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Mercedes-Benz · Compact · 2018–2025

Mercedes-Benz A-Klasse W177

Weaknesses, engine ratings and buying advice

★★★★★
3.7 / 5.0 · Based on 6 engine variants
Most Fun Engine

381–421 PS

2.0L Turbo AMG Benzin

A 45 AMG — Most Powerful Four-Cylinder

Legendary!
Most Reliable Engine

109–163 PS

1.3L Turbo Benzin

5 weaknesses

Good Choice

Generations

Engine Overview

The Mercedes-Benz A-Klasse W177 is available with 12 engine variants — from 90 to 421 hp. 3 variants had engine changes — the model year is crucial.

A 180 d · Diesel· 109–116 PS Engine Change
2018 2025
Be Careful 5 weaknesses
Show all weaknesses →
2018 2025
Be Careful 5 weaknesses
Show all weaknesses →
A 200 d · Diesel· 150 PS
2018 2025
Be Careful 11 weaknesses
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A 220 d · Diesel· 190 PS
2018 2025
Be Careful 11 weaknesses
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A 160 · Benziner· 109 PS
2018 2025
Good Choice 5 weaknesses
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A 180 · Benziner· 136 PS
2018 2025
Good Choice 5 weaknesses
A 200 · Benziner· 163 PS
2018 2025
Good Choice 5 weaknesses
A 220 · Benziner· 184–190 PS Engine Change
2018 2025
Be Careful 5 weaknesses
Show all weaknesses →
2018 2025
Be Careful 5 weaknesses
Show all weaknesses →
A 250 · Benziner· 218–224 PS Engine Change
2018 2025
Be Careful 5 weaknesses
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2018 2025
Be Careful 5 weaknesses
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AMG A 35 · Benziner· 306 PS
2018 2025
Be Careful 5 weaknesses
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AMG A 45 · Benziner· 387 PS
2019 2025
Good Choice 6 weaknesses
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AMG A 45 S · Benziner· 421 PS
2019 2025
Good Choice 6 weaknesses
Show all weaknesses →
A 250 e · Benziner Plug-in-Hybrid· 218 PS
2019 2025
Good Choice 5 weaknesses
Show all weaknesses →

The Mercedes-Benz A 180 d (Diesel, 109–116 PS) comes with 2 different engines: OM608 (2018–2025, Be Careful) und OM608 (2018–2025, Be Careful). Pay attention to the model year for the A 180 d!

The Mercedes-Benz A 200 d (Diesel, 150 PS) has the OM654 (2.0L Diesel) — rated: "Be Careful", 11 known weaknesses.

The Mercedes-Benz A 220 d (Diesel, 190 PS) has the OM654 (2.0L Diesel) — rated: "Be Careful", 11 known weaknesses.

The Mercedes-Benz A 160 (Benziner, 109 PS) has the M282 (1.3L Turbo) — rated: "Good Choice", 5 known weaknesses.

The Mercedes-Benz A 180 (Benziner, 136 PS) has the M282 (1.3L Turbo) — rated: "Good Choice", 5 known weaknesses.

The Mercedes-Benz A 200 (Benziner, 163 PS) has the M282 (1.3L Turbo) — rated: "Good Choice", 5 known weaknesses.

The Mercedes-Benz A 220 (Benziner, 184–190 PS) comes with 2 different engines: M260 (2018–2025, Be Careful) und M260 (2018–2025, Be Careful). Pay attention to the model year for the A 220!

The Mercedes-Benz A 250 (Benziner, 218–224 PS) comes with 2 different engines: M260 (2018–2025, Be Careful) und M260 (2018–2025, Be Careful). Pay attention to the model year for the A 250!

The Mercedes-Benz AMG A 35 (Benziner, 306 PS) has the M260-AMG35 (2.0L Turbo) — rated: "Be Careful", 5 known weaknesses.

The Mercedes-Benz AMG A 45 (Benziner, 387 PS) has the M139 (2.0L Turbo AMG) — rated: "Good Choice", 6 known weaknesses.

The Mercedes-Benz AMG A 45 S (Benziner, 421 PS) has the M139 (2.0L Turbo AMG) — rated: "Good Choice", 6 known weaknesses.

The Mercedes-Benz A 250 e (Benziner Plug-in-Hybrid, 218 PS) has the M282 (1.3L Turbo) — rated: "Good Choice", 5 known weaknesses.

