Mercedes A Class Br177 — Wheel Fitment & Specs

By Torque, AIWheelTech vehicle & fitment specialist · 1996–present
TL;DR — The Mercedes A Class Br177 (1996–present) uses a 5x112 bolt pattern, 66.6 mm centre bore, M14x1.5 bolts torqued to ~125 Nm. It accepts ~6.5J–8.5J wheels at ET35–ET50.

Overview

The Mercedes-Benz A-Class W177 is a subcompact executive car manufactured by Mercedes-Benz since 2018. It marks the brand's entry-level vehicle and was introduced as both a five-door hatchback (W177) and sedan (V177), making it the first time the A-Class has been offered in these body styles. The fourth generation model is notable for its market expansion into the United States and Canada, representing a significant shift from previous generations which were primarily sold in Europe. This generation features advanced technology and improved dimensions compared to earlier models.

Wheel fitment

Bolt pattern (PCD)5x112
Centre bore66.6 mm
Bolt / threadM14x1.5 (bolts)
Wheel-bolt torque125 Nm
Seat typeradius
Factory setupsquare
TPMSdirect

Aftermarket wheel sizes — read per position:

PositionWidthOffset
Front6.5J–8.5JET35–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 →Get them fitted (UK)

UK popularity & demand

~389,742 Mercedes A Class 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 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 turbochargedpetrol150 hpFWD
A 2002.0L M266 petrol inline-4petrol115 hpFWD
A 200 CDI2.0L OM640 diesel turbodiesel90 hpFWD
A 1701.7L M266 petrol inline-4petrol90 hpFWD
A 180 CDI2.0L OM640 diesel turbodiesel75 hpFWD
A 1501.5L M266 petrol inline-4petrol75 hpFWD
A 170 CDI1.7L OM668 diesel turbodiesel66 hpFWD
A 160 CDI1.7L OM668 diesel turbodiesel55 hpFWD

Performance

VariantPower0–62 mphTop speed
A 160 CDI55 hp101 mph
A 170 CDI66 hp109 mph
A 180 CDI75 hp113 mph
A 200 CDI90 hp8.5 s137 mph
A 15075 hp118 mph
A 17090 hp123 mph
A 200115 hp8.7 s139 mph
A 200 Turbo150 hp7.8 s139 mph

Dimensions

Width1719 mm
Height1587 mm

Body styles & production

Body stylesHatchback, Sedan
Produced1996–present

Trim levels

AMG LinePremiumSport

History & notable variants

The W177 generation of the A-Class was launched at the Frankfurt Motor Show in 2018, marking a new era for Mercedes-Benz's entry-level offering. It is designed to compete with premium compact cars while providing luxury and technological advancements. Notable features include an updated platform, enhanced safety systems, and improved fuel efficiency. The sedan variant (V177) was introduced alongside the hatchback in 2018, expanding its appeal.

Reliability & owner notes