Mercedes-Benz 2013 GLS Class - Manual (Page 402)

Technical data
All vehicles (except AMG vehicles)
"Minispare" emergency spare wheel
Tyres Light-alloy wheel
T 155/70 R17 110 M 6, 7
Tyre pressure: 420 kPa (4.2 bar/61 psi)
4.0 B x 17 H2 ET 34 6, 7
T 155/60 R18 107 M
Tyre pressure: 420 kPa (4.2 bar/61 psi) 4.5 B x 18 H2 ET 36
AMG vehicles
Collapsible emergency spare wheel
Tyres Light-alloy wheels
175/50- 19 97 P
Tyre pressure: 350 kPa (3.5 bar/51 psi) 6.5 B x 19 H2 ET 14
6 Not in conjunction with Sports package code 950.
7 Not for CLS 500 and CLS 500 4MATIC.
400
Emergency spare wheel
Wheels and tyres