Mercedes Amg A 45 4matic 177 — Wheel Fitment & Specs

By Torque, AIWheelTech vehicle & fitment specialist · 1996–present
TL;DR — The Mercedes Amg A 45 4matic 177 (1996–present) uses a 5x112 bolt pattern, 66.6 mm centre bore, M14x1.5 bolts torqued to ~140 Nm. It accepts ~7.5J–9.5J wheels at ET30–ET50.

Overview

The Mercedes-Benz A-Class is a subcompact executive car manufactured by German luxury automaker Mercedes-Benz. The fourth generation model (W177) was launched in 2018, marking the first time the A-Class was offered in the United States and Canada. This generation includes both hatchback (W177) and sedan (V177) body styles, expanding its market reach globally. It is built on a front-engine, all-wheel-drive layout with 4MATIC technology introduced since 2013.

Wheel fitment

Bolt pattern (PCD)5x112
Centre bore66.6 mm
Bolt / threadM14x1.5 (bolts)
Wheel-bolt torque140 Nm
Seat typeradius
Factory setupsquare
TPMSdirect

Aftermarket wheel sizes — read per position:

PositionWidthOffset
Front7.5J–9.5JET30–ET50

As a rule, each extra 1J of width wants roughly +8–10 ET to keep the wheel tucked. The exact offset and any spacer are confirmed by the fit-check.

Browse wheels that fit a Mercedes A Class AMG →Get them fitted (UK)

UK popularity & demand

~389,742 Mercedes A Class AMG range licensed on UK roads — top 1% of models by volume.

Based on DfT VEH0124 vehicle-parc data (2025), there are approximately 389,742 Mercedes A Class AMG range on UK roads, placing it in the top 1% of car models by volume across our fitment database. That makes its wheel fitment a high-demand size to keep in stock — one reason we track its exact spec here.

Source: DfT/DVLA licensed-vehicle statistics (VEH0124), matched to the AIWheelTech fitment database.

Engines & drivetrain

VariantEngineFuelPowerDrive
A 200 Turbo2.0L M266 petrol inline-4 turbochargedpetrol193 hpFWD
A 200 CDI2.0L OM640 diesel turbo common raildiesel140 hpFWD
A 2002.0L M266 petrol inline-4petrol115 hpFWD
A 180 CDI2.0L OM640 diesel turbo common raildiesel107 hpFWD
A 1701.7L M266 petrol inline-4petrol83 hpFWD
A 1501.5L M266 petrol inline-4petrol75 hpFWD
A 170 CDI1.7L OM668 diesel turbo common raildiesel66 hpFWD
A 160 CDI1.7L OM668 diesel turbo common raildiesel55 hpFWD

Performance

VariantPower0–62 mphTop speed
A 160 CDI55 hp101 mph
A 170 CDI66 hp109 mph
A 180 CDI107 hp135 mph
A 200 CDI140 hp8 s135 mph
A 15075 hp119 mph
A 17083 hp125 mph
A 200115 hp137 mph
A 200 Turbo193 hp8 s135 mph

Dimensions

Width1719 mm
Height1587 mm

Body styles & production

Body stylesHatchback, Sedan
Produced1996–present

Trim levels

AMG LinePremium

History & notable variants

The fourth generation A-Class was launched at the Frankfurt Motor Show in 2018 and has been praised for its modern design and advanced features. Notable variants include AMG models which offer enhanced performance characteristics. The model received a facelift (LCI) in late 2020, introducing new exterior designs and updated technology.

Reliability & owner notes