Vehicle Weaknesses

WeaknessCost
!7G/8G-DCT Judders When Pulling Away and at Low RPM

The dual clutch gearbox in the W177 exhibits juddering and rough pull-away between 1,500–2,000 RPM. At high mileages and in urban use the clutch packs wear prematurely. Software updates alleviate the problem but do not resolve it permanently.

Symptoms: Juddering when pulling away, abrupt gear changes, 1st gear occasionally drops out, engine revs high on kickdown
from 50,000 km
Ad 8G-DCT Clutch W1777G-DCT Gearbox A-Class W177Dual Clutch Gearbox A 200 220
 High
NHTSA Owner Complaints
Average
71 complaints · 2018–2025
Electrical
24 ⚠ 1
Other
20
Engine
14
Backup Camera/Sensors
9
Airbags
6 ⚠ 1

Top Reported Issues

⚠ Electrical (24 complaints)
⚠ Other (20 complaints)
⚠ Engine (14 complaints)
Source: NHTSA (nhtsa.gov) · 2026-03

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Known Problems and Issues

A total of 44 weaknesses have been documented for the Mercedes-Benz A-Klasse W177 (2018–2025) — 37 engine-related and 7 vehicle-related. Typical issues affect Gearbox, Other, Electronics, HVAC. Considered reliable: M282 (1.3L Turbo), M139 (2.0L Turbo AMG).

A-Klasse (OM608, 2018–2025) — Be Careful: Timing belt maintenance obligation, Timing belt change critical, Increased oil consumption / turbo shaft seal. Power: 109–116 PS.

A-Klasse (OM654, 2018–2025) — Be Careful: Rocker Arm and Camshaft Wear, Electric Coolant Pump Leaking — Recall, NOx Sensor Defective — AdBlue Fault and Start Inhibit. Power: 150 PS.

A-Klasse (OM654, 2018–2025) — Be Careful: Rocker Arm and Camshaft Wear, Electric Coolant Pump Leaking — Recall, NOx Sensor Defective — AdBlue Fault and Start Inhibit. Power: 190 PS.

A-Klasse (M260, 2018–2025) — Be Careful: Exhaust Valve Seat Insert Wear / Cylinder Head, Timing Chain Rattles on Cold Start, Wastegate Actuator Causes Boost Pressure Loss. Power: 184–190 PS.

A-Klasse (M260, 2018–2025) — Be Careful: Exhaust Valve Seat Insert Wear / Cylinder Head, Timing Chain Rattles on Cold Start, Wastegate Actuator Causes Boost Pressure Loss. Power: 218–224 PS.

A-Klasse (M260-AMG35, 2018–2025) — Be Careful: Cylinder Head Exhaust Valves Worn, Valve Seat Insert Wears — Cylinder Head Damage, Turbocharger Wear Under AMG Load. Power: 306 PS.

What to watch out for with the Mercedes-Benz A-Klasse? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the Mercedes-Benz A-Klasse W177 have? +
The Mercedes-Benz A-Klasse W177 has 37 known engine weaknesses and 7 vehicle weaknesses.
What should I look for when buying a used Mercedes-Benz A-Klasse W177? +
faq.watch_a_solid
Which engine is recommended? +
Good choice: M282 (1.3L Turbo), M139 (2.0L Turbo AMG). The most reliable engine is the M282 (1.3L Turbo) with the lowest risk score. The most fun to drive is the M139 (2.0L Turbo AMG).
Which Mercedes-Benz A-Klasse W177 engine is the most reliable? +
The {code} ({displacement}) is the most reliable engine in the Mercedes-Benz A-Klasse W177. It has the lowest risk score of all available engines and is rated "Good Choice". However, there are 5 known weaknesses to be aware of.
Which Mercedes-Benz A-Klasse W177 engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Mercedes-Benz A-Klasse W177 — rated: "Legendary!". {description} 285 kW from a four-cylinder — unmatched worldwide at the time. The W177 AMG 45 is even sharper than the W176 and continues the legend.
Is the Mercedes-Benz A-Klasse W177 worth buying used? +
The Mercedes-Benz A-Klasse W177 is a good choice as a used car — 2 of 6 engine variants are rated 'Good Choice'.
What horsepower variants are available for the Mercedes-Benz A-Klasse W177? +
The Mercedes-Benz A-Klasse W177 is available with engine variants from 90 to 421 hp. Petrol: M282 (1.3L Turbo), M260 (2.0L Turbo), M260-AMG35 (2.0L Turbo), M139 (2.0L Turbo AMG). Diesel: OM608 (1.5L Diesel), OM654 (2.0L Diesel).

Last updated: February 2026 · All information without guarantee