Rotate your device to portrait

Kleido is designed for portrait use.

Mercedes 300TD 1977-1985 Key Codes

The Mercedes 300TD 1977-1985 uses key code series HU, with 8,520 documented codes spanning the range HU6001-HU8130, HY6001-HY8130, NU6001-NU8130, NY6001-NY8130. Uses a 10-cut double-sided profile. Set the duplicator to flat-bottom cuts 0.1″ wide. Code is typically stamped on the original key bow or available via the VIN through the dealer. Bitting data verified as of May 22, 2026.

Code prefix
HU
Code range
HU6001-HU8130, HY6001-HY8130, NU6001-NU8130, NY6001-NY8130
Years
1977-1985
Total codes
8,520
Cuts per key
10
Last verified

Common questions

What key code series does the Mercedes 300TD 1977-1985 use?
The Mercedes 300TD 1977-1985 uses key code series HU, with 8,520 documented codes ranging from HU6001-HU8130, HY6001-HY8130, NU6001-NU8130, NY6001-NY8130.
How many cuts does a Mercedes 300TD 1977-1985 key have?
10 cuts on a double-sided profile. Each cut position has a depth value documented in the bitting code, which determines the key cutting pattern.
When was the Mercedes 300TD 1977-1985 key data last verified?
Bitting data for the Mercedes 300TD 1977-1985 was last verified May 22, 2026. Verification timestamps are tracked per series, and updates appear here as locksmiths confirm code accuracy in the field.

Get the full code list — $9.99/mo, 3-day free trial. Sign in to view bittings, depths, and Lishi cut maps for this series.

View pricing