has too few cars, the line follows the trend between the bands on either side; rolled-back odometers excluded from the mileage curve). Dashed grey = all cars we check.

Most common faults
Acura
Oil leaks · Engine
56%
Fuel trim out of range · Engine
51%
Tires condition & wear · Brakes and tires
46%
Active error codes · Electronic equipment
28%
Fluid leaks · Steering (hydraulic power)
22%
Mercedes
Oil leaks · Engine
64%
Active error codes · Electronic equipment
49%
Tires condition & wear · Brakes and tires
39%
Fuel trim out of range · Engine
36%
Electronic components issues · Engine
19%
Trajectory by generation
Acura

Not enough Acuras at the 5–10 year checkpoint yet to draw a generation trend.

Mercedes ▲ Newer Mercedes vehicles are holding up better 40% 60% 80% 2012–14: 43% in good shape (age-adjusted; 32 cars, raw 44%) 43 2015–17: 56% in good shape (age-adjusted; 44 cars, raw 57%) 56 2018–20: 61% in good shape (age-adjusted; 34 cars, raw 68%) 61 2009–11 2012–14 2015–17 2018–20 2021+

Share in good shape when inspected at the same age (5–10 years, age-adjusted), by model-year generation; dashed = all-brand average. All brands →

FAQ
?
Which is more reliable, Acura or Mercedes?
In our inspections, Acura’s average condition stays above the “decent” threshold to around 115k miles, versus 92k for Mercedes.
?
What are the most common problems with used Acuras and Mercedes vehicles?
On Acuras we flag oil leaks (56%), fuel trim out of range (51%), tires condition & wear (46%). On Mercedes vehicles: oil leaks (64%), active error codes (49%), tires condition & wear (39%).
?
How many Acura and Mercedes vehicles have you inspected?
89 Acuras and 278 Mercedes vehicles — 367 real pre-purchase inspections. Updated Nov 11, 2026.
?
How long do Acura and Mercedes stay in decent condition?
In our data, decent is a 55/100 score. The average Acura dips below it around 115k mi; Mercedes around 92k mi. Individual cars vary — get the one you’re buying inspected.
Buying a used Acura or Mercedes? Get a pre-purchase inspection before you pay.
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Based on 367 inspections · updated Nov 11, 2026