Unlikely to cause engine damage but could cause one or more glowplugs to prematurely burn out, if they really are energized. The light may simply be a signal of a problem with the system Your late-model car's computer may also set a code that you can read with a code reader to confirm the problem.

Jeremy

__________________

"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970