Mercedes C Class wheel fitment — C205 Phev R2CW

By Torque, AIWheelTech vehicle & fitment specialist · 2018–2020

Mercedes C Class wheel fitment in one line: The Mercedes C205 Phev R2CW (2018–2020) uses a 5x112 bolt pattern, 66.6 mm centre bore, M14x1.5 bolts. It accepts ~7J–8.5J wheels at ET27–ET45 front; staggered setups run 8J–9.5J rear (ET35–ET58).

Overview

The Mercedes-Benz C-Class is a series of compact executive cars produced by Mercedes-Benz Group AG. Introduced in 1993 as a replacement for the 190 (W201) range, the C-Class was the smallest model in the marque's line-up until the W168 A-Class arrived in 1997. The C-Class has been available with a '4MATIC' four-wheel drive option since 2002. The third generation (W204) was launched in 2007 while the current W206 generation was launched in 2021.

History & notable variants

The upcoming W520 C-Class was unveiled on April 20, 2026, with sales starting in early 2027. The series has undergone several generations since its introduction, each bringing new design cues and technological advancements from the previous models. Notable developments include the launch of a fastback coupé variant (SportCoupé) which was later renamed to Mercedes-Benz CLC-Class.

Mercedes C Class wheel fitment

Everything below is what the fit-check uses for Mercedes C Class wheel fitment: the factory bolt spec first, then the width and offset window that clears the arches and the brakes on the Mercedes C205 Phev R2CW.

Aftermarket wheel sizes — read per position:

Width and offset move together: roughly 8 to 10 ET more for every extra 1J keeps the wheel inside the arch. Final offset and any spacer come from the fit-check.

Engines & drivetrain

Source: Mercedes-Benz C-Class (W205), en.wikipedia.org.

UK popularity & demand

Based on DfT VEH0124 vehicle-parc data (2025), there are approximately 340,482 Mercedes C Class on UK roads, placing it in the top 1% of car models by volume across our fitment database.

With that many on the road, Mercedes C Class wheel fitment is a spec fitters see constantly. We keep it current for that reason.

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

Dimensions

Source: Mercedes-Benz C-Class (W205), en.wikipedia.org; EU type-approval data (EEA).

Body styles & production

Factory colours

Trim levels

Reliability & owner notes

• Pros: Stylish design, advanced technology integration, robust build quality
• Cons: Higher price point compared to competitors, limited rear passenger space in sedan variant
• Common issues: None specified for this generation