Underfloor Preservation - Ah97.20-P-2000-01A

WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.

Model 124, 126, 129, 140, 156, 163, 164.1/8, 166, 168, 169, 170, 171, 172, 197, 201, 202, 203, 204, 205, 207, 208, 209, 210, 211, 212, 213, 215, 216, 217, 218, 219, 220, 221, 230, 231.457/473, 240, 245.2 (except 245.286), 251, 253, 257, 292, 297, 414, 461, 463, 638, 671, 900, 901, 902, 903, 904, 905, 906, 907, 909, 910

Model 415, 420, 447, 448, 470, 471, 636, 639

Model 450.3/4, 451.3/4, 452.3/4, 453, 454.0

Repair damage on permanent underfloor protection as well as paint damage on lower door edges, wheel arch lips and entrances.

Apply preservation agent to underbody in area repaired following accident. Body shells must have preservation agent applied to their underfloors when the vehicle is fully assembled.

The vehicle underside must be cleaned before waxing. Spray the preservation wax on the dry underfloor.

Damage and elaborate cleaning work should be avoided.

Therefore do not spray the following parts with wax, but mask them if possible:

Brake linings and brake disks
Exhaust pipes, center mufflers and rear mufflers
Propeller shafts