2009 Mercedes SLK-Class Owner's Manual - Page 328

Practical hints Flat tire Inflating the collapsible tire G Warning! Inflate collapsible tire only after the wheel is properly attached. Inflate the collapsible tire using the electric air pump before lowering the vehicle. G Warning! Observe safety instructions on air pump label. ! Do not lower the vehicle before inflating the collapsible tire. Otherwise the rim may be damaged. Your vehicle may be equipped with either of two versions of the electric air pump: RVersion 1: The air hose with pressure gauge and the electrical plug are located behind a flap. RVersion 2: The pressure gauge is located in the pump housing. The air hose and electrical plug are located at the bottom of the pump housing. The following description applies to both versions. Differences in usage are expressly declared. Version 1 1 Flap 2 Air pump switch 3 Electrical plug 4 Air hose with pressure gauge and vent Version 2 2 Air pump switch 3 Electrical plug 4 Pressure gauge 5 Union nut 6 Deflate button X X X screw 5 Union nut Version 1 only: Open flap 1 on electric air pump. Version 1 only: Pull out electrical plug 3 and air hose with pressure gauge 4. Version 2 only: Pull electrical plug 3 and the air hose out of the pump housing bottom. Version 1 only: Close vent screw on air hose 4. X 326