What SSR Means on Continental SportContact 5 Runflat Tyres for Mercedes

July 31, 2026

What SSR Means on Continental SportContact 5 Runflat Tyres for Mercedes

Quick answer

On Continental tyres, SSR means Self Supporting Runflat. In this Mercedes C250 case at Autosport Tyre World Magill, the tyre fitted was Continental ContiSportContact 5 MOE SSR Runflat in 225/40R19 front and 255/35R19 rear sizes.

SSR is important because a runflat tyre is built differently from a standard tyre. It uses a reinforced sidewall to support the vehicle for limited emergency driving after pressure loss, provided the car is compatible and tyre pressure warnings are working.

Why SSR matters on a Mercedes C250

Many Mercedes models came with or can be equipped with runflat tyres. Before changing tyre type, a tyre shop should check:

current tyre sidewall markings
tyre placard
wheel size
front and rear tyre sizes
TPMS or pressure warning system
suspension and alignment condition
customer ride comfort expectations

Tyres used in this Magill fitment

The tyre size combination in this job was a staggered setup: 225/40R19 front and 255/35R19 rear. That is why the front and rear product links are different.

SSR versus ordinary tyres

A non-runflat tyre may feel different and may not match the original vehicle setup. Some drivers prefer the ride of non-runflats, but changing away from runflats should be discussed properly. The spare-wheel situation, emergency mobility kit, insurance expectations and vehicle warnings all need thought.

FAQ

Does SSR always mean runflat?

For Continental passenger tyres, SSR refers to Self Supporting Runflat.

Is MOE the same as SSR?

No. MOE is a Mercedes extended mobility marking. SSR describes Continental's self-supporting runflat construction.

Should runflats be fitted in pairs?

It is usually best to keep the same construction and comparable tread across the axle.

Visit Autosport Tyre World / TYREPLUS in Adelaide

For Mercedes C-Class tyres, Continental SSR runflat checks and wheel alignment Adelaide service, contact our team across Magill, Clarence Gardens and Wingfield.