#!/usr/bin/perl

use strict;
use warnings;

my $file = '/path/to/file';
open my $fh,"<",$file or die $!;
local $/ = "\nAA";
while(my $entry = <$fh>){
    my @lines = split /\n/,$entry;
    if($lines[0] =~ /Mercedes/){
        print $_,"\n" for  @lines[3,4];
    }
}
close $fh;