Hi, Pete.

These cars are workhorses and are used and abused all over Europe; I wouldn't hesitate to tow anything with my 1994 E320T (which is actually the S124 chassis) as long as it doesn't exceed the vehicle's various ratings. I had actually installed a hitch on my first one, but unfortunately wrecked the car before I was able to tow anything. I removed the hitch from the wreck and intend to install it on the replacement when I get around to it.

Check out this forum thread for the discussion:
http://www.peachparts.com/shopforum/tech-help/271105-124-wagon-trailer-hitch.html

I see from the manufacturer's website that the specific model I bought is no longer available, but they've replaced it with #118061 (1-7/8" ball) and #118062 (2" ball), each of which include the ball insert; here's the link: https://www.curtmfg.com/part/118061

Good luck, and let me know how you make out.

Best Regards,
Rob

__________________
Robert Fini

'12 ML350 BlueTec, 111k
'06 E320CDI (x2)
'05 T1N Sprinter 2500/Pleasure-Way Plateau TS, 72k
'97 C36AMG, 325k (son's)
'94 E320T, 249k
'93 190E Sportline LE, 168k (daughter's)
'84 190E-2.3/5spd (Stage Rally Racer)
'66 230 W110 Sedan (Barn Find, Vintage Racer build in progress)