The former Manchester City boss, who managed Ivory Coast at the 2010 World Cup, said the lack of pressure on England in Russian Federation is helping Gareth Southgate's side.
'It'll be the most hard game they'll have played so far.
"In particular, members of the Swedish delegation displayed unauthorised commercial branding on playing equipment items during the 2018 FIFA World Cup round of 16 match between Sweden and Switzerland".
Sweden's success at this year's tournament, which saw them eliminate the Netherlands and Italy in qualifying, as well as finish top of a group containing holders Germany in Russian Federation, has been built on defensive organisation and clinical counter-attacks.
The teams play tomorrow at Samara, Russia.
"Their strikers are defenders when it's time to defend, and they can defend in their own box as well".
Sweden have scored twice from set plays, while England have scored three, the most at the tournament.
They have kept three clean sheets in four outings in Russian Federation but captain Andreas Granqvist will have his work cut out against Harry Kane, the leading scorer in the competition with six goals.
"Now the press are saying it's the best World Cup ever".
"I think the chance is very big", said Eriksson. Switzerland could have played for a week and still not scored against Sweden. I am quite sure about that. "You can't identify one single factor, you need to look at the overall picture", the Sweden coach said.
He said: "I think it's a bit disrespectful of them to be confident because their record in this tournament is better than ours, they've played better teams than us and our record against them is really, really poor". Again upsetting the odds, Sweden edged out Italy 1-0 over the two-legged play-off to secure their place in Russian Federation.
Eriksson was England boss between 2001 and 2006 but will be supporting Sweden on Saturday.
"Who is going to win the game?" There is very little to choose between the two countries historically and another tight game is expected in Samara on Saturday.