Technical Modifications: Passenger Cars: Electrical System Body - BT82.00-Z-9999AZ
Model All
| Location of fog lamps and high beams reversed in headlamp unit | MODEL 202 Sedan | BT82.10-P-0001-01A | |
| Modified circuit of daytime driving light | MODEL 202 with CODE (236a) Special light circuit for daytime running lamps | BT82.10-P-9401-01A | |
| Modified lamp unit | MODEL 140 Sedan | BT82.10-P-9403-01Z | |
| Control of passenger compartment lighting modified | MODEL 202 | BT82.20-P-0001-01A | |
| Rear dome lamp changed | MODELS 163.113/128/136/154/172/174/175 except CODE (220a) Parktronic System (PTS) |
BT82.20-P-0001-03GH | |
| Fastening for additional turn signal lamp modified | MODEL 209 | BT82.25-P-0100-01Q | |
| MB radio | MODEL 202 as of 1.9.93 | BT82.60-P-9309-01A | |
| MB radio | MODEL all | BT82.60-P-9309-01B | |
| MB radio | MODEL 129 as of 1.2.91 | BT82.60-P-9309-01C | |
| Amplifier (left/right speakers) control module | MODEL 202 as of 1.7.95 with CODE (810) Sound system | BT82.62-P-0002-01A | |
| Rear speakers | MODEL 202... | BT82.62-P-0003-01A | |
| New control module of left/right loudspeaker amplifier | MODEL 202 as of 1.9.93 with CODE (810) Sound system | BT82.62-P-9309-01A | |
| CD player with changer in compact design | MODEL 202, 210 as of 1.9.95 with CODE (819) 6-disk CD changer in trunk | BT82.64-P-0001-01A | |
| Adapter (interface) at CD changer discontinued | MODEL 202 as of 1.9.93 with CODE (819) 6-disk CD changer in trunk | BT82.64-P-9309-01A | |
| Modified attachment of microphone | MODEL all with CODE (274) Telephone MB Network D | BT82.70-P-9308-01A | |
| Modified transmitter-receiver unit | MODEL all with CODE (274) Telephone MB Network D | BT82.70-P-9403-01A | |
| Modified bracket for transmitter-receiver unit | MODEL all with CODE (274) Telephone MB Network D | BT82.70-P-9403-02A | |
| Modified telephone handset | MODEL all with CODE (274) Telephone MB Network D | BT82.70-P-9403-03A |