Which is better, the 2015 Acura TLX or the 2015 Mercedes-Benz C-Class?

Both score 5/10. 2015 Acura TLX: Great bones, brutal transmission — this is the used luxury car you buy only if you find one with documented trans work already done. 2015 Mercedes-Benz C-Class: Gorgeous, quiet, and surprisingly fun for a 'baby S-Class' — but check the rear subframe before you check anything else, because that's the one that c

Which has fewer problems, the 2015 Acura TLX or the 2015 Mercedes-Benz C-Class?

2015 Acura TLX has 6 documented failure points and 340 NHTSA complaints; 2015 Mercedes-Benz C-Class has 6 and 439.

2015 Acura TLX vs 2015 Mercedes-Benz C-Class

Two luxury sedans, compared on what actually matters when you're buying used: what breaks, when it breaks, and what it costs you.

2015 Acura
TLX

5/10

Great bones, brutal transmission — this is the used luxury car you buy only if you find one with documented trans work already done.

2015 Mercedes-Benz
C-Class

5/10

Gorgeous, quiet, and surprisingly fun for a 'baby S-Class' — but check the rear subframe before you check anything else, because that's the one that can kill you, not just your wallet.

Dead heat: both score 5/10. The tiebreaker is which specific car you find.

By the numbers

Green is the better number — higher on every score, lower on failures, complaints and recalls.

	Acura TLX	Mercedes-Benz C-Class
Known failure points	6	6
NHTSA complaints	340	439
Safety recalls	6	0
Service bulletins	12	12
Reliability	52	58
Cheap to own	48	42
Fun factor	58	72
Holds value	40	38
Enthusiast cred	35	48

The most expensive thing that goes wrong

2015 Acura TLX

9-speed automatic transmission harsh shifts, hesitation, drops to neutral (wire harness/TCM issue, recall-covered)

$0–$4,5000k–15k mi

2015 Mercedes-Benz C-Class

Rear subframe corrosion (especially rust-belt/salt-road cars) — this is the big one, structurally significant

$1,500–$5,50050k–100k mi

If you buy one, buy this one

✅ 2015 Acura TLX

2015 TLX V6 SH-AWD Advance package — get one with documented transmission software updates/TCM recall completed and full service records; it's the best-driving and best-equipped version of this generation.

✅ 2015 Mercedes-Benz C-Class

A 2015 C400 4MATIC with steel Sport suspension (no AIRMATIC/air suspension), Premium and Multimedia packages, and — critically — full documentation the rear subframe has been inspected or already treated for corrosion.

Narrowed it down? Get the full report

This comparison is model-level. Milo's report goes car-level — the one you're actually looking at:

A line-by-line negotiation script
The pre-purchase inspection checklist
VIN-specific open recalls
What it's really worth right now
Your next 15,000 miles, forecast
Hidden features & money-savers

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Scores and findings blend documented NHTSA recalls and complaints with patterns synthesized from owner communities. Always inspect the specific vehicle and verify open recalls by VIN before buying.

2015 Acura TLX problems · 2015 Mercedes-Benz C-Class problems · All vehicles