DIY · Source reviewR129 SLMercedes R129 Wiechers strut brace fitmentlynns reported better steering after adding a Wiechers brace, but his M113 installation needed airbox-clearance adjustment. Other owners reported different contact and fitment, so the account preserves individual vehicles and subjective results.Mercedes-BenzSLR129Topics in the accountStrut-brace fitmentmbworld · lynns